<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019c8aa5-7404-77fa-9979-f709008edb40,g:cacbe6c4-69e8-4c60-b18b-fe5109f286e9-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="https://xbrl.org/2023/arcrole/summation-item" xlink:type="simple" xlink:href="https://www.xbrl.org/2023/calculation-1.1.xsd#summation-item"/>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMSTATEMENTSOFOPERATIONSUNAUDITED" xlink:type="simple" xlink:href="gtx-20260331.xsd#CONSOLIDATEDINTERIMSTATEMENTSOFOPERATIONSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMSTATEMENTSOFOPERATIONSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-707c-8986-a987efb6db2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019c8aa5-765d-75aa-8fec-421c3e7db705" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-707c-8986-a987efb6db2d" xlink:to="loc_us-gaap_GrossProfit_019c8aa5-765d-75aa-8fec-421c3e7db705" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019c8aa5-765d-7760-8006-1f8b7559b7df" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-707c-8986-a987efb6db2d" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019c8aa5-765d-7760-8006-1f8b7559b7df" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_019c8aa5-765d-7673-9639-aa3278cc5268" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-707c-8986-a987efb6db2d" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_019c8aa5-765d-7673-9639-aa3278cc5268" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_019c8aa5-765d-750c-b10d-108c78db90cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-707c-8986-a987efb6db2d" xlink:to="loc_us-gaap_InterestExpenseOperating_019c8aa5-765d-750c-b10d-108c78db90cc" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019c8aa5-765d-7b98-9d59-e4730c66253b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-707c-8986-a987efb6db2d" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019c8aa5-765d-7b98-9d59-e4730c66253b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c8aa5-765d-70f8-864c-e674823f5563" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-7e33-967b-62e4e9f46249" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-765d-70f8-864c-e674823f5563" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_019c8aa5-765d-7e33-967b-62e4e9f46249" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c8aa5-765d-7c93-a8cf-f6d37144870d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-765d-70f8-864c-e674823f5563" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019c8aa5-765d-7c93-a8cf-f6d37144870d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GrossProfit_019c8aa5-765d-71cf-98ce-74064191beb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GrossProfit"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019c8aa5-765d-7753-b6d8-29384c5d2db1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019c8aa5-765d-71cf-98ce-74064191beb3" xlink:to="loc_us-gaap_Revenues_019c8aa5-765d-7753-b6d8-29384c5d2db1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019c8aa5-765d-73dd-a377-fef97362d5f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_GrossProfit_019c8aa5-765d-71cf-98ce-74064191beb3" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019c8aa5-765d-73dd-a377-fef97362d5f4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED" xlink:type="simple" xlink:href="gtx-20260331.xsd#CONSOLIDATEDINTERIMSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMSTATEMENTSOFCOMPREHENSIVEINCOMEUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c8aa5-765d-74c5-ac47-9b1530b20700" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c8aa5-765d-7297-8371-452d6302f6ba" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c8aa5-765d-74c5-ac47-9b1530b20700" xlink:to="loc_us-gaap_NetIncomeLoss_019c8aa5-765d-7297-8371-452d6302f6ba" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-73f1-b089-a3ea2b028d3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_019c8aa5-765d-74c5-ac47-9b1530b20700" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-73f1-b089-a3ea2b028d3e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-7613-95c4-f47bfc0489f7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationNetOfTax_019c8aa5-765d-7c37-8a70-1f93fe97810d" xlink:href="gtx-20260331.xsd#gtx_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-7613-95c4-f47bfc0489f7" xlink:to="loc_gtx_OtherComprehensiveIncomeLossNetInvestmentHedgeGainLossAfterReclassificationNetOfTax_019c8aa5-765d-7c37-8a70-1f93fe97810d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019c8aa5-765d-75f0-a598-87adf532fe67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-7613-95c4-f47bfc0489f7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_019c8aa5-765d-75f0-a598-87adf532fe67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019c8aa5-765d-7ae9-888f-74063e994cab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-7613-95c4-f47bfc0489f7" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_019c8aa5-765d-7ae9-888f-74063e994cab" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMBALANCESHEETSUNAUDITED" xlink:type="simple" xlink:href="gtx-20260331.xsd#CONSOLIDATEDINTERIMBALANCESHEETSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMBALANCESHEETSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-74e0-bf1e-d4488a164ec3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-74e0-bf1e-d4488a164ec3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019c8aa5-765d-7639-8d00-ee63c8d9d3e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:to="loc_us-gaap_AssetsCurrent_019c8aa5-765d-7639-8d00-ee63c8d9d3e4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_019c8aa5-765d-79ad-940b-51ded82a82e0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_019c8aa5-765d-79ad-940b-51ded82a82e0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_019c8aa5-765d-7229-8044-0d48a59bfe61" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:to="loc_us-gaap_Goodwill_019c8aa5-765d-7229-8044-0d48a59bfe61" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c8aa5-