DETROIT TRUETRAC® DIFFERENTIAL; FORD 8.8 IN.; 34 SPLINE; 3.31 & UP
917A739
NEW Detroit Truetrac for Ford® F-150®
For 2015 - 2022 model years with 8.8" axles, Front and Rear fitments. Improve your stability while towing, improve off-road traction and handling, and limit wheel spin-out in performance applications.
Detroit Truetrac differential
The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Maintenance-free, it features smooth, automatic operation in forward and reverse. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle.
GENERAL SPECIFICATIONS
PRODUCT NAME Eaton Detroit Truetrac Differential
CATALOG NUMBER 917A739
PRODUCT WEIGHT 27 lb
PRODUCT SPECIFICATIONS
RING GEAR RATIO 3.31 & UP
DIFFERENTIAL TYPE Limited slip
AXLE SHAFT DIAMETER 1.32 in
RING GEAR SIZE 8.8 in
MODEL PRODUCT NOTES A quality, petroleum-mineral based, GL5 rated 80w-90 gear oil should be used. Synthetic oils and/or Friction modifiers should not be used.
GEAR SPLINE TOOTH COUNT 34 EA | 
