Ken, here are two:
This one is near the border.
GUNDIE'S INC.
1283 Mt. Baker Hwy.
Bellingham, WA 98226
(800) 444-4344, (360) 733-5036
Large number of rebuildable RVs, auto recycling center, appliances, all types of parts for all types of RVs.
This one is just south of Olympia a little ways.
Singleton RV Salvage and Sales
383 Nelson Rd.
Rochester, WA (360) 273-9566
"We are here just for you...Check with us before buying new!" Sinks, fridges, stoves,
lights, awnings, roof air,
propane tanks, axles, body parts, doors,
windows, jacks, and much more. Open four days a week: Thur., Fri., Sat. and Sun.
I got this info from:
http://www.timberman.com/salvage.htm
Good luck.