1965 C-10 - Sleeping Beauty

[TJ's Chevy]

Originally Posted by chevy_man5

Does anyone know what the difference is in the 1963-64 and the 1965+ water pumps? The 65+ are cheaper, but I don't want to buy one for my sons truck (his engine is a 1963) and have it not work.

There is a slight difference in the shape. It is too hard to describe on writing.
On the right side of the water pump, were it hooks to the thermostat housing is in slightly different spots. 1963-1964 all had the same style. 1965-1984 all had the same style. Hope this helps.