Quality Differential Parts since 1982!

(800)510-0950

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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!
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!
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.
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.

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Posts Tagged ‘Ford 9″’

Ford 9 Detroit Truetrac – 35 Spline 5 Pinion

The Ford 9 Detroit Truetrac 35 Spline is perfect for use in Ford 9″ axle applications that are being upgraded from 28 or 31 spline to 35 spline.

This unit is also ideal for custom powertrain builds. The 5-pinion design of the Ford 9 Detroit Truetrac provides incredible strength, smooth maintenance-free performance and proven durability. Available NOW!! Call the differential experts at West Coast Differentials for more information. Representatives are available to help Monday thru Friday from 8am to 5pm Pacific Standard Time.

Ford 9 Detroit Truetrac

Check out the Detroit Truetrac FAQ’s page for more information.

Application Guides

Differential Parts Application Guide See the parts that are available for your vehicle, with direct links to our most current parts catalog.

Tech Topics

Differential Repair-Gear Ratio Calculators-setup specs-installation Instructions

Tech Topics include everything from Differential Identification to Installation Instructions and New Gear Break-In Procedure

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West Coast Differentials 30 Years

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Order Parts

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.

Parts Catalog

The most current listings can be accessed using the "Find Your Parts" link (Look for the magnifying glass!)