ACDelco 18M993 Professional Brake Master Cylinder Assembly

The ACDelco 18M993 Professional Brake Master Cylinder Assembly is a high-quality replacement component designed to restore reliable braking performance to your vehicle. This master cylinder features durable construction using both aluminum and iron castings, providing long-lasting performance without placing extra stress on brake booster mounting points.

Key Features:

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

ACDelco Professional brake master cylinders are manufactured to meet expectations for fit, form, and function, making them an ideal replacement for vehicles requiring dependable braking performance. Backed by ACDelco's commitment to quality, this master cylinder provides the stopping power you need with the peace of mind you deserve.