Ron,
I don't have a part number, sorry. It's a junkyard part, and after I got the bracket ordered from Kilby, I found out that the clutch I have is not the correct one. He want's $110.00 for it and right now, I kinda stretched the budget on the bracket. I do have the Kilby part number, but I'm sure it's his own special part number it's 25-501939-D.
I was hoping that anyone that has some York's laying around waiting for projects, that they could check and we could swap, if anyone had the correct one. The one I have is the exact same size in over diameter, but the backset is 2.5" instead of 2.25". I also have one that is 7" in diameter but it's the correct backset, it just won't fit in the installation, it will hit the overflow tube for the radiator.
You could try to see if the number crosses to anyting, but I would bet the part number is his own.
Thanks for the help.
Rob