765d-7a68-9e27-98cc85e578fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_019c8aa5-765d-7a68-9e27-98cc85e578fb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermInvestmentsAndReceivablesNet_019c8aa5-765d-7cc5-bfce-56b8ec767c2c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermInvestmentsAndReceivablesNet"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_019c8aa5-765d-7238-b9a8-4af0d99e1dfc" xlink:to="loc_us-gaap_LongTermInvestmentsAndReceivablesNet_019c8aa5-765d-7cc5-bfce-56b8ec767c2c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c8aa5-765d-7b7b-b4f9-c68bdd05b31e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019c8aa5-765d-7892-bf48-83a00221fc7e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c8aa5-765d-7b7b-b4f9-c68bdd05b31e" xlink:to="loc_us-gaap_Liabilities_019c8aa5-765d-7892-bf48-83a00221fc7e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_019c8aa5-765d-7e59-8b71-bc46890b75c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c8aa5-765d-7b7b-b4f9-c68bdd05b31e" xlink:to="loc_us-gaap_CommitmentsAndContingencies_019c8aa5-765d-7e59-8b71-bc46890b75c9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019c8aa5-765d-732c-819d-07acf75258d1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_019c8aa5-765d-7b7b-b4f9-c68bdd05b31e" xlink:to="loc_us-gaap_StockholdersEquity_019c8aa5-765d-732c-819d-07acf75258d1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_019c8aa5-765d-76d7-822a-ef5499a5c9e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_019c8aa5-765d-7f03-b744-72a1f6f9bc1f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c8aa5-765d-76d7-822a-ef5499a5c9e1" xlink:to="loc_us-gaap_CommonStockValue_019c8aa5-765d-7f03-b744-72a1f6f9bc1f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_019c8aa5-765d-7874-8f21-757df7913d0c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c8aa5-765d-76d7-822a-ef5499a5c9e1" xlink:to="loc_us-gaap_AdditionalPaidInCapital_019c8aa5-765d-7874-8f21-757df7913d0c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-730c-beda-d8f8c1680e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c8aa5-765d-76d7-822a-ef5499a5c9e1" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_019c8aa5-765d-730c-beda-d8f8c1680e7d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_019c8aa5-765d-725d-9e4e-9d54a1916d67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c8aa5-765d-76d7-822a-ef5499a5c9e1" xlink:to="loc_us-gaap_TreasuryStockCommonValue_019c8aa5-765d-725d-9e4e-9d54a1916d67" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019c8aa5-765d-79d4-a49e-14f6221fd78e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_StockholdersEquity_019c8aa5-765d-76d7-822a-ef5499a5c9e1" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_019c8aa5-765d-79d4-a49e-14f6221fd78e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c8aa5-765d-741f-90b7-06d70dce0d42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-73f8-8ae4-f12b3cb7450f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c8aa5-765d-741f-90b7-06d70dce0d42" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-73f8-8ae4-f12b3cb7450f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_019c8aa5-765d-7e65-8ee8-1e9949408360" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c8aa5-765d-741f-90b7-06d70dce0d42" xlink:to="loc_us-gaap_AccountsPayableCurrent_019c8aa5-765d-7e65-8ee8-1e9949408360" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_019c8aa5-765d-7315-a941-b009b8d4b791" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_019c8aa5-765d-741f-90b7-06d70dce0d42" xlink:to="loc_us-gaap_LongTermDebtCurrent_019c8aa5-765d-7315-a941-b009b8d4b791" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_019c8aa5-765d-7051-92a8-eaf30786adb4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Liabilities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_019c8aa5-765d-7167-be10-77c63d042379" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c8aa5-765d-7051-92a8-eaf30786adb4" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_019c8aa5-765d-7167-be10-77c63d042379" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019c8aa5-765d-7e3c-87ab-abe8f3b18b2a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c8aa5-765d-7051-92a8-eaf30786adb4" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_019c8aa5-765d-7e3c-87ab-abe8f3b18b2a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_019c8aa5-765d-76e6-8f7a-0e63b22100c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c8aa5-765d-7051-92a8-eaf30786adb4" xlink:to="loc_us-gaap_LiabilitiesCurrent_019c8aa5-765d-76e6-8f7a-0e63b22100c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-733e-8b1d-56de917b2190" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_Liabilities_019c8aa5-765d-7051-92a8-eaf30786adb4" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-733e-8b1d-56de917b2190" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_019c8aa5-765d-79f1-9243-5278d107ca99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_019c8aa5-765d-73b0-a91e-bddeac80a2ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c8aa5-765d-79f1-9243-5278d107ca99" xlink:to="loc_us-gaap_RestrictedCashCurrent_019c8aa5-765d-73b0-a91e-bddeac80a2ec" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019c8aa5-765d-7c1c-914d-c7ad279737d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c8aa5-765d-79f1-9243-5278d107ca99" xlink:to="loc_us-gaap_InventoryNet_019c8aa5-765d-7c1c-914d-c7ad279737d3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019c8aa5-765d-7c30-bd08-0128091c49f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c8aa5-765d-79f1-9243-5278d107ca99" xlink:to="loc_us-gaap_OtherAssetsCurrent_019c8aa5-765d-7c30-bd08-0128091c49f4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_019c8aa5-765d-75e4-98b0-efd226429527" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsAndOtherReceivablesNetCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c8aa5-765d-79f1-9243-5278d107ca99" xlink:to="loc_us-gaap_AccountsAndOtherReceivablesNetCurrent_019c8aa5-765d-75e4-98b0-efd226429527" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c8aa5-765d-7789-8925-159a4fa8f524" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_019c8aa5-765d-79f1-9243-5278d107ca99" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_019c8aa5-765d-7789-8925-159a4fa8f524" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="simple" xlink:href="gtx-20260331.xsd#CONSOLIDATEDINTERIMSTATEMENTSOFCASHFLOWSUNAUDITED"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/CONSOLIDATEDINTERIMSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_ProceedsFromIssuanceOfSeniorSecuredDebtAndTermLoanNetOfDeferredFinancingCosts_019c8aa5-765d-7115-8666-836bad5098f7" xlink:href="gtx-20260331.xsd#gtx_ProceedsFromIssuanceOfSeniorSecuredDebtAndTermLoanNetOfDeferredFinancingCosts"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_gtx_ProceedsFromIssuanceOfSeniorSecuredDebtAndTermLoanNetOfDeferredFinancingCosts_019c8aa5-765d-7115-8666-836bad5098f7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_019c8aa5-765d-79d0-a743-72fbf4e654a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromRepaymentsOfBankOverdrafts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_019c8aa5-765d-79d0-a743-72fbf4e654a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_RepaymentsOfLongTermDebtAndAccruedInterest_019c8aa5-765d-79c6-a86c-d9c110ef7e14" xlink:href="gtx-20260331.xsd#gtx_RepaymentsOfLongTermDebtAndAccruedInterest"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_gtx_RepaymentsOfLongTermDebtAndAccruedInterest_019c8aa5-765d-79c6-a86c-d9c110ef7e14" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019c8aa5-765d-7499-bac9-1ec176f3f053" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_019c8aa5-765d-7499-bac9-1ec176f3f053" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_019c8aa5-765d-73cb-9ee7-11e26bd4f66a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDividends"/>
    <link:calculationArc order="5" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_us-gaap_PaymentsOfDividends_019c8aa5-765d-73cb-9ee7-11e26bd4f66a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_019c8aa5-765d-7e1a-9e10-032f487dcd9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_019c8aa5-765d-7e1a-9e10-032f487dcd9d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019dab3e-b585-7e4c-9e50-6b552c6bdc92" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7d45-a4d0-e756b61d824c" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_019dab3e-b585-7e4c-9e50-6b552c6bdc92" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c8aa5-765d-7fed-89e5-94bc34c41742" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019c8aa5-765d-79eb-b953-95f2bb6997ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c8aa5-765d-7fed-89e5-94bc34c41742" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_019c8aa5-765d-79eb-b953-95f2bb6997ab" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromHedgeInvestingActivities_019c8aa5-765d-7ea3-b9f8-d7b6b2ef023d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromHedgeInvestingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c8aa5-765d-7fed-89e5-94bc34c41742" xlink:to="loc_us-gaap_ProceedsFromHedgeInvestingActivities_019c8aa5-765d-7ea3-b9f8-d7b6b2ef023d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c8aa5-765d-7c18-b563-ce687957167b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-7d46-8de8-ea7ad99f1c43" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c8aa5-765d-7c18-b563-ce687957167b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-7d46-8de8-ea7ad99f1c43" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c8aa5-765d-7014-8296-8bafecc8179d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c8aa5-765d-7c18-b563-ce687957167b" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_019c8aa5-765d-7014-8296-8bafecc8179d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7aec-af1f-e1610af900c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c8aa5-765d-7c18-b563-ce687957167b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_019c8aa5-765d-7aec-af1f-e1610af900c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c8aa5-765d-74e1-bd6e-f818d634fcc1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_019c8aa5-765d-7c18-b563-ce687957167b" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_019c8aa5-765d-74e1-bd6e-f818d634fcc1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_019c8aa5-765d-7bc8-9f0a-ffbc114fa785" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProfitLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_ProfitLoss_019c8aa5-765d-7bc8-9f0a-ffbc114fa785" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AmortizationOfDeferredIssuanceCosts_019c8aa5-765d-7cfc-bfd7-e4b5edb4ff58" xlink:href="gtx-20260331.xsd#gtx_AmortizationOfDeferredIssuanceCosts"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_gtx_AmortizationOfDeferredIssuanceCosts_019c8aa5-765d-7cfc-bfd7-e4b5edb4ff58" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c8aa5-765d-7a10-b571-735b44df2b08" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_019c8aa5-765d-7a10-b571-735b44df2b08" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_019c8aa5-765d-7fc2-b852-b631c2f7d123" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_019c8aa5-765d-7fc2-b852-b631c2f7d123" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019c8aa5-765d-78b6-ad07-46ddc0696e04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_019c8aa5-765d-78b6-ad07-46ddc0696e04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_019c8aa5-765d-7163-a693-b897e1af2eed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Depreciation"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_Depreciation_019c8aa5-765d-7163-a693-b897e1af2eed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_019c8aa5-765d-7714-9d97-4e0eb5f8e189" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInAccountsPayableTrade"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableTrade_019c8aa5-765d-7714-9d97-4e0eb5f8e189" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_019c8aa5-765d-7d51-934b-de08f4dc80ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShareBasedCompensation"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_ShareBasedCompensation_019c8aa5-765d-7d51-934b-de08f4dc80ed" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_019c8aa5-765d-7048-90c4-fca0a9a49cb5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_019c8aa5-765d-7048-90c4-fca0a9a49cb5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_019c8aa5-765d-7978-ac2a-60ca7bb8da5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="10" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_019c8aa5-765d-7978-ac2a-60ca7bb8da5f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives_019c8aa5-765d-70c9-b31c-12265f5e0500" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:calculationArc