Huge Inventory of Differential Parts
OEM and Aftermarket Ring & Pinion Gears, Axle Shafts, Install & Repair Kits, Limited-Slip & Locking Differentials, Individual Components & More.
Brand-Name Quality Parts at Great Prices!
In Stock • Fast Shipping • Expert Technical Advice
Let our LIVE Differential Parts Specialists take the Guesswork Out of Your Project.
Call before 4PM PST and most orders ship out the SAME DAY!
HOW TO ORDER:
Call (800) 579-0950 for LIVE Sales / Tech Assistance
We want you to receive the Correct Parts in the Shortest Possible Time,
This is why We DO NOT offer Online Ordering!
We are ready assist you LIVE from 8am to 5pm Monday thru Friday. Your order will be handed directly to our in-house shipping department for immediate processing.
Gears, Kits, Axle Shafts & Differentials are All We Do!
Looking for that Hard-to-Find or small Part? We Probably Have It!
We Stock Differential Parts for AMC, Jeep, Ford, GM, Chrysler, Ram, Dodge, Nissan, Chevrolet, Toyota and more.
Differential Parts have been our specialty since 1982, when West Coast Differentials was founded. We service the world from our location in Northern California. Our staff of differential parts experts have more than 75 years of experience with differentials, gears and axles, with decades more in general automotive repair & customizing. We take pride in our expertise and believe that you won’t find a better customer service experience anywhere in the differential parts and repair industry.
Visit the Sierra Gear & Axle Website
Order by Phone
Need your parts ASAP?
For the fastest service, call our Differential Parts Experts at (800) 579-0950 for immediate assistance. We are available to help Monday thru Friday from 8 AM to 5 PM Pacific Standard Time, and most orders placed by 4 PM ship out the SAME DAY!
Contact Us
For inquiries about our products and services, please fill out the form below. We look forward to serving you!