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We are experiencing above average demand, supplier shortages and delivery delays.
We apologize for any inconvenience, and are doing our best to get your order fulfilled and delivered in a timely fashion.
What We Do
Featured Products and Specials
Please read this before you buy parts from us. At West Coast Differentials we have always supported our wholesale customers by ...Read More
In-House Gear Finishing Service Simply put, Isotropic Superfinishing significantly reduces the surface imperfections that remain after a Ring and Pinion Gear ...Read More
The NEW Truetrac for 2011+ Ram 1500 9.25 ZF is AVAILABLE NOW!Read More
From stock replacement to full-on race applications, we build complete ready-to run third members for Ford 8″, 9″, Chrysler 8.75″ and ...Read More
Wavetrac Differentials use a patented design to improve grip in low traction conditions. The Wavetrac® differential will perform a lifetime of service ...Read More
These Air Lockers are for the enthusiast who demands the best equipment for their vehicle or buggy. The RD234 and RD235 ...Read More
Direct Acting ELocker for Dana 60™ and Dana 70™ – Stronger, Faster, Smoother. Available for 30, 35 and 40 spline axles. ...Read More
Ford Racing is first to market with Differential Parts for the 2015+ Mustang GT, and West Coast Differentials has got them ...Read More
Our selection of differential parts for Nissan vehicles is growing! We’ve got Ring & Pinion Gears, Install & Repair Kits, Locking ...Read More
Looking for more traction for your 2010 and newer Ram 1500, Dodge Durango or Jeep Grand Cherokee? Check out Auburn’s new ...Read More
The ARB Air Locker Traction Pack for Jeep JK Wrangler is here! Get two ARB Air Lockers, an ARB Air Compressor ...Read More
ARB’s nodular iron Differential Covers have been engineered to protect the differential and ring & pinion from off-road hazards. Features: Computer ...Read More
In addition to proper differential setup, the correct break-in procedure is an important part of ensuring the long life of your gears. ...Read More
Quality Branded Parts Ready to Ship!
“The used truck I bought had a lot of scratches and scrapes in the bed and on the tailgate. I considered a drop in bedliner but I was concerned with the fit and finish. After talking to a couple of friends and…”