GM Genuine Parts Brake Boosters with Brake Master Cylinders are designed, engineered, and tested to rigorous standards, and are backed by General Motors. The brake booster and the brake master cylinder work together to help the driver stop the vehicle. The master cylinder stores brake fluid that is pushed through the lines and forces the brake pads against the disc when the brakes are engaged, helping to slow the vehicle. GM Genuine Parts are the true OE parts installed during the production 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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• Allows the driver to not exert as much pressure on the brake pedal
• Helps restore brake power and performance
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
• GM regularly updates production and service part designs to integrate new materials and technologies