GM Genuine Parts Manual Transmission Main Shaft Bearings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These bearings help protect against heat damaging friction, produced by rotating components connecting various gears and shafts in your vehicle's drive train. 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 minimize heat damaging friction
• 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