hydraulic pump

Good afternoon everyone, I finally got the 317 off the hoist after replacing the faulty ignition module with help from Chuck. Now I have a new issue. The rear seal on the transmission appears to be leaking around the casing. It appears that the fan that attaches to shaft has been rubbing on...

Looking for suggestions on where to buy a lift pump pulley for my JD210. Have searched the local garden tractor salvage yards with no success and John Deere quit stocking that part in 1991 according to my dealer. I've attached a pic of the part I'm looking for, think it was used on the 210, 212...