Eaton Detroit Truetrac Limited-Slip Differential 30 Spline AAM 11.5in Rear 2001-2019 Chevy Silverado GMC Sierra 2500HD 3500HD

Description The Eaton Detroit Truetrac 915A568 represents the gold standard in helical gear limited-slip differential technology for AAM 11.5-inch rear axles. This proven design utilizes parallel-axis planetary helical gears to provide smooth, quiet, and automatic torque distribution between the drive wheels. Unlike clutch-type limited-slip differentials, the Detroit Truetrac eliminates wear components while delivering maintenance-free traction enhancement for the life of the unit. The 30-spline configuration fits GM heavy-duty trucks from 2001-2019 as well as Dodge Ram 2500/3500 trucks from 2003-2010. Whether you are towing heavy loads, navigating slippery conditions, or simply want better everyday traction, the Detroit Truetrac delivers superior performance without the noise, wear, or maintenance associated with other differential designs. Key Features Patented parallel-axis planetary helical gear design Automatic torque transfer to high-traction wheel Can transfer up to 3.5 times more torque to the wheel with better grip Smooth and quiet operation Maintenance-free design with no clutches to wear Works in forward and reverse ABS compatible No special lubricants or friction modifiers required Fits all gear ratios Components Detroit Truetrac differential carrier assembly Complete with helical gear set Installation hardware Specs Axle: AAM 11.5-inch 14-bolt Spline Count: 30 Spline Diameter: 1.56 inches Ring Gear Size: 11.5 inches Gear Ratios: All ratios Axle Location: Rear Differential Type: Limited Slip (Helical Gear) Weight: Approximately 66 lbs Fitment: 2001-2019 GM Silverado/Sierra 2500HD/3500HD, 2003-2010 Dodge Ram 2500/3500 Installation Installation requires removal of the existing carrier and is best performed by an experienced drivetrain technician. Installation time is typically 3-4 hours in a professional shop. Eaton recommends petroleum/mineral based GL-5 80W90 gear oil. Do not use synthetic gear oil or friction modifiers. Detailed installation guides available from Eaton at eaton.com. Our Take At Strictly SVDs, the Detroit Truetrac is our go-to recommendation for customers seeking improved traction without the harshness of a full locker. The helical gear design provides imperceptible engagement during normal driving while automatically sending power to the wheel with better grip when conditions demand it. This makes it perfect for trucks that tow, plow, or simply need confidence in varying conditions. Unlike clutch-type limited-slips that wear over time and eventually stop functioning, the Truetrac will deliver consistent performance indefinitely with no maintenance or adjustment required. For 3/4-ton and 1-ton HD trucks running AAM 11.5 axles, this is one of the most impactful traction upgrades available.