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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 8qFBe5FqJyw5ssNJEzVpgQ==

<SEC-DOCUMENT>0000067347-04-000004.txt : 20040105
<SEC-HEADER>0000067347-04-000004.hdr.sgml : 20040105
<ACCEPTANCE-DATETIME>20040105150710
ACCESSION NUMBER:		0000067347-04-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031231
FILED AS OF DATE:		20040105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MODINE MANUFACTURING CO
		CENTRAL INDEX KEY:			0000067347
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				390482000
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		1500 DEKOVEN AVE
		CITY:			RACINE
		STATE:			WI
		ZIP:			53403
		BUSINESS PHONE:		2626361200

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HETRICK ROGER L
		CENTRAL INDEX KEY:			0001185594

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01373
		FILM NUMBER:		04504233

	BUSINESS ADDRESS:	
		STREET 1:		MODINE MANUFACTURING CO
		STREET 2:		1500 DEKOVEN AVE
		CITY:			RACINE
		STATE:			WI
		ZIP:			53403
		BUSINESS PHONE:		2626361464
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-12-31</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000067347</issuerCik>
        <issuerName>MODINE MANUFACTURING CO</issuerName>
        <issuerTradingSymbol>MODI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001185594</rptOwnerCik>
            <rptOwnerName>HETRICK ROGER L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1></rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity></rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode></rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Human Resources</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Modine common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-31</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>35.4908</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>29.4014</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23278.1208</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This total includes 1,157.3867 units of Modine common stock indirectly held in the Registrant's Modine 401(k) Retirement Plan account, 1,314.3451 units of Modine common stock indirectly held in the Registrant's Modine Deferred Compensation Plan account and 2,054.389 shares held through Modine's Dividend Reinvestment Plan.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>/s/D. R. Zakos, Attorney-in-Fact for R. L. Hetrick</signatureName>
        <signatureDate>2004-01-05</signatureDate>
    </ownerSignature>

</ownershipDocument>

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