Quality Differential Parts since 1982!
EATON Performance Payout is back! Buy a Detroit Locker, Truetrac, ELocker or Posi and get a $50 Rebate. Offer expires March 31, 2017. Read more……..
Wavetrac® Differentials use a patented design to improve grip in low traction conditions. The Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds. Designed & manufactured in the US, they come with a transferrable Limited Lifetime Warranty. Read more……
These Air Lockers are for the enthusiast who demands the best equipment for their vehicle or buggy.The RD234 and RD235 incorporate the latest 2-piece Air Locker design and includes forged gears and a five year, unlimited mileage warranty. Read more…
Stronger, Faster, Smoother. The New ELocker4 features a stronger four-pinion design for increased strength and lightning-fast engagement. Available for 30, 35 and 40 spline axles. Read more…
The popular 2011-2015 Ford Super-Duty has a Ford 10.5″ differential with a 37-spline pinion. In addition to the OEM ring & pinion options we carry, we also have affordable aftermarket gear sets in 3.55, 3.73, 4.11 and 4.30 ratios. Call for details.
Ford Racing is first to market with Differential Parts for the 2015+ Mustang GT, and West Coast Differentials has got them in stock! We’ve got Ring & Pinion Gears, Install Kits and two different limited-slip units for the redesigned 8.8″ IRS center section. Read more…..
Tech Topics include everything from Differential Identification to Installation Instructions and New Gear Break-In Procedure
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Our LIVE Differential Parts Experts are ready to take your call Monday thru Friday from 8AM to 5PM.
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!
ARB Air Compressors & Accessories
ARB JK Traction Pack - Air Locker Package Deal
Gear & Axle Package Deals
Eaton Elocker 4 - Dana 44 Four Pinion
Ford 8.8 TrueTrac
Ford 9" TrueTrac 35-Spline 5-Pinion
Dana Crate Axles
14-Bolt Detroit TrueTrac
2010+ V8 Camaro Parts
Tacoma 4.11 Gears
Timken Hub Assemblies
Nissan Titan Lockers
Auburn Gear ZF Posi