8883A 8883B Alternative Differential Adjusting Wrench
This special wrench must be used to properly adjust Preload and Backlash, and works on bearing adjuster part numbers 5086699AA and 05183279AA.
Workshop manuals are often wrong regarding this job. If you have Differential Carrier Bearing Adjuster Nut 68216208AB, you'll require 2069800030 Differential Carrier Bearing Adjuster Wrench Tool.
Works on the following applications with 9.25" AAM Front Differentials:
Works on the following applications with 10.5", 11.5", 11.8", 12.0" AAM Rear Differentials:
G3C