ACDelco 18M2588 Professional Brake Master Cylinder Assembly

The ACDelco 18M2588 Professional Brake Master Cylinder Assembly delivers reliable hydraulic braking performance as a direct replacement for worn or failed original equipment. This premium master cylinder is engineered with both aluminum and iron castings to provide exceptional durability and heat dissipation for demanding braking conditions.

Key Features:

• Dual rubber compound construction with EPDM (Ethylene Propylene) and SBR (Styrene Butadiene) components for superior heat and corrosion resistance
• Engineered seals prevent fluid leakage and maintain consistent brake pedal feel
• Ready to install right out of the box with bench bleeding capability
• Aluminum and iron casting construction ensures long-lasting performance
• Manufactured to meet or exceed OE specifications for fit, form, and function
• Professional-grade quality for reliable aftermarket replacement

This master cylinder assembly requires no additional assembly and is designed for straightforward installation. The advanced rubber formulations resist brake fluid degradation and maintain sealing integrity across a wide temperature range, ensuring dependable braking performance mile after mile.