Jeep Rock Crawling

Get maximum off-road 4X4 performance with Western Differential's 9" Components for Jeeps and Broncos.

4X4 Experts

Front Differentials • Rear Differentials • Brakes • Axels

Custom Design & Build

Using American made, top quality parts.

Racing • Hot Rods • Off-Roading

Western Diff can install, or ship you complete kits.

"Whether You're Rock Crawling or Crawling through Traffic, We Have You Covered"

Differentials, Axles, Drive Shafts & Components

Western Differential is a complete differential shop with the quality, service and experience to handle all you needs from 4-Wheel Drive to racing, towing to working or just daily driving. Our experts can assess your needs and customize the components that are right for the job. We have a huge inventory of top quality new parts and carefully inspected used parts.

Whether you need axles or drive shafts, front diffs or rear diffs or a new ring and pinion set. We can install in our shop or ship to you anywhere!

In addition to rear differentials, we also build front diffs,  and supply parts and kits for do-it-yourself projects. We use brand names you can trust like Strange Engineering, US Gear, 9+, ARB Air Locker, Detroit Locker, Dana, Spicer, Timken, Eaton, Superwinch and Motive Gear. We can put together a complete package for you with posi units, performance axles, drive shafts and brakes. From repairing the family car to customizing the street rod, we will treat your job with the same professionalism that we have been known for since 1973.

Your Source For:

  • Posies & Lockers
  • Ring & Pinions
  • Brakes
  • Bearings & Kits


SRT-8 RacingJeep_srt8

If your looking for a differential that will handle high horsepower SRT modifications –We have the solution.

Western Differential is a leader in innovating and customizing high performance differentials for Jeep Grand Cherokee SRT-8.



Open Tuesday – Friday 8AM – 6 PMpayment

3825 E Kleindale Rd Tucson, AZ 85716 • (520) 327-1747