-----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,
 T2K+g4kJV5uqV1eZYIvKjjZZ146hn3cIYdMNJIgvpM0FPqCPD0UH3oemR8E1VQeJ
 qTo57WW+0U7MYguE6EVJ4w==

<SEC-DOCUMENT>0001189233-03-000079.txt : 20031117
<SEC-HEADER>0001189233-03-000079.hdr.sgml : 20031117
<ACCEPTANCE-DATETIME>20031117170537
ACCESSION NUMBER:		0001189233-03-000079
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031117
FILED AS OF DATE:		20031117

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ARVINMERITOR INC
		CENTRAL INDEX KEY:			0001113256
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				383354643
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		2135 W MAPLE ROAD
		CITY:			TROY
		STATE:			MI
		ZIP:			48084
		BUSINESS PHONE:		2484351000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MU SUB INC
		DATE OF NAME CHANGE:	20000501

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CASEY BRIAN P
		CENTRAL INDEX KEY:			0001260185

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15983
		FILM NUMBER:		031008577

	BUSINESS ADDRESS:	
		STREET 1:		2135 WEST MAPLE ROAD
		CITY:			TROY
		STATE:			MI
		ZIP:			48084
		BUSINESS PHONE:		2484351000

	MAIL ADDRESS:	
		STREET 1:		2135 WEST MAPLE ROAD
		CITY:			TROY
		STATE:			MI
		ZIP:			48084
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-11-17</periodOfReport>
    <issuer>
        <issuerCik>0001113256</issuerCik>
        <issuerName>ARVINMERITOR INC</issuerName>
        <issuerTradingSymbol>ARM</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001260185</rptOwnerCik>
            <rptOwnerName>CASEY BRIAN P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>ARVINMERITOR, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>2135 WEST MAPLE ROAD</rptOwnerStreet2>
            <rptOwnerCity>TROY</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48084-7186</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Vice President and Treasurer</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Employee Stock Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>17.94</value></conversionOrExercisePrice><transactionDate><value>2003-11-17</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>10000</value></transactionShares><transactionPricePerShare><footnoteId id="F2"/></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F1"/></exerciseDate><expirationDate><value>2013-11-17</value></expirationDate><underlyingSecurity><underl
yingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>10000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>10000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Options will become exercisable in whole or in part (but only for a whole number of shares) as to one-third of the option shares beginning on November 17, 2004, as to an additional one-third of the option shares beginning on November 17, 2005, and as to the balance of the option shares beginning on November 17, 2006.</footnote><footnote id="F2">Inapplicable.</footnote></footnotes><remarks/><ownerSignature><signatureName>Brian P. Casey, By Bonnie Wilkinson, Attorney-in-fact</signatureName><sign
atureDate>2003-11-17</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----