Welcome to the forum!!! You can try local Craigs list for parts or part outs or here on the classifieds. Post this up on the TJ page and see what kind of advice you can get.
TJ Jeep Wrangler Forum - Jeep Wrangler Forum
I am a desert YJ guy with no rust issues.
89 2.5 TBI, 4" RC lift, 1" Booms, SYE, Adams Driveshafts front and rear, Ford 8.8 with 4:88s, BFG 33X12.50X15, and a ton of other stuff.
AF Jeep Club Tail Number 184