Aluminum Control Arm 4D0407151C 4D0407151B 8D0407151E 4D0407151P 4D0407151J 4D0407151H 4D0407151G 4D0407151E 4D0407151A for Audi A6 C5 A4 B5 VW Passat Front Lower Control Arms

Core Functions and Roles

Supporting the vehicle weight: Bearing the vehicle's own weight, load, and dynamic pressure during driving.
Controlling wheel alignment: Maintaining the correct camber and toe angles of the wheels to prevent tire wear and ensure straight driving.
Guiding wheel movement: Constraining the up and down movement and steering angle of the wheels when the vehicle goes over potholes, bumps, or turns to ensure stable driving.
Transmitting forces: Transmitting steering force, braking force, and driving force, and buffering road impacts.
Cooperating with the suspension system: Working in coordination with shock absorbers, springs, ball joints, and bushings to enhance comfort and handling.
Ensuring driving safety: Failure can lead to veering, shaking, abnormal noises, and abnormal tire wear, seriously affecting driving safety.