EATON DETROIT TRUETRAC Limited Slip Diff. (9.75" 34-Spline) - 2011-2025 F150

Maximizes wheel traction and enhances driving and handling characteristics.

DESCRIPTION

DESCRIPTION:

The Detroit Truetrac is a helicalgear style limited-slip differential that maximizes wheel traction and enhances driving and handling characteristics. Its versatility make the Detroit Truetrac the ideal traction solution for almost any type of vehicle.

2011-2025 F150s only: this differential only fits Ford 9.75″ rear ends with 34-spline axles.

Will not fit SVT Raptors: this locker will not fit SVT Raptors, due to the fact that Raptors have 35-spline axles.

***Will not fit F150’s with the HD max tow package! 9.75C as they have 35-spline axles.

DETAILS

DETAILS:

Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. Do not use synthetic gear oil or friction modifiers.

  • Helical-style pinion gears
  • Limited-slip operation
  • Smooth and automatic engagement – no driver action needed
  • Parts are maintenance free meaning more time on the road
  • Validated performance and durability
  • Greatly improves rear end traction and handling
  • Near-instant engagement
  • Does not require friction modifier or clutch replacement
  • Drop-in replacement for stock differential
  • For F150s with 34-spline 9.75" rear ends only

Before you order, click the tabs and read the important, but maybe not so exciting stuff.

DESCRIPTION

DESCRIPTION:

The Detroit Truetrac is a helicalgear style limited-slip differential that maximizes wheel traction and enhances driving and handling characteristics. Its versatility make the Detroit Truetrac the ideal traction solution for almost any type of vehicle.

2011-2025 F150s only: this differential only fits Ford 9.75″ rear ends with 34-spline axles.

Will not fit SVT Raptors: this locker will not fit SVT Raptors, due to the fact that Raptors have 35-spline axles.

***Will not fit F150’s with the HD max tow package! 9.75C as they have 35-spline axles.

DETAILS

DETAILS:

Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. Do not use synthetic gear oil or friction modifiers.
  • Helical-style pinion gears
  • Limited-slip operation
  • Smooth and automatic engagement – no driver action needed
  • Parts are maintenance free meaning more time on the road
  • Validated performance and durability
  • Greatly improves rear end traction and handling
  • Near-instant engagement
  • Does not require friction modifier or clutch replacement
  • Drop-in replacement for stock differential
  • For F150s with 34-spline 9.75" rear ends only

No Sales to California

We are not selling any products to CA. Any orders with CA billing or shipping will be cancelled minus a 5% fee and refunded.


NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLE. THE SALE, USE, OR INSTALLATION OF THIS PRODUCT MAY ALSO BE ILLEGAL NATIONWIDE UNDER THE FEDERAL CLEAN AIR ACT (42 U.S.C. § 7522(A)(3)).

SKU: EAT913A477
Regular price $805.99
DESCRIPTION

DESCRIPTION:

The Detroit Truetrac is a helicalgear style limited-slip differential that maximizes wheel traction and enhances driving and handling characteristics. Its versatility make the Detroit Truetrac the ideal traction solution for almost any type of vehicle.

2011-2025 F150s only: this differential only fits Ford 9.75″ rear ends with 34-spline axles.

Will not fit SVT Raptors: this locker will not fit SVT Raptors, due to the fact that Raptors have 35-spline axles.

***Will not fit F150’s with the HD max tow package! 9.75C as they have 35-spline axles.

DETAILS

DETAILS:

Eaton recommends a petroleum/mineral based GL-5 80W90 gear oil for all Truetrac differentials. Do not use synthetic gear oil or friction modifiers.
  • Helical-style pinion gears
  • Limited-slip operation
  • Smooth and automatic engagement – no driver action needed
  • Parts are maintenance free meaning more time on the road
  • Validated performance and durability
  • Greatly improves rear end traction and handling
  • Near-instant engagement
  • Does not require friction modifier or clutch replacement
  • Drop-in replacement for stock differential
  • For F150s with 34-spline 9.75" rear ends only