1 Differential Bearing Preload Wrench C-4164 6602. Compatibility :Use to adjust differential bearing free play on Chrysler/Dodge vehicles with 7-1/4", 8-1/4", 8-3/4", and 9-1/4" rear axles. 2011 (Ram Truck 1500, Nitro, Liberty, Dakota) - System (3 - Differential and Driveline).
