Welcome to the forum. Just type in the search block at the top. Use keys words like RV Salvage Yards, you should get several post with some links to salvage yards. Good luck in the search for the part you are looking for.
2005 Damon Daybreak 3070 Workhorse P32 8.1 eng
Toad - 2006 Chevy HHR Flat Tow
Bluie Ox Tow System and Brakes