Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Drivetrain› Differentials and Rear-End Components
Eaton
Eaton Detroit Truetrac Differential 34 Spline 1.37in Axle Shaft Diameter Rear 9.75in
SKU: E00K 913A477
Advanced — 4+ hours
Overview
This heavy-duty, all-gear design ensures quiet and smooth operation without requiring maintenance. It allows for wheel speed differentiation in turns while limiting one wheel to 1.5 times the speed of the other, providing full-time traction.
Show original supplier description
Part #: 913A477
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.
Detroit Truetrac (R) Differential | 34 Spline | 1.37 in. Axle Shaft Diameter | All Ratios | Rear 9.75 in.
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Eaton |
| Part Number | E00K 913A477 |
Videos
How to install a Detroit Truetrac limited slip differential carrier. ADVANCED INSTRUCTIONS!
Watch before you buy Eaton Detroit TrueTrac differential! How do they work?
Why I like the Detroit Truetrac
Eaton Detroit Truetrac Limited-Slip Differential
Exploded View - Inside the Eaton TrueTrac Differential
Eaton Detroit TrueTrac Differentials | XDP Q&A
Eaton and Detroit Locker Differential Overview
Removing and Installing The New Eaton TrueTrac Differential
Detroit Truetrac Differential Install Part 1
Ford Super 8.8 Detroit Locker install & review - 15-26 F150 does DONUTS and BURNOUTS - Eaton 917A739
Testing a Eaton True Trac LSD Tacoma IFS
Off-Road Eaton Truetrac vs Open Differential | Demonstration
Eaton Truetrac Differential Review
2015 F150 Eaton TrueTrac / 4:10 gears FBO RWD ROCKET
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
View Full Shipping Policy