Raybestos MC391466 Brake Master Cylinder

Reliable Brake Master Cylinder for Ram 2500

The Raybestos Element3; New Brake Master Cylinder MC391466 is engineered to restore precise brake hydraulics for your Ram 2500. Designed with durable aluminum construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.354-inch diameter for secure installation
• 1.313-inch bore size optimized for brake fluid pressure control
• Primary port thread size: 1/2"-20 for reliable hydraulic connections
• Secondary port thread size: 7/16"-24 to fit compatible brake lines

Detailed Specifications and Features

This Raybestos brake master cylinder, part number MC391466, is specifically designed for the Ram 2500 model. The aluminum master cylinder material offers a balance of strength and corrosion resistance, essential for brake hydraulics exposed to harsh conditions. The two mounting holes, each with a diameter of 0.354 inches, provide a secure and precise fit to the vehicle’s brake system. The 1.313-inch bore size is calibrated to maintain proper hydraulic pressure, ensuring effective brake fluid transfer. Threaded ports include a primary port with 1/2"-20 thread and a secondary port with 7/16"-24 thread, compatible with standard brake line fittings.

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This product line emphasizes durability and fitment accuracy, making it suitable for professional repairs and maintenance on vehicles like the Ram 2500. The MC391466 master cylinder is part of this line, reflecting Raybestos’ commitment to quality and performance in brake system components.

Common Applications and Problem Resolution

• Restores brake hydraulic pressure for Ram 2500 brake systems
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Fixes brake fluid contamination or corrosion inside the master cylinder
• Improves overall brake system reliability and safety

Installation Notes and Tips

Ensure the mounting holes align precisely with the Ram 2500 brake system bracket using the 0.354-inch diameter holes. Verify thread compatibility for brake lines with the primary 1/2"-20 and secondary 7/16"-24 ports before installation. Properly bleed the brake system after installation to remove air and maintain hydraulic integrity. Use recommended brake fluid types compatible with aluminum master cylinders to prevent corrosion.

Quality Assurance and Warranty

Raybestos manufactures the MC391466 master cylinder to meet or exceed OEM specifications for the Ram 2500. The aluminum construction and precise machining contribute to long-term durability. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.