The Eaton Detroit Truetrac is a helical gear-driven limited-slip differential that makes the most of available traction and sharpens handling and drivability. It works smoothly and automatically, needs no maintenance, and suits street, tow, and trail use without the on and off behavior of a locker. This unit fits the Dana 44 axle with 30-spline shafts and 3.73 and down ratios.
- Type: Helical gear limited-slip differential
- Axle: Dana 44
- Ring gear diameter: 8.5in
- Axle shaft diameter: 1.31in
- Spline count: 30
- Gear ratio: 3.73 and down
- Part number: 913A589
Axle Fitment
- Fits the Dana 44 axle, 30-spline, 3.73 and down ratios, found in 1970-2018 Jeep including JK and Chrysler and Dodge trucks. Confirm your axle and spline count.
FAQ
What axle does the 913A589 fit?
It is built for the Dana 44 axle with 30-spline shafts.
What ratios does it cover?
It works with 3.73 and down (numerically lower) ratios.
Which vehicles use this Dana 44?
It is common on 1970-2018 Jeep including JK and Chrysler and Dodge trucks. Confirm your axle first.
Is it maintenance free?
Yes. The helical Truetrac is automatic and needs no maintenance.
