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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001104659-04-003931.txt : 20040212
<SEC-HEADER>0001104659-04-003931.hdr.sgml : 20040212
<ACCEPTANCE-DATETIME>20040212165559
ACCESSION NUMBER:		0001104659-04-003931
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040210
FILED AS OF DATE:		20040212

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AFTERMARKET TECHNOLOGY CORP
		CENTRAL INDEX KEY:			0000933405
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				954486486
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		ONE OAK HILL CENTER
		STREET 2:		SUITE 400
		CITY:			WESTMONT
		STATE:			IL
		ZIP:			60559
		BUSINESS PHONE:		6304556000

	MAIL ADDRESS:	
		STREET 1:		ONE OAK HILL CENTER
		STREET 2:		SUITE 400
		CITY:			WESTMONT
		STATE:			IL
		ZIP:			60559

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			AURORA OVERSEAS EQUITY PARTNERS 1 L P
		CENTRAL INDEX KEY:			0001278116

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21803
		FILM NUMBER:		04592427

	BUSINESS ADDRESS:	
		STREET 1:		AURORA CAPITAL GROUP
		STREET 2:		10877 WILSHIRE BLVD STE 2100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
		BUSINESS PHONE:		3105510101

	MAIL ADDRESS:	
		STREET 1:		AURORA CAPITAL GROUP
		STREET 2:		10877 WILSHIRE BLVD STE 2100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90024
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>a4.xml
<DESCRIPTION>4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-02-10</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000933405</issuerCik>
        <issuerName>AFTERMARKET TECHNOLOGY CORP</issuerName>
        <issuerTradingSymbol>ATAC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001278116</rptOwnerCik>
            <rptOwnerName>AURORA OVERSEAS EQUITY PARTNERS 1 L P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>WEST WIND BUILDING, P.O. BOX 1111</rptOwnerStreet1>
            <rptOwnerStreet2>GEORGE TOWN, GRAND CAYMAN</rptOwnerStreet2>
            <rptOwnerCity>CAYMAN ISLANDS, B.W.I.</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2002-08-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>319177</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1024669</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-02-10</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>160991</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.75</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>863678</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 2, 2002, the Reporting Person sold 319,177 shares at a price of $19.00 per share.  The transaction was reported on Schedule 13D and on Form 4s filed by other reporting persons, but the Reporting Person did not timely file its Form 4 with respect to this transaction.  The 1,024,669 shares reflected in Column 5 as beneficially owned are the number of shares so owned after giving effect to this 2002 transaction and before the February 2004 transaction reported in the second row.</footnote>
    </footnotes>

    <remarks>Form Executed By: AURORA OVERSEAS EQUITY PARTNERS I, L.P.  By:  AURORA OVERSEAS CAPITAL PARTNERS L.P., general partner  By:  AURORA OVERSEAS ADVISORS, LTD., general partner By:  Richard K. Roeder, Director</remarks>

    <ownerSignature>
        <signatureName>/s/ Richard K. Roeder</signatureName>
        <signatureDate>2004-02-10</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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