Originally Posted by Mike B
Where did you get the GM 3701562 part number that checks out as '54 261?

What's the number pressed into the flange on your pump?

Mike B smile

That is the number on the pump I pulled out of the engine. Which is why I'm double checking.

I only found one thread on VCCA w the part number and "261" ...so "checks out" was prob the wrong wording to use. lol.