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The Eaton Detroit Truetrac differential fits 2020–2025 GM 2500HD diesel 6.6 applications equipped with rear 31-spline axles and provides a helical-gear limited-slip function. As a Detroit Truetrac unit, it supplies automatic torque biasing to improve traction without user intervention, delivering driveline traction enhancement for the specified GM 2500HD diesel models that use 31-spline rear axles.
Eaton Detroit Truetrac Differential 20-25 GM 2500HD Diesel 6.6 Only with Rear 31 Spline Axles
