GM Genuine Parts Wheel Blocks are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These blocks are used in your vehicle's spare stowage compartment to keep the spare wheel secure and may also provide an attachment point for the jack or tools to be secured. 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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• Used in your vehicle's spare stowage compartment to keep the spare wheel secure and may also provide an attachment point for the jack or tools to be secured
• 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