GM Genuine Parts Differential Lock Plates are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These plates are a component in the locking differential and is designed to lock your vehicle's wheels so that they turn in unison regardless of an individual wheels' traction. 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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• Designed to help improve traction
• 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