20774171 | Genuine GM® Power Brake Booster Assembly Air Brake Chamber specializing in fuel delivery and

specializing in fuel delivery and pressure regulation technologies for industrial

It’s used in vehicles and industrial systems to control temperature

even though the rest of the system seems fine

Convert Pedal Force into Hydraulic Pressure

Fits M11-7526-005 For Kenworth / Peterbilt trucks

20774171 | Genuine GM® Power Brake Booster Assembly Air Brake Chamber specializing in fuel delivery andDescription: A Power Brake Booster Assembly 20774171 (often just called a brake booster) is a key component in a vehicles braking system that helps reduce the amount of physical effort needed to press the brake pedal and stop the vehicle. The brake booster uses vacuum pressure (or sometimes hydraulic or electric pressure) to amplify the force you apply to the brake pedal. Without it, youd have to press the pedal much harder to slow or stop the