Differential Case – GM (84989575)

Differential Case is a formed or cast component that surrounds or supports part of the powertrain. Corrosion and cracking at mounting points are the usual reasons for replacement.

Replace the Differential Case when you find a crack that weeps under pressure, or when the mounting ears have failed. Welding a casting rarely restores the original alignment.

Reference number for the Differential Case: 84989575. It is filed under Differentials, and it is the number that has to match the part coming off the vehicle.

Genuine GM part for the Differential Case. Where the manufacturer has superseded a number, the current reference is the one that ships.