I have used my Chevy parts guy to search for discontinued parts with good success. They can do a search for you and see what other dealers may have in stock. Most recently has been my gm kicker powered sub which was in Texas. The other was a brand new set of chrome door handles for my 2011 Silverado crewcab which have been discontinued for years. Turned out a dealer 2 hrs away had a complete set they ordered back in 2010 on the shelve. Nether of the part guys could believe it.
