Quality Differential Parts since 1982!
Now thru August 31, 2016, Get a $35 Rebate with the purchase of any Lock Right Locking Differential. Lock Right is the original “Lunchbox Locker”. Mail-in rebate form required, contact our sales department to order.
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…..
We’ve got Ring & Pinion Gears, Install & Repair Kits, Locking Differentials and Positraction Units for a variety of applications. Call our Sales Department for more information or check out our Application Guide for Nissan.
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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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