- Direct-fit upgrades for popular Ford and Dana axles, including Ford 9-inch, 8.8-inch, and Dana 44/60
- TrueTrac helical-gear design provides smooth, automatic limited-slip engagement without wearable friction plates
- ELocker technology offers selectable, on-demand full lockup with the push of a button
- Engineered to deliver unmatched traction and strength for rigorous street, track, and off-road environments
- Proven performance and reliability, featuring our highest-ranking top sellers for modern and classic vehicles
Product Details
The Eaton Performance TrueTrac and ELocker differentials offer an uncompromising solution for optimal traction and drivetrain strength. Designed specifically for a wide range of popular domestic axles, these high-performance units install seamlessly into factory housings, utilizing original layouts while vastly improving off-road capability and street performance.
Built from premium materials and engineered to exacting tolerances, Eaton differentials eliminate the unpredictable behavior of standard open diffs and are engineered to endure the rigorous conditions of aggressive off-roading, high-torque track days, and high-stress street driving. Whether utilizing the maintenance-free, optimized helical-gear TrueTrac for smooth power delivery or the selectable ELocker for maximum on-demand traction in the most extreme environments, Eaton delivers dependable control and longevity.
Applications
- 1957–1987 Ford 9" (1.32", 31-Spline, 3.25 & up ratio)
- Universal Ford 9" (1.50", 35-Spline, 3.25 & up ratio)
- 1967–1996 Dana 44 (8.5", 1.31", 30-Spline, 3.73 & down ratio)
- 1983–2014 Ford C-Clip 8.8" (1.32", 31-Spline, All Ratios)
- 1977–1979 Dana 44 (8.5", 1.31", 30-Spline, 3.73 & down ratio)
- 2019–2025 Ford Ranger (w/o OEM Locker, excl. Tremor & Raptor)
- 2021–2025 Ford Bronco G6 Dana 44 M220 (8.66", 1.41", 32-Spline, 3.73 ratio / w/o Factory Locker, excl. Raptor)
- 1974–2016 Dana 60 (9.75", 1.50", 35-Spline, 4.10 & down ratio)
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913A586, Eaton Detroit Truetrac Differential 31 Spline 1.32in Axle Shaft Diameter 3.25 & Up Ratio
MAP: $675.99
914A690, Eaton Detroit Truetrac Differential 35 Spline 1.50in Axle Shaft Diameter 3.25 & Up Ratio
MAP: $729.99
19977-010, Eaton ELocker4 Differential Dana 44 Front 30 Spline 3.73 & Down Ratio
MAP: $1,509.99
913A561, Eaton Detroit Truetrac Differential 31 Spline 1.32in Axle Shaft Dia Front 8.8in/Reverse Rear 8.8in
MAP: $749.99
913A589, Eaton Detroit Truetrac Differential 30 Spline 1.31in Axle Shaft Dia 3.73 & Down Ratio Rear Dana 44
MAP: $679.99
14234-1, Eaton ELocker Differential Jeep JL/JT Dana 44 M210 / M220 32 Spline 1.41 Axle Shaft Dia.
MAP: $1,554.99
14022-010, Eaton ELocker4 Differential Dana 60 Performance 35 Spline 4.10 & Down Ratio
MAP: $1,488.99
Eaton Performance specializes in high-performance differentials and drivetrain solutions that enhance vehicle capability and efficiency. With a commitment to precise engineering, OEM-level fitment, and top-tier durability, Eaton products are designed for automotive enthusiasts who demand superior traction performance on the street and the trail.
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