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Differential and Axle Technical Help

Differential & Axle Technical Help Topics

These pages are intended to answer the most common questions and help you solve the most common problems with differential and axle identification, repair, setup, modification and problem diagnosis. If you don’t find the technical help that you need on these pages, contact us, and talk to a differential and axle expert at (800)510-0950.

Differential & Axle Technical Help Topics:

 Axle and Differential Rear End Identification  Rear End Carrier Breaks Brakes High Low Ratio Carrier
 RPM Calculator Tire Size conversion Rear End Gear Ratio Calculator  Differential Noise Rear End Problems Howling Chatter
 Axle Length, Axle Splines, Brake Offset, Bolt Circle  Broken Ring Gear Reasons Differential Broken pinion Gear
 Ring & Pinion Gear Install Instructions How To DIY  What gear ratio do I need Posi Locker Open Differential
 Differential Torque Specs Ring Gear Torque  GM axle ratio identification codes G Codes
 Differential rear end gear break in procedure  New Ring & Pinion Break In
 Differential Repair Assembly exploded diagrams


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Our LIVE Differential Parts Experts are ready to take your call Monday thru Friday from 8AM to 5PM.

(800) 510-0950

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!
We do not offer Online Ordering We want to make sure you get the right parts... Simply give us a call! Let our parts specialists take the guesswork out of your order.

Application Guides

Differential Parts Application Guide Use our Application Guides to find parts that are available for your vehicle, Including Ring & Pinion Gear Sets, Installation Kits, Positraction and Locking Differentials, Internal Parts, Axle Shafts and more.

2015 Product Catalog

West Coast Differentials Ring Pinion Axles Rearend Parts Click the thumbnail above to view or download our current catalog. Download a PDF copy and save it on your computer for offline viewing or see the Flipbook version online.