The Delphi Control Arm - 135644 is a kit of products designed for a car's control arm system. It includes various components that are essential for the proper functioning of this system. The kit contains a control arm, ball joint, bushings, and other necessary hardware. These parts are designed to work together to provide stability and control to the car's suspension system. The control arm is responsible for connecting the wheel hub to the frame of the car, while the ball joint allows for smooth movement and rotation of the control arm. The bushings help to absorb shock and reduce noise and vibration. The kit is designed to provide a comprehensive solution for maintaining and repairing the control arm system of a car. It is suitable for various makes and models of cars and is a reliable choice for ensuring the smooth and safe operation of a vehicle's suspension system.