Raybestos MC391181 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet and GMC Trucks

The Raybestos Element3; New Brake Master Cylinder MC391181 is engineered to restore precise brake hydraulics for Chevrolet Canyon and GMC Colorado models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.060-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a 0.343-inch diameter for secure installation
• Equipped with two ports, both with M12x1.5 thread size for compatibility
• Compatible with Chevrolet Canyon and GMC Colorado vehicles

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards. This brake master cylinder is part of that line, offering precise engineering and materials designed to maintain brake system integrity and performance for Chevrolet and GMC trucks.

Detailed Product Description

The MC391181 brake master cylinder is crafted from aluminum, providing a balance of strength and corrosion resistance essential for brake hydraulics. Its 1.060-inch bore size is calibrated to deliver the correct hydraulic pressure needed for effective braking. The unit features two mounting holes, each with a diameter of 0.343 inches, ensuring a secure and stable fit. Additionally, it includes two ports with M12x1.5 threading, compatible with standard brake lines used in Chevrolet Canyon and GMC Colorado models. This part number MC391181 is designed specifically for these vehicles, ensuring proper fit and function.

Common Applications and Issues Addressed

• Restores brake pressure loss due to worn or damaged master cylinder
• Eliminates spongy or unresponsive brake pedal feel
• Resolves brake fluid leaks from the master cylinder area
• Improves overall brake system reliability and safety
• Replaces corroded or cracked master cylinder housing

Installation Notes and Tips

When installing the Raybestos MC391181 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the correct torque specifications for the 0.343-inch diameter mounting holes to avoid damage. Verify that brake lines with M12x1.5 threaded fittings are properly connected to the primary and secondary ports. Bleed the brake system thoroughly after installation to remove air and restore full hydraulic pressure.

Quality Assurance and Warranty

Raybestos manufactures the MC391181 brake master cylinder to meet stringent quality standards, using durable aluminum material for long-lasting performance. This part is backed by Raybestos’ quality assurance protocols, ensuring it meets OEM fit and function requirements. Warranty details are provided by Raybestos and should be confirmed at the time of purchase.