Dorman 600-490 4WD Actuator Compatible With Select | Ubuy

The 4WD systems on many older Chevrolet and GMC trucks utilize a thermal differential actuator which is prone to sluggishness and failure when the wax that drives the actuator piston ages and deteriorates, ultimately disabling the 4WD system. The kit contains our part number 600-101 4WD electric actuator and our part number 600-600 4WD actuator harness, both of which are carefully engineered to precise specifications to update an old technology thermally-activated differential to a more efficient electric differential on specified GM vehicle makes, models and years. This part is compatible with the following vehicles. Upgraded repair - this 4WD differential actuator upgrade kit is designed to update a thermally activated differential to a more efficient electric differential on specified Chevrolet and GMC trucks Complete solution - this kit includes a 4WD electric actuator and 4WD actuator harness, the key components required to update a 4WD differential Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool