GM Genuine Parts Differential Carrier Bearing Shims are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These shims are used to set your vehicle's bearing preload and backlash to help prevent overheating and gear tooth damage. Some differentials use shims between the carrier bearing races and the housing while others use them between the carrier bearing and the carrier case. 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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• Helps prevent gear binding
• Helps ensure the correct position of the carrier bearing
• 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