Quality Differential Parts since 1982!


Quality Brand-Name Parts Ready to Ship TODAY!

Brand Name Differential Parts

Differential and Axle Products

Ring & Pinions

Ring and Pinion Gear Sets

West Coast Differentials stocks Original Equipment (OEM) and aftermarket ring and pinion gear sets of the highest quality. OEM brands include Chrysler, Dana Spicer, Ford and American Axle. Aftermarket brands include Sierra Gear, Richmond Gear and US Gear.

Read more about our Ring & Pinion Gear Sets

Eaton Limited Slip Differential


Our complete line of light duty differentials includes stock open carriers, positraction and limited slip units for a little more traction, locking differentials for rock crawling and extreme conditions, and spools for racing and off road performance.

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Master Rebuild Kit

Differential Rebuild Kits

We assemble our own complete differential rebuild kits made with the highest quality components available. Our rebuild kits are available as a Master Rebuild Kit with everything you need, a Basic Rebuild Kit for the professional service shop, a Pinion Rebuild Kit with just pinion components, and a Mini Rebuild Kit when you need everything except the bearings. We also have Spider Gear Kits and Transfer Case Kits.

Read more about our Differential Rebuild Kits

Axle Shafts

Axle Shafts

We carry a complete line of stock replacement axle shafts for light duty trucks, SUV’s, Jeeps and classic cars. We also carry a complete line of chromoly performance axles.

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Differential Small Parts

Differential Small Parts

Whether you need a thrust washer, a cross pin shaft or bolt, shims, ring gear bolts or just about anything else inside an axle housing, we have the parts you need.

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Chrysler 8.75" Third Member

Third Members

West Coast Differentials can build custom third members for Ford 8 or 9 inch, Toyota and Chrysler 8.75” differentials. We’ll put them together with any gear ratio, differential, housing and yoke you need.

Read more about our Third Members

View the parts that are available for your vehicle in our Application Guides:

Ring & Pinions | Kits | Internal Parts Application Guide

Limited-Slip and Locking Differential Application Guide

Performance & Replacement Axle Shaft Application Guide

Brand Name Differential Parts



Order Parts

Our Differential Parts Experts are ready to take your call Monday thru Friday from 8AM to 5PM.

(800) 510-0950

Most orders received before 4PM Pacific Standard Time will be shipped out the SAME DAY, with next day delivery via ground service to most of the West Coast!
We do not offer Online Ordering We want to make sure you get the right parts... Simply give us a call! Let our parts specialists take the guesswork out of your order.

2015 Product Catalog

West Coast Differentials Ring Pinion Axles Rearend Parts Click the thumbnail above to view or download our current catalog. Download a PDF copy and save it on your computer for offline viewing or see the Flipbook version online.

eNews & Updates

West Coast Differentials 30 Years

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