Details
ACDelco Professional 18M230 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
Cast iron and aluminum specifications; 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
Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
Pressure tested to ensure safe and confident braking
Cast iron and aluminum specifications provide 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
ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them the high quality replacement ideal for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function.