Quality Differential Parts since 1982!


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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

Eaton Differential Rebates are BACK!

Eaton Detroit Locker Rebate

“Performance Payout” is back for a limited time. Now thru August 31st, get cash back when you buy any Eaton Performance Differential. Choose from the legendary Detroit Locker, selectable ELocker, maintenance-free Detroit Truetrac or the Eaton Posi. Rebate amount varies by purchase amount. Click HERE for more information about the Eaton Performance Payout.

New from Auburn Gear! Chrysler 9.25″ ZF Rear

Grand Cherokee-Ram 1500-Dodge Durango -Limited Slip

Looking for more traction for your 2010 and newer Ram 1500, Dodge Durango or Jeep Grand Cherokee? Check out Auburn’s new High Performance Series Limited-Slip Differential for Chrysler 9.25″ “ZF”.  Get the details here including application information.

ARB Air Locker Traction Pack

ARB Traction Pack Feature Image

The ARB Air Locker Traction Pack for Jeep JK Wrangler is here! Get two ARB Air Lockers, an ARB Air Compressor and tire inflation accessories at a savings of $299.00 over purchasing the items separately. See more details about the ARB Traction Pack

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.

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2015 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

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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

About WCD

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.