Drivetrain› Differentials and Rear-End Components

Eaton

E-Locker Differential for Toyota 8-Inch Front Axle, 30

$668.66

SKU: TT913A612

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Eaton Detroit Truetrac differential is a limited-slip differential designed for Toyota 8-inch front axles. It features 30 spline axle shafts and is compatible with all gear ratios. This differential provides constant power to both wheels while allowing for wheel speed differentiation.
Show original supplier description
It provides smooth, automatic operation in both forward and reverse, eliminating the need for driver intervention. Its versatile design makes it a suitable traction solution for a wide range of vehicles. Key specifications for this model include compatibility with Toyota 8-inch front axles, a 30-spline count, and suitability for all gear ratios. It features helical-style pinion gears and is maintenance-free, allowing for more time on the road and validated performance and durability. The unit requires 10 ring gear bolts, which are not included. This differential is specifically designed for Toyota 8-inch front applications. Note that it "Only fits 50mm large hub bearing axles." As with any differential installation, professional installation is recommended to ensure proper function and longevity. It is backed by a 1-year manufacturer's warranty.

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

BrandEaton
Part NumberTT913A612
CategoryDrivetrain
5,000+ Trusted brands
1M+ Enthusiasts
5M+ Parts sold
(760) 282-4645 hello@motormia.co

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 Policy

Shipping

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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy