GM Genuine Parts Genuine GM Part Speedometer Drive Gears are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These drive gears are responsible for transferring the rotation of the transmission output shaft to your vehicle's speedometer to indicate speed on the instrument cluster. 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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• Engineered to accurately relays vehicle speed
• Helps ensure correct speed and mileage readings
• 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