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Discussion Starter · #1 ·
Can someone decode this water pump for me? I know Chevies, but not Pontiac. It was in a lot of parts that I got with my '65 GTO. I'd like to know the date, in case it's the original to the car. Thanks.
136909
136910
 

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Not positive but it looks to be an aftermarket water pump. The number doesn't come up with anything I have.
 

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No date codes used on the water pump till 1967. The cast numbers shown in your pictures are correct for your 65 GTO.
 
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Discussion Starter · #4 ·
No date codes used on the water pump till 1967. The cast numbers shown in your pictures are correct for your 65 GTO.
Thanks so much. I had a hunch it's the original to the car, as the original owner wrote down everything he ever did to the car, and there was no mention of a water pump change. His nephew, who inherited the car told me that he changed the pump & kept the one he took off.
 

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Arthur Gould Rebuilders
Kings Park, NY
631-269-0093
 
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