Quality Differential Parts since 1982!


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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!
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!
Differential Parts Distributor We have your differential parts in stock ready to ship today. West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota axle assemblies.
We Make the Difference At West Coast Differentials we are committed to making your experience with us totally enjoyable. We think top notch customer service is the most important thing we do. Hence, at West Coast Differentials, We Make the Difference is much more than a slogan.

Quality Brand-Name Parts Ready to Ship TODAY!

Brand Name Differential Parts

Stock and Chromoly Axle Shafts

West Coast Differentials carries 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 as well as Cut-to-Fit axle shafts for custom width housings. Custom shafts can also be ordered for almost any application.

Our staff of differential experts are available Monday thru Friday from 8am to 5pm Pacific Standard Time. We can help you select the perfect axle shafts for your replacement or performance requirements.

AAM_Dana_Sierra_Gear Axle Shafts

Stock Replacement Axle Shafts

Stock Replacement Axle Shafts are available in Sierra Gear & Axle, OEM Shafts from Dana Spicer and AAM, and US Made product lines. These axle shafts are made from 1040 and 1541 alloy steel, and are engineered to the same specifications as the original stock shafts in the vehicle. Find axle shafts for your specific vehicle in our Axle Shaft Application Guides or call our sales department for LIVE assistance.

Axle Shaft Upgrades Dana 44 60 30

Chromoly Performance Axles

Chromoly Performance Axles are available in the Sierra Gear & Axle product line for high performance use. 4340 Chromoly steel can be hardened to maximize the strength and ductility of an axle shaft. Sierra Gear Chromoly axles are far more durable than standard stock axles. Stock shafts are normally made from 1040 and 1541 steel and are perfectly adequate for stock applications. All Sierra Gear Chromoly axles are backed by our 10 Year Limited Warranty. These axles are available for Jeep, Ford, GM and Dodge applications. Find axle shafts for your specific vehicle in our Axle Shaft Application Guides or call our sales department for LIVE assistance.

 Custom Length Axle Shafts

Custom Cut-to-Fit Axle Shafts

Custom Cut-to-Fit axle shafts are available for Dana 44™, Dana 60™, Ford 9″ and 8.75″ Chrysler applications. These shafts come with splines up to 11″ in length and can be cut to the correct length for hard to find applications or custom-width housings. Most are multi-drilled for different lug patterns. To find Cut-to-Fit axle shafts for your specific vehicle, look in our Axle Shaft Application Guides under your application, or call our sales department for LIVE assistance.


Application Guides

Differential Parts Application Guide See the parts that are available for your vehicle, with direct links to our most current parts catalog.

Tech Topics

Differential Repair-Gear Ratio Calculators-setup specs-installation Instructions

Tech Topics include everything from Differential Identification to Installation Instructions and New Gear Break-In Procedure

eNews & Updates

West Coast Differentials 30 Years

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Order Parts

Our LIVE 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.

Parts Catalog

The most current listings can be accessed using the "Find Your Parts" link (Look for the magnifying glass!)