3.73 gearing

I'm looking for a set of front and rear 3.73 gears for my '95 4.0 4x4. Ring & Pinion sets preferred, but full axles or pumpkins in the Minnesota/Dakotas/Western Wisconsin area could be an option for the right price. I have some 4.10 gears if anyone is interested in trade.

Does anyone have any knowledge on replacing the rear end differential components? And if so where do you guys recommend to order the parts from? My Ranger has a few teeth chunked off the bottom carrier gear from the previous owner, so I was looking to replace the carrier gears, and the ring and...