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

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2015-03-03</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001161154</issuerCik>
        <issuerName>SUNOCO LOGISTICS PARTNERS L.P.</issuerName>
        <issuerTradingSymbol>SXL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001644659</rptOwnerCik>
            <rptOwnerName>Gvazdauskas Peter J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1818 MARKET STREET, STE 1500</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO and Treasurer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Units</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>19109</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Restricted Units</value>
                <footnoteId id="F1"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Units</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>24353</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The reporting person has received the following grants of Restricted Units pursuant to the Sunoco Partners LLC (&quot;Company&quot;) Amended and Restated Long-Term Incentive Plan in transactions exempt under Rule 16b-3: (i) 10,000 Restricted Units (4,000 of which have vested), granted January 24, 2013, which vest incrementally over five years, (ii) 9,200 Restricted Units, granted January 29, 2014, which vest ratably in increments of sixty percent after three years and the additional forty percent after five years, and (iii) 9,153 Restricted Units, granted December 5, 2014, which vest ratably in increments of sixty percent after three years and the additional forty percent after five years, in each case of (i), (ii), and (iii) the vesting of which is contingent only upon the continued employment of the reporting person with the Company through the end of each respective vesting cycle.</footnote>
        <footnote id="F2">Not applicable.</footnote>
        <footnote id="F3">Each Restricted Unit represents a contingent right to receive one Common Unit of SXL.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Peggy J. Harrison, Attorney-in-fact for Mr. Gvazdauskas</signatureName>
        <signatureDate>2015-06-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
