Raybestos MC391121 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC391121

The Raybestos Element3; New Brake Master Cylinder MC391121 is engineered for reliable brake hydraulics performance in Dodge Ram 1500 and 1500 Classic models. Designed with precision, this aluminum master cylinder ensures consistent braking response and durability.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.250-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.354 inches for secure installation
• Primary port thread size: 1/2"-20
• Secondary port thread size: 7/16"-24

Detailed Product Description

This brake master cylinder, part number MC391121, is specifically designed for Dodge Ram 1500 and 1500 Classic trucks, providing a direct replacement for the original component. The aluminum construction offers a balance of strength and weight savings, reducing corrosion risks common in brake hydraulics. The 1.250-inch bore size is calibrated to deliver precise hydraulic pressure, ensuring consistent brake pedal feel and stopping power. The two mounting holes, each with a 0.354-inch diameter, allow for a secure and stable fitment. Thread specifications for the primary and secondary ports (1/2"-20 and 7/16"-24 respectively) ensure compatibility with standard brake line fittings.

About the Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material quality and precise engineering to maintain vehicle safety and performance. The MC391121 master cylinder is part of this line, reflecting Raybestos' commitment to durable and consistent brake system components for Dodge Ram trucks.

Common Applications and Problem Solving

• Restores proper brake pedal pressure and responsiveness
• Replaces leaking or damaged master cylinders in Dodge Ram 1500 and 1500 Classic
• Addresses brake fluid contamination issues by providing a corrosion-resistant aluminum body
• Eliminates spongy or inconsistent brake pedal feel
• Supports brake system hydraulic integrity for safe vehicle operation

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Carefully remove the old master cylinder and inspect brake lines for wear or damage. Use the specified thread sizes (1/2"-20 primary, 7/16"-24 secondary) to connect brake lines securely. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. Verify mounting hole alignment with the 0.354-inch diameter holes for a secure fit.

Quality Assurance and Warranty

Raybestos manufactures the MC391121 brake master cylinder to meet stringent quality standards, ensuring reliable performance in Dodge Ram 1500 and 1500 Classic vehicles. The aluminum construction resists corrosion and wear, contributing to long service life. Warranty details are provided by Raybestos and typically cover defects in materials and workmanship under normal use.