GM ALUMINUM WATER PUMP

[Serbigblock]

Does anyone know what GM aluminum water pump with casting number 3975928 was used on?????????

[PeteLeathersac]

A quick Google looks like factory on 502's also the '00 ZL1 cars, maybe more...looks like lotsa' guys running it on old ZL1's etc. too. .

Here's one on eBay too. .

http://cgi.ebay.com/ebaymotors/CHEVY-GM-...sspagenameZWD1V (http://cgi.ebay.com/ebaymotors/CHEVY-GM-502-ALUMINUM-FACTORY-WATER-PUMP-267_W0QQcmdZViewItemQQcategoryZ33604QQihZ019QQitem Z8045396937QQrdZ1QQsspagenameZWD1V)

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~ Pete