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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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 KdNhz1v9YdmFYIEmsIP9QQ==

<SEC-DOCUMENT>0000067347-03-000356.txt : 20031203
<SEC-HEADER>0000067347-03-000356.hdr.sgml : 20031203
<ACCEPTANCE-DATETIME>20031203143832
ACCESSION NUMBER:		0000067347-03-000356
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031203
FILED AS OF DATE:		20031203

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RICHARDSON BRADLEY C
		CENTRAL INDEX KEY:			0001232523

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-01373
		FILM NUMBER:		031035043

	BUSINESS ADDRESS:	
		STREET 1:		1500 DEKOVAN AVE.
		CITY:			RACINE
		STATE:			WI
		ZIP:			53403

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
</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>2003-12-03</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001232523</rptOwnerCik>
            <rptOwnerName>RICHARDSON BRADLEY C</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, Finance and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Modine common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14.0682</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>27.371</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>20226.0035</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This total includes 7.7476 units of Modine common stock indirectly held in the Registrant's Modine 401(k) Retirement Plan account and 218.2559 units of Modine common stock indirectly held in the Registrant's Modine Deferred Compensation PLan account.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>/s/D. R. Zakos, Attorney-in-Fact for B. C. Richardson</signatureName>
        <signatureDate>2003-12-03</signatureDate>
    </ownerSignature>

</ownershipDocument>

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