The Sachs Strut Assembly - 317563 is a complete suspension system for vehicles. It includes a strut, coil spring, and top mount. The strut is a structural component that helps support the weight of the vehicle and provides a stable platform for the suspension. The coil spring helps absorb shock and maintain stability while driving. The top mount is responsible for connecting the strut to the vehicle's body. This assembly is designed to provide a smooth and comfortable ride, as well as improve handling and control. It is compatible with a wide range of vehicle makes and models.