6602 Differential Bearing Preload Wrench. 6602 Differential Bearing Preload Wrench fits for Chrysler, Dodge Vehicles with 7-1/4, 8-1/4, 8-3/4, and 9-1/4 Rear axles. Application: This tool is able to loosen the differential bearing adjusters inside the housing through the axle tube ( you need to use with socket).
