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Drivetrain› Differentials and Rear-End Components

DETROIT LOCKER-TRACTECH

Detroit Truetrac - Dana 60 35-Spline

$940.20 $864.99 Save $75.21

SKU: D03L 915A387

In Stock
In Stock
Ships by Jun 11
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Eaton 915A387 Detroit TrueTrac is a helical-gear limited slip differential designed to maximize traction and enhance handling. It is specifically for 35-Spline Dana 60 vehicles with a 4.10 and down carrier. The system automatically engages to deliver superior performance, eliminating wheel spin-outs. It features a maintenance-free design, requiring no friction modifiers. The parallel axis and planetary helical gears ensure smooth and quiet torque division.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandDETROIT LOCKER-TRACTECH
Part NumberD03L 915A387

Videos

Watch before you buy Eaton Detroit TrueTrac differential! How do they work?

Watch before you buy Eaton Detroit TrueTrac differential! How do they work?
Eaton Detroit Truetrac Limited-Slip Differential

Eaton Detroit Truetrac Limited-Slip Differential
Why I like the Detroit Truetrac

Why I like the Detroit Truetrac
Exploded View - Inside the Eaton TrueTrac Differential

Exploded View - Inside the Eaton TrueTrac Differential
Eaton Detroit TrueTrac Differentials | XDP Q&A

Eaton Detroit TrueTrac Differentials | XDP Q&A
HOW TO SELECT THE RIGHT DIFFERENTIAL | EXPLAINED

HOW TO SELECT THE RIGHT DIFFERENTIAL | EXPLAINED
Differential Lockers! ARB vs Yukon vs Detroit vs Spool

Differential Lockers! ARB vs Yukon vs Detroit vs Spool

Buy with Confidence

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.

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