Locking Differential Thrust Block – GM (12479072)

Locking Differential Thrust Block is a powertrain component listed under its manufacturer number. Confirm that number against the part you are removing before ordering.

Replace the Differential Thrust Block when the fault is repeatable and the obvious external causes have been excluded. Compare the part number on the vehicle before ordering.

Reference number for the Differential Thrust Block: 12479072. It is filed under Differentials, and it is the number that has to match the part coming off the vehicle.

This is genuine GM stock, supplied for the Differential Thrust Block with the manufacturer number intact so the reference on the box matches the catalogue.