Hello, I have what I believe is a double deep groove pulley with a GM part # of 3947125 CC then a CAL 19 GM on it.. I have done several searches and can’t find what it came from.. Any ideas??

Thanks Dave

No idea what it's from, but a part history book shows that it replaced 3947124 in 2-72.
BillL

73-74 GM truck w/292 engine, probably goes earlier too, but I don't have that info.

73-74 GM truck w/292 engine, probably goes earlier too, but I don't have that info.

So basicly worthless. Thanks for the Help guys!

Nah. Toss it in your toolbox for when you need to barter for something, or use it as a rope guide for moving the fake dead person on Halloween.