Ken, here are two:
This one is near the border.
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