-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FS8usvRX1jZCWGijZW7va/MgMihA6sxXRjrgm3FGpiIgcLi7gaG0Q6xwsRtEFXKu
 lQgGwyPh0FRPwr8e6rREsg==

<SEC-DOCUMENT>0001104659-04-003923.txt : 20040212
<SEC-HEADER>0001104659-04-003923.hdr.sgml : 20040212
<ACCEPTANCE-DATETIME>20040212165237
ACCESSION NUMBER:		0001104659-04-003923
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 CAPITAL PARTNERS LP
		CENTRAL INDEX KEY:			0000925239

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21803
		FILM NUMBER:		04592372

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 1111 GRAND CAYMAN
		CITY:			CAYMAN ISLANDS BRITISH WEST IN
		STATE:			D6
		ZIP:			00000

	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>0000925239</rptOwnerCik>
            <rptOwnerName>AURORA OVERSEAS CAPITAL PARTNERS LP</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>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </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>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On August 2, 2002, 319,177 shares beneficially owned by the Reporting Person were sold 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>
        <footnote id="F2">The Reporting Person is the general partner of Aurora Overseas Equity Partners I, L.P., the partnership that owns the reported securities.  Aurora Overseas Advisors, Ltd., in turn, is the general partner of the Reporting Person.</footnote>
    </footnotes>

    <remarks>Form Executed By: AURORA OVERSEAS CAPITAL PARTNERS L.P. 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>
-----END PRIVACY-ENHANCED MESSAGE-----