order="11" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_UnrealizedGainLossOnDerivatives_019c8aa5-765d-70c9-b31c-12265f5e0500" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_IncreaseDecreaseInAccountsNotesAndOtherReceivables_019c8aa5-765d-77af-ba92-323ae675e598" xlink:href="gtx-20260331.xsd#gtx_IncreaseDecreaseInAccountsNotesAndOtherReceivables"/>
    <link:calculationArc order="12" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_gtx_IncreaseDecreaseInAccountsNotesAndOtherReceivables_019c8aa5-765d-77af-ba92-323ae675e598" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_ForeignCurrencyTransactionGainExcludingHedgesBeforeTax_019c8aa5-765d-7d4c-918f-3df48337160a" xlink:href="gtx-20260331.xsd#gtx_ForeignCurrencyTransactionGainExcludingHedgesBeforeTax"/>
    <link:calculationArc order="13" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_gtx_ForeignCurrencyTransactionGainExcludingHedgesBeforeTax_019c8aa5-765d-7d4c-918f-3df48337160a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019c8aa5-765d-7c35-b915-58d917ec60a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:calculationArc order="14" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_019c8aa5-765d-76e2-98de-e663415cd6ec" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_019c8aa5-765d-7c35-b915-58d917ec60a4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/AccountsNotesandOtherReceivablesNetScheduleofAccountsNotesandOtherReceivablesNetDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#AccountsNotesandOtherReceivablesNetScheduleofAccountsNotesandOtherReceivablesNetDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/AccountsNotesandOtherReceivablesNetScheduleofAccountsNotesandOtherReceivablesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AccountsNotesAndOtherReceivablesGross_019c8aa5-765d-77d2-a978-e2a9e39f1952" xlink:href="gtx-20260331.xsd#gtx_AccountsNotesAndOtherReceivablesGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_019c8aa5-765d-71d7-a315-b8926ac00fcd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_gtx_AccountsNotesAndOtherReceivablesGross_019c8aa5-765d-77d2-a978-e2a9e39f1952" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_019c8aa5-765d-71d7-a315-b8926ac00fcd" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesAndLoansReceivableGrossCurrent_019c8aa5-765d-7e48-823c-3b0f19c0459c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NotesAndLoansReceivableGrossCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_gtx_AccountsNotesAndOtherReceivablesGross_019c8aa5-765d-77d2-a978-e2a9e39f1952" xlink:to="loc_us-gaap_NotesAndLoansReceivableGrossCurrent_019c8aa5-765d-7e48-823c-3b0f19c0459c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivablesGrossCurrent_019c8aa5-765d-7c5e-8196-6921b6396f4a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherReceivablesGrossCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_gtx_AccountsNotesAndOtherReceivablesGross_019c8aa5-765d-77d2-a978-e2a9e39f1952" xlink:to="loc_us-gaap_OtherReceivablesGrossCurrent_019c8aa5-765d-7c5e-8196-6921b6396f4a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AccountsNotesAndOtherReceivablesNet_019c8aa5-765d-7679-ac80-4adbfd2b1796" xlink:href="gtx-20260331.xsd#gtx_AccountsNotesAndOtherReceivablesNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AccountsNotesAndOtherReceivablesGross_019c8aa5-765d-74db-9034-73be6096e999" xlink:href="gtx-20260331.xsd#gtx_AccountsNotesAndOtherReceivablesGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_gtx_AccountsNotesAndOtherReceivablesNet_019c8aa5-765d-7679-ac80-4adbfd2b1796" xlink:to="loc_gtx_AccountsNotesAndOtherReceivablesGross_019c8aa5-765d-74db-9034-73be6096e999" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019c8aa5-765d-70cd-92b1-dfc625c35ba1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_gtx_AccountsNotesAndOtherReceivablesNet_019c8aa5-765d-7679-ac80-4adbfd2b1796" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_019c8aa5-765d-70cd-92b1-dfc625c35ba1" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/InventoriesNetDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#InventoriesNetDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/InventoriesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_019c8aa5-765d-72c7-b4d3-35b57aaed2b2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_019c8aa5-765d-7219-9f9b-08839631cd3d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019c8aa5-765d-72c7-b4d3-35b57aaed2b2" xlink:to="loc_us-gaap_InventoryGross_019c8aa5-765d-7219-9f9b-08839631cd3d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_019c8aa5-765d-7efe-8923-fdded132a41d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryValuationReserves"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryNet_019c8aa5-765d-72c7-b4d3-35b57aaed2b2" xlink:to="loc_us-gaap_InventoryValuationReserves_019c8aa5-765d-7efe-8923-fdded132a41d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryGross_019c8aa5-765d-7a80-a9a9-603f6dc290b3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryGross"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoods_019c8aa5-765d-74e0-8d01-667dadb8aa5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryFinishedGoods"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_019c8aa5-765d-7a80-a9a9-603f6dc290b3" xlink:to="loc_us-gaap_InventoryFinishedGoods_019c8aa5-765d-74e0-8d01-667dadb8aa5c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterials_019c8aa5-765d-7583-b16f-5758143e6b8a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryRawMaterials"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_019c8aa5-765d-7a80-a9a9-603f6dc290b3" xlink:to="loc_us-gaap_InventoryRawMaterials_019c8aa5-765d-7583-b16f-5758143e6b8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcess_019c8aa5-765d-76a2-b1d9-a91fa3779bc4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InventoryWorkInProcess"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_InventoryGross_019c8aa5-765d-7a80-a9a9-603f6dc290b3" xlink:to="loc_us-gaap_InventoryWorkInProcess_019c8aa5-765d-76a2-b1d9-a91fa3779bc4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/OtherCurrentAssetsDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#OtherCurrentAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/OtherCurrentAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_019d219a-7c3d-71c4-82cf-408a8a98755e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_019d219a-7c3d-71c4-82cf-408a8a98755e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_019d219a-7c3d-798a-95b9-08a62ec64c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_019d219a-7c3d-798a-95b9-08a62ec64c1d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AdvancedDiscountsToCustomersCurrent_019d219a-7c3d-7e16-88e1-8536e2d948ff" xlink:href="gtx-20260331.xsd#gtx_AdvancedDiscountsToCustomersCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:to="loc_gtx_AdvancedDiscountsToCustomersCurrent_019d219a-7c3d-7e16-88e1-8536e2d948ff" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_CustomerReimbursableEngineeringCostsCurrent_019d219a-7c3d-7862-b875-2f14f412e428" xlink:href="gtx-20260331.xsd#gtx_CustomerReimbursableEngineeringCostsCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:to="loc_gtx_CustomerReimbursableEngineeringCostsCurrent_019d219a-7c3d-7862-b875-2f14f412e428" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsCurrent_019d219a-7c3d-7426-afed-08a212e521e2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:to="loc_us-gaap_DerivativeAssetsCurrent_019d219a-7c3d-7426-afed-08a212e521e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousCurrent_019d219a-7c3d-74be-8d4e-a395b8d66a17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsMiscellaneousCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsCurrent_019d219a-7c3d-7b9c-b3b9-1c60d2ce1aa3" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousCurrent_019d219a-7c3d-74be-8d4e-a395b8d66a17" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/OtherAssetsDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#OtherAssetsDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/OtherAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AdvancedDiscountsToCustomersNonCurrent_019c8aa5-765d-708a-b912-a90c64899c35" xlink:href="gtx-20260331.xsd#gtx_AdvancedDiscountsToCustomersNonCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_gtx_AdvancedDiscountsToCustomersNonCurrent_019c8aa5-765d-708a-b912-a90c64899c35" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_019c8aa5-765d-729d-b723-01810ed6c9e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_019c8aa5-765d-729d-b723-01810ed6c9e1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesReceivableNoncurrent_019c8aa5-765d-7b09-b746-79bc13a284b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxesReceivableNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_us-gaap_IncomeTaxesReceivableNoncurrent_019c8aa5-765d-7b09-b746-79bc13a284b8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_019c8aa5-765d-7f85-b130-a228a0896c70" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_us-gaap_DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent_019c8aa5-765d-7f85-b130-a228a0896c70" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_CustomerReimbursableEngineeringCostsNoncurrent_019c8aa5-765d-70f0-b96c-959a75feff24" xlink:href="gtx-20260331.xsd#gtx_CustomerReimbursableEngineeringCostsNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_gtx_CustomerReimbursableEngineeringCostsNoncurrent_019c8aa5-765d-70f0-b96c-959a75feff24" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsNoncurrent_019c8aa5-765d-7ea9-ac2e-bd13949900c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_us-gaap_DerivativeAssetsNoncurrent_019c8aa5-765d-7ea9-ac2e-bd13949900c8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_019c8aa5-765d-7e62-9b74-adb9c8c57b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsMiscellaneousNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherAssetsNoncurrent_019c8aa5-765d-773f-b235-947ed88b362f" xlink:to="loc_us-gaap_OtherAssetsMiscellaneousNoncurrent_019c8aa5-765d-7e62-9b74-adb9c8c57b0d" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/AccruedLiabilitiesSummaryofAccruedLiabilitiesDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#AccruedLiabilitiesSummaryofAccruedLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/AccruedLiabilitiesSummaryofAccruedLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveCurrent_019c8aa5-765d-7108-aa7b-21b9423e2439" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestructuringReserveCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_RestructuringReserveCurrent_019c8aa5-765d-7108-aa7b-21b9423e2439" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AccruedCustomerPricingReserveCurrent_019c8aa5-765d-7958-a600-893e4b014226" xlink:href="gtx-20260331.xsd#gtx_AccruedCustomerPricingReserveCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_gtx_AccruedCustomerPricingReserveCurrent_019c8aa5-765d-7958-a600-893e4b014226" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