Raybestos MC39448 Brake Master Cylinder

Reliable Brake Master Cylinder for Jeep CJ5 and CJ7

The Raybestos Element3; New Brake Master Cylinder MC39448 is engineered to restore precise brake hydraulics for Jeep CJ5 and CJ7 models. Designed with durable iron construction and specific mounting features, this master cylinder ensures consistent brake performance and safety.

• Constructed from robust iron material for durability
• Two mounting holes with 0.413-inch diameter for secure installation
• Bore size of 0.938 inches for optimal hydraulic pressure
• Two ports with primary thread size 1/2"-20 and secondary thread size 9/16"-18
• Compatible with Jeep CJ5 and CJ7 brake hydraulic systems

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 specifications. This product line emphasizes quality materials and precise engineering, making the MC39448 master cylinder a suitable replacement part for maintaining the brake system integrity in Jeep CJ5 and CJ7 vehicles.

Detailed Product Description

The MC39448 brake master cylinder features an iron body designed to withstand the rigors of brake system pressure and heat. It includes two mounting holes, each with a diameter of 0.413 inches, ensuring a secure fit in the brake assembly. The bore size of 0.938 inches is calibrated to provide the correct hydraulic force needed for effective braking. With two ports, the primary port thread measures 1/2"-20 and the secondary port thread is 9/16"-18, allowing compatibility with standard brake line fittings. This master cylinder is specifically designed for Jeep CJ5 and CJ7 models, making it a precise fit for these vehicles' brake hydraulic systems.

Common Applications and Issues Addressed

• Restores brake pressure loss due to worn or damaged master cylinder
• Eliminates brake fluid leaks from faulty seals or ports
• Improves brake pedal feel and responsiveness
• Replaces corroded or cracked iron master cylinders
• Ensures proper hydraulic function in Jeep CJ5 and CJ7 brake systems

Installation Notes and Tips

When installing the MC39448 master cylinder, ensure the mounting holes align precisely with the vehicle’s brake assembly. Use the correct thread sizes for the primary and secondary ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. It is recommended to inspect brake lines and related components during installation for any signs of wear or damage.

Quality Assurance and Warranty

Raybestos manufactures the MC39448 master cylinder to meet stringent quality standards, using durable iron material and precise machining. While specific warranty details should be confirmed at the point of purchase, Raybestos products typically come with a limited warranty covering defects in material and workmanship to ensure reliability and customer confidence.