image image image image
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.
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.
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!

Differentials, Ring and Pinion Gear Sets, Axle Shafts and a Huge Selection of other Differential Parts

Differential and Rear End Parts West Coast Differentials distributes the highest quality light duty differential parts available at a competitive price. We have an extensive inventory of open, limited slip and locking differentials, OEM and aftermarket ring & pinion sets, stock replacement and Chromoly axle shafts, differential rebuild kits, and much, much more!

Product of the Month

Win FREE Gears at Off Road Expo

Win Free Gears Ring & Pinion

The Lucas Oil Off Road Expo is coming to the Fairplex in Pomona, CA on October 4-5. Featuring over 300 vendor and manufacturer booths and 60,000 attendees, the Off Road Expo is the place to be. Stop by the West Coast Differentials booth in Building 4 and register for a chance to win a FREE Ring & Pinion and other goodies!

Auburn Gear Differential REBATES!

Nissan Titan Limited Slip POSI Gen 5 Camaro

Get a $100.00 Rebate on the NEW Auburn Gear Gen 5 Camaro Differential OR a $50.00 Rebate on the NEW Nissan Titan Units.

Read more about the Auburn Gear Differential Rebates

The NEW Eaton ELocker 4 for Dana 44

Dana 44 E Locker 4

Eaton ELocker 4

The New ELocker 4 is a stronger 4-pinion design electric locking differential for the 30-spline Dana 44. Switch from a fully-open to 100%- locked axle at the touch of a button.

Check out the Dana 44 ELocker 4 details.

Ford Raptor Ring and Pinion Gears – Late Model

Ford SVT Raptor Differential Gears

West Coast Differentials has Late-Model Ford Raptor Ring and Pinion Gears!

Ford Raptor Ring and Pinion Gears are available in 3.55, 3.73, 4.10, 4.56 and 4.88 ratios. Call our Differential and Axle Specialists for details.

Synergy HD Ball Joints

Synergy Ball Joints for Jeep JK Wrangler

Upgrade your factory Ball Joints with a set of Synergy HD Ball Joints!

Featuring a fully greasable sintered metal on bushing design that has high wear resistance, Synergy Ball Joints outperform the Mopar factory plastic bushings and come complete with a 12-month unlimited warranty. Learn more about Synergy HD Ball Joints

⇦ Get the latest NEWS, DISCOUNTS AND NEW PRODUCT INFORMATION as soon as it’s available. Simply subscribe to our mailing list in the left sidebar. None of your information, including e-mail addresses, will ever be shared with or sold to any third-party.

 

2014 Product Catalog

For complete listings by part number and application, Click the thumbnail above to view our current catalog online or Download a PDF copy and save it on your computer for offline viewing

eNews & Updates

Differential Repair Parts and technical questions gear ratio calculators and more

Follow us on Facebook for up-to-the-minute news, special offers, product info and event reports


Sign up for our NEWSLETTER to receive email updates about New Products, Promotions and Discounts from West Coast Differentials!

Enter your email address:

Delivered by FeedBurner



None of your information, including e-mail addresses, will ever be shared with or sold to any third-party.

Featured Item Archive

For a complete list of new products, promotions and clearance deals, check out our New Differential Products archive.

Contact Our Experts

(800) 510-0950

Our differential experts are ready to help from 8 AM to 5 PM Monday thru Friday Pacific Standard Time.

Orders received by 4 PM are usually shipped the SAME DAY, with Next Day Delivery to most of the West Coast via Ground Service.

More Contact Information

West Coast Differentials has been providing Quality Brand-Name parts and Expert Customer Service since 1982!

West Coast Differentials 30 Years

Featured Items

 

Differential and Axle Parts Available from West Coast Differentials:

  • Ring & Pinion Gear Sets
  • Open Differentials
  • Limited Slip Differentials
  • Locking Differentials
  • Spools
  • Differential Rebuild Kits
  • Stock Replacement Axle Shafts
  • Chromoly Performance Axle Shafts
  • Transfer Case Kits
  • Wheel Bearing Kits
  • Differential Third Members
  • Differential Yokes

Contact Info

  • West Coast Differentials
  • 2429 Mercantile Drive Suite A
  • Rancho Cordova, CA 95742
  • Toll Free: 800-510-0950
  • Tel: 916-635-0950
  • Fax: 916-635-1105

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. By asking ourselves what makes us different than other companies, our answer is that we deliver the level of customer service that other companies only promise.