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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,
 GnEH+9jf1WQxqStOILdKP3a67n9VxVgaHXqkdtOgoAaVX2QktDMUxCTzD/m49M8n
 6SlAEeaIzwEvgkTNmwtYzA==

<SEC-DOCUMENT>0001181431-04-057307.txt : 20041207
<SEC-HEADER>0001181431-04-057307.hdr.sgml : 20041207
<ACCEPTANCE-DATETIME>20041207195553
ACCESSION NUMBER:		0001181431-04-057307
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041206
FILED AS OF DATE:		20041207
DATE AS OF CHANGE:		20041207

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IMPCO TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000790708
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				911039211
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		16804 GRIDLEY PLACE
		CITY:			CERRITOS
		STATE:			CA
		ZIP:			90701
		BUSINESS PHONE:		5628606666

	MAIL ADDRESS:	
		STREET 1:		16804 GRIDLEY PL
		CITY:			CERRITOS
		STATE:			CA
		ZIP:			90703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AIRSENSORS INC
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fogarty Richard
		CENTRAL INDEX KEY:			0001310411

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15143
		FILM NUMBER:		041189492

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		562-860-6666

	MAIL ADDRESS:	
		STREET 1:		16804 GRIDLEY PLACE
		CITY:			CERRITOS
		STATE:			CA
		ZIP:			90703
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>rrd60303.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-12-06</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000790708</issuerCik>
        <issuerName>IMPCO TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>IMCO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001310411</rptOwnerCik>
            <rptOwnerName>Fogarty Richard</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>16804 GRIDLEY PLACE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CERRITOS</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90703</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <otherText>Corporate Controller</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Richard Fogarty</signatureName>
        <signatureDate>2004-12-06</signatureDate>
    </ownerSignature>
</ownershipDocument>

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