Featured Products and Specials
We stock a wide selection of ring and pinion gears, installation kits and axle shafts for most applications. We also carry proven quality limited-slip units and locking differentials from top manufacturers.
Same Day Shipping
At West Coast Differentials we think you deserve to have your parts as soon as possible. So most orders placed before 4pm Pacific time ship the same day!
Free Technical Support
West Coast Differentials offers Free Technical Support before and after you buy differential parts from us. Our differential parts experts will make sure you get the right parts the first time!
Let us take the guesswork out of your job.
Simply give us a call.
Our live parts specialists are here
to make sure you get the right parts the first time.
Differentials are our business.
What We Do
We’ve figured out how to give you a quality paint job without taking forever to do it. We believe that’s a big deal, because your time matters.
Whether your siding is completely replaced or just partially repaired, it’s always beneficial to have new siding on your home.
As far as home improvement goes, window replacement and installation are essential parts of the process. Changes in the design can actually save you money.
We pride ourselves on providing courteous, friendly, affordable, and effective plumbing service. We take our mission to exceed our customers' expectations seriously.
Accurate Differential Identification is the first and most important step in your differential repair, upgrade or overhaul project.
See the parts that are available for your vehicle, with direct links to our most current parts catalog.
Tech Topics include everything from Differential Identification to Installation Instructions and New Gear Break-In Procedure.
We continuously search the marketplace to offer the highest quality and most popular differential parts at competitive prices.
Featured Products and Specials
At West Coast Differentials, we build complete ready-to run third members for Ford 8″, 9″, Chrysler 8.75″ and Toyota. All of ...
Wavetrac Differentials use a patented design to improve grip in low traction conditions. The Wavetrac® differential will perform a lifetime of service ...
These Air Lockers are for the enthusiast who demands the best equipment for their vehicle or buggy.The RD234 and RD235 incorporate ...
Stronger, Faster, Smoother. The New ELocker4 features a stronger four-pinion design for increased strength and lightning-fast engagement. Available for 30, 35 and ...
The popular 2011-2015 Ford Super-Duty has a Ford 10.5″ differential with a 37-spline pinion. In addition to the OEM ring & pinion options we ...
Quality Branded Parts Ready to Ship!
“Caesar is great. He is a one man new dealership and let me tell you, he is fantastic. He is humble and understanding, willing to help customers to his fullest. I am young and don’t really know anything…”
“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…”