Raybestos MC390849 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC390849

The Raybestos Element3; New Brake Master Cylinder MC390849 is engineered for reliable brake hydraulics performance on select Ford vehicles. Designed specifically for Ford E-150, E-150 Club Wagon, E-150 Econoline, and E-250 models, this aluminum master cylinder ensures consistent braking response and durability.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.250-inch bore size for precise hydraulic pressure
• Includes two mounting holes with a 0.406-inch diameter for secure installation
• Equipped with two ports: primary port thread 9/16"-18 and secondary port thread 7/16"-24
• Compatible with Ford E-150, E-150 Club Wagon, E-150 Econoline, and E-250

Detailed Product Features and Specifications

The MC390849 brake master cylinder from Raybestos is designed with an aluminum body to provide strength while reducing weight. It features a 1.250-inch bore size, which is critical for maintaining proper hydraulic pressure in the brake system. The unit includes two mounting holes, each with a diameter of 0.406 inches, ensuring a secure and precise fit. The master cylinder has two ports: the primary port with a 9/16"-18 thread and the secondary port with a 7/16"-24 thread, allowing for proper brake line connections. This part is specifically engineered for Ford E-150 series vehicles, including the Club Wagon and Econoline variants, as well as the E-250, ensuring compatibility and reliable performance.

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material quality and precise engineering, as demonstrated by the MC390849 master cylinder’s aluminum construction and exact bore sizing. Element3; New parts are designed to provide consistent braking performance and durability for vehicles requiring dependable brake system components.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders on Ford E-150 and E-250 models
• Restores proper hydraulic pressure to improve brake pedal feel and responsiveness
• Addresses brake fluid leaks caused by damaged or corroded master cylinders
• Eliminates spongy or inconsistent braking due to internal seal failure
• Supports brake system maintenance and safety compliance on Ford Econoline vans

Installation Notes and Tips

• Ensure vehicle compatibility with Ford E-150, E-150 Club Wagon, E-150 Econoline, or E-250 before installation
• Use proper tools to align and secure the two mounting holes with 0.406-inch diameter bolts
• Verify correct brake line connections using the specified port thread sizes (9/16"-18 primary, 7/16"-24 secondary)
• Bleed the brake system thoroughly after installation to remove air and ensure optimal brake performance
• Consult vehicle service manual for torque specifications and safety precautions

Quality Assurance and Warranty

Raybestos manufactures the MC390849 brake master cylinder to meet stringent quality standards, ensuring reliable operation in brake hydraulic systems. The Element3; New product line is backed by Raybestos’ commitment to durability and performance. Please refer to Raybestos’ official warranty policy for specific coverage details related to this part number.