This is the list I got back for RWC and I would appreciate any info, fixes or source of parts please

Steering wheel grip loose: fix/glue or aftermarket wheel
Drivers side seat belt frayed: Replace where do i find aftermarket or how to fix?
Front trailing arm bushes under diff stuffed: Replace parts supply aftermarket?
Disc pads need replace all around: best type?
Rear axel seals leaking: advice on fixing and new seals?
Both front door hinges both sides: replace parts supply aftermarket where to buy?
Fuel tank signs of leak from above maybe when filling? any advice
When on hoist one of the rear coil springs wants to fall out? shocks or something more sinister?

Thanks in advance.