019c8aa5-765d-7c47-9098-3ca587c3b7ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_019c8aa5-765d-7c47-9098-3ca587c3b7ad" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AccruedFreightCostCurrent_019c8aa5-765d-7d43-b252-edcb3fcbe424" xlink:href="gtx-20260331.xsd#gtx_AccruedFreightCostCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_gtx_AccruedFreightCostCurrent_019c8aa5-765d-7d43-b252-edcb3fcbe424" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TaxesPayableCurrent_019c8aa5-765d-7d78-9061-046460580ee2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TaxesPayableCurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_TaxesPayableCurrent_019c8aa5-765d-7d78-9061-046460580ee2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityCurrent_019c8aa5-765d-7428-954a-291cae334137" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_OperatingLeaseLiabilityCurrent_019c8aa5-765d-7428-954a-291cae334137" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019c8aa5-765d-798c-9bfa-b230aa4dcb7a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EmployeeRelatedLiabilitiesCurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_EmployeeRelatedLiabilitiesCurrent_019c8aa5-765d-798c-9bfa-b230aa4dcb7a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_019c8aa5-765d-79cb-ad8c-c9b025189b71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerRefundLiabilityCurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_ContractWithCustomerRefundLiabilityCurrent_019c8aa5-765d-79cb-ad8c-c9b025189b71" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_019c8aa5-765d-7008-a6eb-0eee1d2c7ba6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductWarrantyAccrualClassifiedCurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_ProductWarrantyAccrualClassifiedCurrent_019c8aa5-765d-7008-a6eb-0eee1d2c7ba6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_019c8aa5-765d-71e0-a98c-f9857bf27625" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_019c8aa5-765d-71e0-a98c-f9857bf27625" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositLiabilitiesAccruedInterest_019c8aa5-765d-70f8-b6c4-a9cd4e100506" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DepositLiabilitiesAccruedInterest"/>
    <link:calculationArc order="11" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_DepositLiabilitiesAccruedInterest_019c8aa5-765d-70f8-b6c4-a9cd4e100506" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_019c8aa5-765d-7f5f-b948-e42990ac370f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEnvironmentalLossContingenciesCurrent"/>
    <link:calculationArc order="12" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_AccruedLiabilitiesCurrent_019c8aa5-765d-706c-9750-cf4e1f2ede9c" xlink:to="loc_us-gaap_AccruedEnvironmentalLossContingenciesCurrent_019c8aa5-765d-7f5f-b948-e42990ac370f" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/OtherLiabilitiesDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#OtherLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/OtherLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedIncomeTaxesNoncurrent_019c8aa5-765d-7d16-8b76-d04cc14210f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedIncomeTaxesNoncurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_AccruedIncomeTaxesNoncurrent_019c8aa5-765d-7d16-8b76-d04cc14210f9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_019c8aa5-765d-7de5-a1fb-8be15b14d405" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilitiesNoncurrent_019c8aa5-765d-7de5-a1fb-8be15b14d405" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_019c8aa5-765d-7617-8926-b6d2aa3ed9a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_019c8aa5-765d-7617-8926-b6d2aa3ed9a9" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_019c8aa5-765d-701d-a105-328b3235a432" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_PensionAndOtherPostretirementAndPostemploymentBenefitPlansLiabilitiesNoncurrent_019c8aa5-765d-701d-a105-328b3235a432" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019c8aa5-765d-7678-87b7-d66fa58c12d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_019c8aa5-765d-7678-87b7-d66fa58c12d6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualNoncurrent_019c8aa5-765d-7c7d-91e7-94fd967ec83e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProductWarrantyAccrualNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_ProductWarrantyAccrualNoncurrent_019c8aa5-765d-7c7d-91e7-94fd967ec83e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_019c8aa5-765d-7439-aee1-07a29e465365" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_AccruedEnvironmentalLossContingenciesNoncurrent_019c8aa5-765d-7439-aee1-07a29e465365" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_AccountsPayableNoncurrent_019c8aa5-765d-7ea2-a428-f34654d2418e" xlink:href="gtx-20260331.xsd#gtx_AccountsPayableNoncurrent"/>
    <link:calculationArc order="8" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_gtx_AccountsPayableNoncurrent_019c8aa5-765d-7ea2-a428-f34654d2418e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetRetirementObligationsNoncurrent_019c8aa5-765d-7a46-bd5e-ba53040d1c19" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetRetirementObligationsNoncurrent"/>
    <link:calculationArc order="9" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_AssetRetirementObligationsNoncurrent_019c8aa5-765d-7a46-bd5e-ba53040d1c19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_019dab2e-b47e-7baf-b582-283ac2669c89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherSundryLiabilitiesNoncurrent"/>
