ACDelco GM Original Equipment Brake Master Cylinder is a hydraulic pump mounted to the brake booster and contains a reservoir that holds brake fluid. This original equipment brake master cylinder has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Signs of Wear:
- Spongy or mushy braking
- Brake fluid leaks
- Slower stop-times
- Lower than normal brake fluid levels or needing to replace brake fluid more frequently
- Brakes locking simultaneously
- Contaminated Brake Fluid (due to leaking seals)