Raybestos MC39365 Brake Master Cylinder

Reliable Brake Master Cylinder for Jeep CJ5, CJ7, and Scrambler

The Raybestos Element3; New Brake Master Cylinder MC39365 is engineered to restore precise brake hydraulics for Jeep CJ5, CJ7, and Scrambler models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from robust iron material for long-lasting durability
• Features a 1.000-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.413 inches for secure installation
• Equipped with two ports: primary port thread 1/2"-20 and secondary port thread 9/16"-18
• Compatible specifically with Jeep CJ5, CJ7, and Scrambler brake hydraulic systems

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC39365 is part of that line, offering precise engineering and material quality tailored for Jeep vehicles. The Element3; New series emphasizes durability and fitment accuracy to support safe and effective braking systems.

Detailed Product Description

The MC39365 brake master cylinder is designed with a 1.000-inch bore size, providing the necessary hydraulic pressure for effective brake operation. Its iron construction offers strength and resistance to wear, suitable for the demanding conditions faced by Jeep CJ5, CJ7, and Scrambler models. The two mounting holes, each 0.413 inches in diameter, ensure a secure and stable fit. Additionally, the master cylinder features two ports with specific thread sizes—primary port thread 1/2"-20 and secondary port thread 9/16"-18—allowing for proper brake line connections and fluid flow.

Common Applications and Problem Solving

• Restores brake hydraulic pressure in Jeep CJ5, CJ7, and Scrambler vehicles
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Corrects brake system failures due to internal cylinder wear
• Supports brake system rebuilds requiring OEM-spec master cylinders

Installation Notes and Tips

• Verify compatibility with Jeep CJ5, CJ7, or Scrambler before installation
• Ensure mounting holes align with vehicle brake booster or firewall mounts
• Use proper thread sealant or fittings for primary and secondary ports
• Bleed the brake system thoroughly after installation to remove air
• Inspect brake lines and fittings for wear or damage during replacement

Quality Assurance and Warranty

Raybestos manufactures the MC39365 brake master cylinder to meet strict quality standards, ensuring reliable performance in brake hydraulic systems. The Element3; New product line is designed to provide consistent durability and fitment accuracy. Warranty details are provided by Raybestos and typically cover defects in material and workmanship under normal use conditions.