The Parts book shows it as 2585532. It supersedes to PN: 3685603
I'm starting to realize that engine is probably not originalThat is a 1967 pump. It has the small return facing rearward. The 1966 and back has a 5/8" return facing straight up.
And the water pump housing and water neck are both 1967 and newer.
Look on the pad below the distributor, if you can. '66 would have a B 383 stamping on it.I'm starting to realize that engine is probably not original
I looked & didn't see anything....could you send me a picture of where I should be looking ??Look on the pad below the distributor, if you can. '66 would have a B 383 stamping on it.