Power Brake Hydro Boost Assembly (2015-2019)

Part# 84472897+22872387


WARNING: Cancer and Reproductive Harm - www.P65Warnings.Ca.Gov

Power Brake Hydro Boost Assembly

Fits 2015-2019 Chevy/GMC 2500/3500 HD

Part# 84472897

Replace your leaking hydro booster with this genuine GM replacement. These boosters connect the brake pedal apply system to the master cylinder. The brake booster is a force multiplier that causes additional force to be applied to the master cylinder for additional braking power.


  • Restores braking power and performance
  • Genuine GM part so you know you are getting a high quality replacement