Detroit Truetrac Differential 917A740

Detroit Truetrac GM 11.5” AAM Differential

Eaton Detroit Truetrac is a high-performance, maintenance-free helical gear, limited-slip differential. Designed for 2020+ GM 2500/3500 trucks with an 11.5” AAM rear axle and engineered for 31-spline axles, it improves traction automatically without clutches, providing smooth torque transfer for heavy-duty, daily driving, or towing.

• Helical Gear Limited-Slip (No Clutches)
• 31-Spline Axle
• Smooth, Automatic, Quiet Operation with No Maintenance
• Differential Carrier, Detroit Truetrac, 31 Spline, Steel, AAM 11.5

• 2020-25 GM 2500HD
• 2020-25 GM 3500HD