GM Genuine Parts Door Lock Knobs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These knobs allow the vehicle's occupants to manually operate the door lock. 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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• Allows the vehicle's occupants to manually operate the door lock
• 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
• Collision parts are designed to help promote proper and safe repair