GM Genuine Parts Suspension Control Arm and Ball Joint Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These control arms connect the steering knuckle to your vehicle's frame, and allows the suspension to move, keeping the vertical motion of your vehicle's wheels synchronized in relation to its body.GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Connects your steering knuckle to the vehicle's frame
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies