Came off my 2002 Silverado 5.3L Was in perfect working order when removed with about 14K on it 2 1/2 years ago. The rear plastic cover has been rattle can painted Indigo Blue and has the stock pully still on it. It has some marks when the socket rubbed off some of the paint on the pully and pully nut.
Asking $80 shipped
See pics here