Size and pitch of water pump bolt?

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11-12-2003, 07:23 PM

Hugger

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Size and pitch of water pump bolt?

Just need to know what size and pitch the threads are on the waterpump bolt for a 99 F-Body. Thanks
-Josh

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11-12-2003, 09:06 PM

Heavy Metal

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Quote:

Originally Posted by Hugger

Just need to know what size and pitch the threads are on the waterpump bolt for a 99 F-Body. Thanks
-Josh

Since nobody has replied i'll throw out a guess...If I remember right the rocker stud I bought is the same size, it was 8mm x 1.25 pitch, I cant find the receipt but i think thats what it was.

Aaron

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Kaner123 (08-04-2021)

11-12-2003, 11:22 PM

2xLS1

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This is the way GM lists the bolt:

BOLT, W/PUMP (USED W/SEALANT) (M8X1.25X82.6, 31.8 THD, 17 OD, 10.9 GM7114MMZF)

Part # 12551926

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ahhwataday (01-04-2023)

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