I have found a wonderful New Old Stock Parts Source.
E Mail is as follows:
nospart@yahoo.com ask for Gary Couloulis. He has helped me for many years now. If you find out the parts are no longer available. Call him. I have a 1997 26ft. Fleetwood Southwind Storm with a Chevy P 30 Frame. I am finding that a few parts are no longer available. ut Gary has helped me.
Good Luck and I hope this helps you.