GM Genuine Parts Clutch Master Cylinder Reservoirs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These reservoirs store fluid used to generate pressure and push fluid through the clutch hose and down to your vehicle's slave cylinder. 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 create a smooth shifting experience
• 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