<?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>0001609074</rptOwnerCik>
            <rptOwnerName>HAWK RIDGE CAPITAL MANAGEMENT LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>12121 WILSHIRE BLVD. SUITE 900</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90025</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Member of 10% owner group</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2111764</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">These securities of Garrett Motion Inc. (the &quot;Company&quot;) are beneficially owned by (a) Hawk Ridge Master Fund, L.P. (&quot;Hawk Ridge&quot;), as a result of its direct ownership of the securities, (b) Hawk Ridge Capital Management LP (the &quot;Reporting Person&quot;), as a result of being the investment manager of Hawk Ridge, (c) Hawk Ridge Management LLC (&quot;Hawk Ridge GP&quot;), as a result of being the sole general partner of Hawk Ridge, (d) Hawk Ridge Capital Management GP, LLC (&quot;General Partner&quot;), as a result of being the sole general partner of the Reporting Person, and (e) David Brown, as a result of being the manager of the Hawk Ridge GP and the General Partner.</footnote>
    </footnotes>

    <remarks>The Reporting Person may be deemed to be a member of a group (for purposes of Rule 13d-3 under the Securities Exchange Act of 1934) with the other shareholders of the Company party to the Amended and Restated Coordination Agreement, dated October 20, 2020, filed as Exhibit II to Oaktree Capital Management, L.P.'s Amendment No. 2 to Schedule 13D filed on October 20, 2020. The Reporting Person disclaims beneficial ownership of any securities reported by any other person except to the extent of its pecuniary interest therein.</remarks>

    <ownerSignature>
        <signatureName>Hawk Ridge Capital Management, L.P., By: Hawk Ridge Capital Management GP, LLC, Its: General Partner, By: /s/ David Bradley, David Bradley, COO, CFO, CCO</signatureName>
        <signatureDate>2020-10-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
