<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2020-10-20</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001735707</issuerCik>
        <issuerName>Garrett Motion Inc.</issuerName>
        <issuerTradingSymbol>GTX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001674541</rptOwnerCik>
            <rptOwnerName>Centerbridge Special Credit Partners III-Flex, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001827884</rptOwnerCik>
            <rptOwnerName>Centerbridge Special Credit Partners General Partner III, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001667801</rptOwnerCik>
            <rptOwnerName>CCP III Cayman GP Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001584544</rptOwnerCik>
            <rptOwnerName>Centerbridge Credit Partners Master, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001484834</rptOwnerCik>
            <rptOwnerName>Centerbridge Credit Partners Offshore General Partner, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001667800</rptOwnerCik>
            <rptOwnerName>Centerbridge Credit Cayman GP, Ltd.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001584682</rptOwnerCik>
            <rptOwnerName>Centerbridge Credit GP Investors, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001426126</rptOwnerCik>
            <rptOwnerName>Gallogly Mark T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10152</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001425800</rptOwnerCik>
            <rptOwnerName>Aronson Jeffrey</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>375 PARK AVENUE, 11TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>11</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>See Remarks</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2805763</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>584237</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">CSCP III Cayman GP Ltd. (&quot;CSCP III Cayman GP&quot;) is the general partner of Centerbridge Special Credit Partners General Partner III, L.P. (&quot;Special Credit III GP&quot;), which is the general partner of Centerbridge Special Credit Partners III-Flex, L.P. (&quot;SC III-Flex&quot;), and may be deemed to share beneficial ownership over the shares held of record by SC III-Flex. As the directors of CSCP III Cayman GP, Jeffrey H. Aronson and Mark T. Gallogly may be deemed to share beneficial ownership with respect to the shares held of record by SC III-Flex. Such persons and entities expressly disclaim beneficial ownership of the shares held of record by SC III-Flex, except to the extent of any proportionate pecuniary interest therein.</footnote>
        <footnote id="F2">Centerbridge Credit GP Investors, L.L.C. (&quot;Credit GP Investors&quot;) is the sole director of Centerbridge Credit Cayman GP, Ltd. (&quot;Credit Cayman GP&quot;), which is the general partner of Centerbridge Credit Partners Offshore General Partner, L.P. (&quot;Credit Partners Offshore GP&quot;), which is the general partner of Centerbridge Credit Partners Master, L.P. (&quot;Credit Partners Master&quot;), and may be deemed to share beneficial ownership over the shares held of record by Credit Partners Master. As the managing members of Credit GP Investors, Jeffrey H. Aronson and Mark T. Gallogly may be deemed to share beneficial ownership with respect to the shares held of record by Credit Partners Master. Such persons and entities expressly disclaim beneficial ownership of the shares held of record by Credit Partners Master, except to the extent of any proportionate pecuniary interest therein.</footnote>
    </footnotes>

    <remarks>May be a member of a 10% group (3)
(3) The Reporting Persons are jointly filing this Form 3. Pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, as amended, each of the Reporting Persons (other than to the extent it directly holds securities reported herein) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of any or all of the reported securities for purposes of Section 16 or for any other purpose. We note that the undersigned has made a Schedule 13D filing, and we refer to the disclosures contained therein regarding potential &quot;group&quot; status and disclaimers thereto.</remarks>

    <ownerSignature>
        <signatureName>CENTERBRIDGE SPECIAL CREDIT PARTNERS III-FLEX, L.P., By: Centerbridge Special Credit Partners General Partner III, L.P., its general partner, By: CSCP III Cayman GP Ltd., its general partner, /s/ Susanne V. Clark, Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE SPECIAL CREDIT PARTNERS GENERAL PARTNER III, L.P., By: CSCP III Cayman GP Ltd., its general partner, /s/ Susanne V. Clark, Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CSCP III CAYMAN GP LTD., /s/ Susanne V. Clark, Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE CREDIT PARTNERS MASTER, L.P., By: Centerbridge Credit Partners Offshore General Partner, L.P., By: Centerbridge Credit Cayman GP, Ltd., By: Centerbridge Credit GP Investors, L.L.C., /s/ Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE CREDIT PARTNERS OFFSHORE GENERAL PARTNER, L.P., By: Centerbridge Credit Cayman GP, Ltd., its general partner, By: Centerbridge Credit GP Investors, L.L.C., its director, /s/ Susanne V. Clark, Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE CREDIT CAYMAN GP, LTD., By: Centerbridge Credit GP Investors, L.L.C., its director, /s/ Susanne V. Clark, Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>CENTERBRIDGE CREDIT GP INVESTORS, L.L.C., /s/ Susanne V. Clark, Susanne V. Clark, Authorized Signatory</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>MARK T. GALLOGLY, /s/ Mark T. Gallogly</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>JEFFREY H. ARONSON, /s/ Jeffrey H. Aronson</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
