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LMG Head Gasket Part Number

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Old May 4, 2009 | 07:58 AM
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Default LMG Head Gasket Part Number

I have this posted in Gen IV forum without any response, though it might be better here??

I am looking for stock thickness head gaskets for my Gen IV LMG 5.3 standard bore with stock 799 heads. Anybody have a GM part number? The onlything I can read on the old ones is "57/HO53L", but cant find that number through the search. Thanks for any info.
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Old May 7, 2009 | 05:44 PM
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I'm looking for the same GM part number. I took the gasket to Chevy and they scratched their heads too.
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Old May 7, 2009 | 06:29 PM
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I got it. GM part number 12589226 .051 thick. This is the same haed gasket I just removed.
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