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Anyone have the GM Part Number for the LS6 Oil Pump

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Old 10-07-2005, 11:50 PM
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Default Anyone have the GM Part Number for the LS6 Oil Pump

Just as the thread says, I'm doing a H/C swap and want to replace the timing chain (Which I found the GM P/N to) and now I'm definately doing the oil pump as the car has over 126K miles, and the oil pressure is down to 20PSI, probably rings going bad, but oh well, ride it till the wheels fall off (Or the Rods go bye bye) anyway P/N would be appreciated.
Old 10-08-2005, 12:32 AM
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rings do not affect your oil P. bearings will but I just pulled the heads off of my c5 at 97k miles and almost zero cylinder wear, so if yours was taken care of then you should be golden for another 100k.

ps I would shim the oil pump bypass spring and port a new stock pump (it takes a few hours but beats buying one)

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Old 10-08-2005, 03:00 AM
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12556436 stamped on LS6 oil pump
Old 10-08-2005, 04:13 AM
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Hmm, GM parts direct doesnt show anything for that part number, any other P/N's I should be looking for?
Old 10-08-2005, 07:15 AM
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12586665
Old 10-08-2005, 07:16 AM
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$61.75 from gmpartsdirect.com $80 after shipping.
Old 10-08-2005, 03:13 PM
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Originally Posted by davered00ss
12586665
Correct, I forgot this number was stamped on the box and the number I posted above is stamped on the pump itself. go figure! Who knows. LOL



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