    <link:calculationArc order="10" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_OtherLiabilitiesNoncurrent_019c8aa5-765d-7d77-81a3-9ec1ba442ad2" xlink:to="loc_us-gaap_OtherSundryLiabilitiesNoncurrent_019dab2e-b47e-7baf-b582-283ac2669c89" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/LeasesSummaryofComponentsofLeaseExpenseDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#LeasesSummaryofComponentsofLeaseExpenseDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/LeasesSummaryofComponentsofLeaseExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseCost_019c8aa5-765d-7722-b520-50723bfd4178" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LeaseCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseCost_019c8aa5-765d-73bb-b68d-1d025b5a169f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019c8aa5-765d-7722-b520-50723bfd4178" xlink:to="loc_us-gaap_OperatingLeaseCost_019c8aa5-765d-73bb-b68d-1d025b5a169f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermLeaseCost_019c8aa5-765d-7fd5-853d-0108122d891b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ShortTermLeaseCost"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LeaseCost_019c8aa5-765d-7722-b520-50723bfd4178" xlink:to="loc_us-gaap_ShortTermLeaseCost_019c8aa5-765d-7fd5-853d-0108122d891b" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/LeasesScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#LeasesScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/LeasesScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7442-928c-6d4af24b8cb2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019c8aa5-765d-79f2-8be4-baf4bd90cec0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7442-928c-6d4af24b8cb2" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_019c8aa5-765d-79f2-8be4-baf4bd90cec0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_019c8aa5-765d-7484-9fbd-3a06505a5bab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7442-928c-6d4af24b8cb2" xlink:to="loc_us-gaap_OperatingLeaseLiability_019c8aa5-765d-7484-9fbd-3a06505a5bab" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/LeasesScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails_1" xlink:type="simple" xlink:href="gtx-20260331.xsd#LeasesScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails_1"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/LeasesScheduleofMaturitiesofOperatingLeaseLiabilitiesDetails_1" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019c8aa5-765d-70bf-b5e1-ea2a95c55646" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_019c8aa5-765d-70bf-b5e1-ea2a95c55646" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019c8aa5-765d-7a56-845d-9f6b20bdbcaf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_019c8aa5-765d-7a56-845d-9f6b20bdbcaf" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019c8aa5-765d-71da-8bef-44db266f580f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_019c8aa5-765d-71da-8bef-44db266f580f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019c8aa5-765d-727e-9da4-c04f00fd0d84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_019c8aa5-765d-727e-9da4-c04f00fd0d84" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019c8aa5-765d-7c8b-b28b-e46c727a6e4b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_019c8aa5-765d-7c8b-b28b-e46c727a6e4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_019c8aa5-765d-763d-9578-e7e298134c08" xlink:href="gtx-20260331.xsd#gtx_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_019c8aa5-765d-7043-a37e-0b0bea748199" xlink:to="loc_gtx_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour_019c8aa5-765d-763d-9578-e7e298134c08" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/LongtermDebtandCreditAgreementsScheduleofmaturitiesoflongtermdebtDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#LongtermDebtandCreditAgreementsScheduleofmaturitiesoflongtermdebtDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/LongtermDebtandCreditAgreementsScheduleofmaturitiesoflongtermdebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019c8aa5-7719-737a-9754-c2c3e8e25d17" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_019c8aa5-7719-737a-9754-c2c3e8e25d17" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019c8aa5-7719-7a1a-a984-2b0fdb465663" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_019c8aa5-7719-7a1a-a984-2b0fdb465663" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019c8aa5-7719-7ee4-bb14-13efb26ca23f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_019c8aa5-7719-7ee4-bb14-13efb26ca23f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019c8aa5-7719-7da7-9ec6-2963103b94a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_019c8aa5-7719-7da7-9ec6-2963103b94a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019c8aa5-7719-7883-8265-2a647c40530a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:to="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_019c8aa5-7719-7883-8265-2a647c40530a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_LongTermDebtMaturityAfterYearFour_019c8aa5-7719-7f20-ad0b-64800e0a96d4" xlink:href="gtx-20260331.xsd#gtx_LongTermDebtMaturityAfterYearFour"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount_019c8aa5-7719-7319-b60d-1c76b7f08509" xlink:to="loc_gtx_LongTermDebtMaturityAfterYearFour_019c8aa5-7719-7f20-ad0b-64800e0a96d4" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/AccumulatedOtherComprehensiveIncomeReclassificationOutofAccumulatedOtherComprehensiveIncomeDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#AccumulatedOtherComprehensiveIncomeReclassificationOutofAccumulatedOtherComprehensiveIncomeDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/AccumulatedOtherComprehensiveIncomeReclassificationOutofAccumulatedOtherComprehensiveIncomeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-724b-89d3-e0200369dc49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_019c8aa5-7719-7e20-ad5a-b0d41a71aa9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-724b-89d3-e0200369dc49" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_019c8aa5-7719-7e20-ad5a-b0d41a71aa9f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_019c8aa5-7719-7c99-8d4c-a58b06503728" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-724b-89d3-e0200369dc49" xlink:to="loc_us-gaap_InterestExpenseOperating_019c8aa5-7719-7c99-8d4c-a58b06503728" