<?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>0001830175</rptOwnerCik>
            <rptOwnerName>Keyframe Capital Partners, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001830200</rptOwnerCik>
            <rptOwnerName>Keyframe Fund I, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001830338</rptOwnerCik>
            <rptOwnerName>Keyframe Fund II, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001830260</rptOwnerCik>
            <rptOwnerName>Keyframe Fund III, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001830238</rptOwnerCik>
            <rptOwnerName>Keyframe Fund IV, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001830247</rptOwnerCik>
            <rptOwnerName>Keyframe Capital Advisors, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001830199</rptOwnerCik>
            <rptOwnerName>Keyframe Capital Partners GP, L.L.C.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001619801</rptOwnerCik>
            <rptOwnerName>Rapaport John Ross</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>65 EAST 55TH STREET, 35TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</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>1506050</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">Keyframe Fund I, L.P., Keyframe Fund II, L.P., Keyframe Fund III, L.P. and Keyframe Fund IV, L.P. (collectively, the &quot;Keyframe Funds&quot;) directly hold 263,900, 225,226, 564,200 and 452,724 shares, respectively, of common stock of Garrett Motion Inc. (the &quot;Company&quot;). Keyframe Capital Advisors, L.L.C. (&quot;KCA&quot;) is the general partner of each of the Keyframe Funds. Keyframe Capital Partners, L.P. (&quot;KCP&quot;) is the investment manager to each of the Keyframe Funds. Keyframe Capital Partners GP, L.L.C. (&quot;KCPGP&quot;) is the general partner to KCP. Mr. John R. Rapaport is the Chief Investment Officer and Managing Partner of KCP and the Managing Member of both KCA and KCPGP. The Keyframe Funds, KCA, KCP, KCPGP and Mr. Rapaport are collectively referred to as the &quot;Reporting Persons.&quot;</footnote>
    </footnotes>

    <remarks>The Reporting Persons are jointly filing this Form 3. The Reporting Persons may be deemed to be members 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 99.1 to the Reporting Persons' Schedule 13D filed on October 28, 2020. The Reporting Persons disclaim beneficial ownership of any securities reported by any person except to the extent of their pecuniary interest therein.</remarks>

    <ownerSignature>
        <signatureName>Keyframe Fund I, L.P. By: Keyframe Capital Advisors, L.L.C., its General Partner, By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Managing Member</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Keyframe Fund II, L.P., By: Keyframe Capital Advisors, L.L.C., its General Partner, By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Managing Member</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Keyframe Fund III, L.P., By: Keyframe Capital Advisors, L.L.C., its General Partner, By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Managing Member</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Keyframe Fund IV, L.P., By: Keyframe Capital Advisors, L.L.C., its General Partner, By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Managing Member</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Keyframe Capital Advisors, L.L.C., By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Managing Member</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Keyframe Capital Partners, L.P., By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Chief Investment Officer and Managing Partner</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>Keyframe Partners GP, L.L.C., By: /s/ John R. Rapaport, Name: John R. Rapaport, Title: Managing Member</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ John R. Rapaport, John R. Rapaport</signatureName>
        <signatureDate>2020-10-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
