ACDelco GM Original Equipment Power Brake Booster Pump Assembly 19206595

The ACDelco GM Original Equipment Power Brake Booster Vacuum Pump uses engine vacuum and atmospheric pressure to increase hydraulic pressure in the master cylinder to provide power assist. This pump is the GM recommended replacement for your vehicles original components. These original equipment power brake booster vacuum pumps have been manufactured to fit your GM vehicle providing the same performance durability and service life you expect from General Motors.