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_019c8aa5-7719-7c8b-88ad-b3be1546bb87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-724b-89d3-e0200369dc49" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_019c8aa5-7719-7c8b-88ad-b3be1546bb87" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c8aa5-7719-7ed1-92ad-851fdd2ca6d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-724b-89d3-e0200369dc49" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019c8aa5-7719-7ed1-92ad-851fdd2ca6d6" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#EarningsPerShareDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c8aa5-7719-7750-9fef-6432fe549521" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_IncrementalCommonSharesAttributableToUnvestedRestrictedStockUnitsAndOtherContingentlyIssuableShares_019c8aa5-7719-7559-8c12-826c1b8b95c5" xlink:href="gtx-20260331.xsd#gtx_IncrementalCommonSharesAttributableToUnvestedRestrictedStockUnitsAndOtherContingentlyIssuableShares"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c8aa5-7719-7750-9fef-6432fe549521" xlink:to="loc_gtx_IncrementalCommonSharesAttributableToUnvestedRestrictedStockUnitsAndOtherContingentlyIssuableShares_019c8aa5-7719-7559-8c12-826c1b8b95c5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019c8aa5-7719-73b4-9e6b-fe291f5d2682" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_019c8aa5-7719-7750-9fef-6432fe549521" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_019c8aa5-7719-73b4-9e6b-fe291f5d2682" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/PensionBenefitsSummaryofNetPeriodicBenefitCostDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#PensionBenefitsSummaryofNetPeriodicBenefitCostDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/PensionBenefitsSummaryofNetPeriodicBenefitCostDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019c8aa5-7719-7143-8f72-23fb4b61532e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_019c8aa5-7719-7d65-a95d-f405ffe7681e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019c8aa5-7719-7143-8f72-23fb4b61532e" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_019c8aa5-7719-7d65-a95d-f405ffe7681e" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019c8aa5-7719-7509-b962-c4ce85a9a5b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019c8aa5-7719-7143-8f72-23fb4b61532e" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_019c8aa5-7719-7509-b962-c4ce85a9a5b6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019c8aa5-7719-7e71-95b0-e21ed42c81da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019c8aa5-7719-7143-8f72-23fb4b61532e" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_019c8aa5-7719-7e71-95b0-e21ed42c81da" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_019c8aa5-7719-76ff-a530-547ab9ae4491" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_019c8aa5-7719-7143-8f72-23fb4b61532e" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_019c8aa5-7719-76ff-a530-547ab9ae4491" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.garrettmotion.com/role/SegmentsandConcentrationsSegmentinformationDetails" xlink:type="simple" xlink:href="gtx-20260331.xsd#SegmentsandConcentrationsSegmentinformationDetails"/>
  <link:calculationLink xlink:role="http://www.garrettmotion.com/role/SegmentsandConcentrationsSegmentinformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_ManufacturingCostsFixed_019c8aa5-7719-75bf-8c3d-673afa647bce" xlink:href="gtx-20260331.xsd#gtx_ManufacturingCostsFixed"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_gtx_ManufacturingCostsFixed_019c8aa5-7719-75bf-8c3d-673afa647bce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_019c8aa5-7719-790c-8f67-c9635124bcfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_019c8aa5-7719-790c-8f67-c9635124bcfa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostDirectMaterial_019c8aa5-7719-739a-885c-453f515777c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CostDirectMaterial"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_us-gaap_CostDirectMaterial_019c8aa5-7719-739a-885c-453f515777c1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019c8aa5-7719-7ec2-b29c-125c20bb1dbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_019c8aa5-7719-7ec2-b29c-125c20bb1dbe" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_019c8aa5-7719-73c3-804f-e9861c5f508a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_us-gaap_Revenues_019c8aa5-7719-73c3-804f-e9861c5f508a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_ResearchDevelopmentAndEngineeringExpense_019c8aa5-7719-71f1-ba99-065cb4eb4ef3" xlink:href="gtx-20260331.xsd#gtx_ResearchDevelopmentAndEngineeringExpense"/>
    <link:calculationArc order="6" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_gtx_ResearchDevelopmentAndEngineeringExpense_019c8aa5-7719-71f1-ba99-065cb4eb4ef3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_gtx_ManufacturingCostsVariable_019c8aa5-7719-7377-aaca-4c2b8f115c12" xlink:href="gtx-20260331.xsd#gtx_ManufacturingCostsVariable"/>
    <link:calculationArc order="7" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_gtx_ManufacturingCostsVariable_019c8aa5-7719-7377-aaca-4c2b8f115c12" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingOtherItemAmount_019c8aa5-7719-7136-b1fa-a3299f5245a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SegmentReportingOtherItemAmount"/>
    <link:calculationArc order="8" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_us-gaap_SegmentReportingOtherItemAmount_019c8aa5-7719-7136-b1fa-a3299f5245a0" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating_019c8aa5-7719-7fdd-a73c-c5fb07a354ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseOperating"/>
    <link:calculationArc order="9" weight="-1.0" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_019c8aa5-7719-76f4-8d89-1c0826e9e497" xlink:to="loc_us-gaap_InterestExpenseOperating_019c8aa5-7719-7fdd-a73c-c5fb07a354ae" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>