ACDelco GM Original Equipment 178-0683 Power Brake Booster Assembly

ACDelco GM Original Equipment Power Brake Boosters connect the brake pedal apply system to the master cylinder, and are GM-recommended replacements for your vehicle's original components. The brake booster is a force multiplier that causes additional force to be applied to the master cylinder for additional braking power. These brake boosters have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.