-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RLpf1EWpnZ7XS8ebxBYOtiwZkFoWjBWLLJ65om/Pl29dUjTng+7OCINe7ZyR4e+f
 wuFFepGfWcIt+pTL5IW5dQ==

<SEC-DOCUMENT>0001080139-03-000021.txt : 20030923
<SEC-HEADER>0001080139-03-000021.hdr.sgml : 20030923
<ACCEPTANCE-DATETIME>20030923170204
ACCESSION NUMBER:		0001080139-03-000021
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030922
FILED AS OF DATE:		20030923

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LUBRIZOL CORP
		CENTRAL INDEX KEY:			0000060751
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				340367600
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		29400 LAKELAND BLVD
		CITY:			WICKLIFFE
		STATE:			OH
		ZIP:			44092
		BUSINESS PHONE:		2169434200

	MAIL ADDRESS:	
		STREET 1:		29400 LAKELAND BLVD
		CITY:			WICKLIFFE
		STATE:			OH
		ZIP:			44092

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HOAG DAVID H
		CENTRAL INDEX KEY:			0001015033

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05263
		FILM NUMBER:		03906473

	BUSINESS ADDRESS:	
		STREET 1:		29400 LAKELAND BLVD
		CITY:			WICKLIFFE
		STATE:			OH
		ZIP:			44092
		BUSINESS PHONE:		2169434200

	MAIL ADDRESS:	
		STREET 1:		29400 LAKELAND BLVD
		CITY:			WICKLIFFE
		STATE:			OH
		ZIP:			44092
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2003-09-22</periodOfReport>

    <dateOfOriginalSubmission>2003-09-23</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000060751</issuerCik>
        <issuerName>LUBRIZOL CORP</issuerName>
        <issuerTradingSymbol>LZ</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001015033</rptOwnerCik>
            <rptOwnerName>HOAG DAVID H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>29400 LAKELAND BLVD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WICKLIFFE</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44092</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Shares</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4061</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Amendment reflects indirect holdings left off Form 4 filed earlier.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>/s/ David H. Hoag by Andrea A. Zwegat</signatureName>
        <signatureDate>2003-09-23</signatureDate>
    </ownerSignature>

</ownershipDocument>

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