ACDelco 18M2665 Professional Brake Master Cylinder Assembly

The ACDelco 18M2665 Professional Brake Master Cylinder Assembly is a premium aftermarket replacement component designed to restore reliable braking performance to your vehicle. This complete assembly is engineered to meet or exceed OEM specifications for fit, form, and function, making it an ideal replacement for many vehicles on the road today.

Key Features:

• Constructed with durable aluminum and iron castings for long-lasting performance
• Features EPDM (Ethylene Propylene) and SBR (Styrene Butadiene) rubber components for superior resistance to heat, corrosion, and leakage
• Ready to bench bleed and install right out of the box - no assembly required
• Pressure tested to ensure safe and confident braking operation
• Meets brake performance requirements of SAE J1153 and J1154 testing standards
• Geometrical tolerance ensures proper fit between body and plastic reservoir
• Piston assembly and return spring help prevent brake drag and premature pad wear

ACDelco Professional (Gold) brake master cylinders convert pedal pressure to hydraulic power for operating your vehicle's brakes. This critical brake system component is manufactured to deliver the reliability and quality you expect from a trusted brand backed by General Motors engineering.