This 4WD actuator from Dorman with the manufacturer part number 600-101 is a crucial component for your vehicle's transmission and drivetrain system. Whether you are looking to repair or upgrade your car or truck, this product is a perfect fit. With its high-quality construction, this actuator is designed to withstand the toughest conditions and provide reliable performance. It is compatible with a range of differentials, assemblies, and parts, making it a versatile choice for any transmission and drivetrain project. Don't miss out on this essential part for your vehicle.