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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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 ZHtWwNEVskz5EPbl71qxAQ==

<SEC-DOCUMENT>0001179110-04-012828.txt : 20040614
<SEC-HEADER>0001179110-04-012828.hdr.sgml : 20040611
<ACCEPTANCE-DATETIME>20040614195607
ACCESSION NUMBER:		0001179110-04-012828
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040609
FILED AS OF DATE:		20040614

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERIGON INC
		CENTRAL INDEX KEY:			0000903129
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
		IRS NUMBER:				954318554
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5462 IRWINDALE AVENUE
		CITY:			IRWINDALE
		STATE:			CA
		ZIP:			91760-
		BUSINESS PHONE:		6268157400

	MAIL ADDRESS:	
		STREET 1:		5462 IRWINDALE AVE
		CITY:			IRWINDALE
		STATE:			CA
		ZIP:			91706

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARX OSCAR B III
		CENTRAL INDEX KEY:			0001182627

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-21810
		FILM NUMBER:		04862767

	BUSINESS ADDRESS:	
		STREET 1:		SMTEK INTERNATIONAL INC
		STREET 2:		200 SCIENCE DR
		CITY:			MOORPARK
		STATE:			CA
		ZIP:			93021-2003
		BUSINESS PHONE:		8055322800X187

	MAIL ADDRESS:	
		STREET 1:		SMTEK INTERNATIONAL INC
		STREET 2:		200 SCIENCE DR
		CITY:			MOORPARK
		STATE:			CA
		ZIP:			93021-2003
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-06-09</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000903129</issuerCik>
        <issuerName>AMERIGON INC</issuerName>
        <issuerTradingSymbol>ARGN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001182627</rptOwnerCik>
            <rptOwnerName>MARX OSCAR B III</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>33 SMITH CLIFFS ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAGUNA BEACH</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92651</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>See Footnote(2) below</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2004-06-09</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>41400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.74</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1979202</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">This number does not include 4,500 shares of preferred stock which are currently convertible into 2,686,567 shares common stock.</footnote>
        <footnote id="F2">The reporting person has an ownership interest in a limited liability company that holds the reported securities, which currently constitutes at least 10% beneficial ownership interest of the issuer's outstanding shares of common stock and preferred stock (on an as converted basis).  The reporting person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Oscar B. Marx, III</signatureName>
        <signatureDate>2004-06-11</signatureDate>
    </ownerSignature>
</ownershipDocument>

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