ACDelco Professional 18M2539 Brake Master Cylinder Assembly
- Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality.
- Pressure tested to ensure safe and confident braking.
- no extra stress on the brake boosting mounting.
- Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit.
- Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear.
- Cast iron and aluminum specifications provide no extra stress on the brake boosting mounting.