I have a old original sb waterpump with the circular stamp with a 71 and the bottom hose inlet that has the pentastar and # 7951571 09104, what i'm getting at is when i restore the car can i get it rebuilt or can i remove the internals of a new pump into the old pump. the pump i have now in my 71 demon is a napa made in japan, great pump but...

Hey Mike
I had searched out a date coded small block water pump for my T/A project and had it rebuilt.
Pete's restorations did mine, not sure if he is still doing that, but even if he is not, I am sure others are.

Thanks Brad the pump i have has a 71 in the center of the pie but with no dot's around it, What month would that be

I'm not sure how that style of date code works, hopefully someone here can chime in with the deciphering.

Hi: I think the part number you listed should start with a 2 rather than a 7. There should be at least one dot in that sun pattern surrounding the 71. There are 12 "slices" around the 71 each indicating a month. The same dating system is also on alternators. When was you car built? The date on the water pump should predate your cars SPD by a month or two, or be the same month as your SPD. Thanks for the information about Pete's Resto. I will email him and see if he is still restoring water pumps. I have a whole mess of original ones I need to get done!

It does have one dot visable after i cleaned it, But not sure if its usable due to the hose end housing having heavy and deep pitting?