Raybestos MC390338 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC390338

The Raybestos Element3; New Brake Master Cylinder MC390338 is engineered for reliable brake hydraulics performance in select Ford and Lincoln vehicles. Designed with precision, this aluminum master cylinder ensures consistent braking response for models like the Ford F-250, F-350, Expedition, and Lincoln Navigator.

• Constructed from durable aluminum for corrosion resistance and lightweight strength
• Features a 1.250-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.425 inches for secure installation
• Equipped with two ports: primary port thread 7/16"-24 and secondary port thread 9/16"-18
• Compatible with Ford Expedition, F-250, F-250 HD, F-350, and Lincoln Navigator

Detailed Product Description and Specifications

The MC390338 brake master cylinder from Raybestos is designed to meet the specific hydraulic requirements of heavy-duty trucks and SUVs. Its aluminum construction provides a balance of strength and corrosion resistance, essential for maintaining brake system integrity over time. The 1.250-inch bore size supports effective brake fluid displacement, ensuring consistent pedal feel and stopping power. With two mounting holes sized at 0.425 inches in diameter, this master cylinder mounts securely to the brake system assembly. The dual port design includes a primary port with a 7/16"-24 thread and a secondary port with a 9/16"-18 thread, facilitating proper brake line connections for the Ford and Lincoln models listed.

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 material quality and precise engineering, as demonstrated by the MC390338 master cylinder’s aluminum construction and exact port threading. Element3; New parts are designed to provide consistent performance and durability for demanding applications in Ford and Lincoln trucks and SUVs.

Common Applications and Problem Solving

• Restores proper brake fluid pressure in Ford F-250 and F-350 brake systems
• Replaces worn or leaking master cylinders in Lincoln Navigator brake hydraulics
• Addresses brake pedal sinking or sponginess due to master cylinder failure
• Eliminates brake fluid leaks from damaged or corroded master cylinders
• Improves overall brake system responsiveness in Ford Expedition models

Installation Notes and Tips

• Ensure compatibility with vehicle make and model before installation
• Bleed the brake system thoroughly after installation to remove air
• Use proper torque specifications for mounting bolts with 0.425-inch diameter holes
• Verify port thread sizes (7/16"-24 primary, 9/16"-18 secondary) match brake lines
• Inspect brake lines and fittings for wear or damage during replacement

Quality Assurance and Warranty

Raybestos manufactures the MC390338 brake master cylinder to meet stringent quality standards, ensuring reliable performance in brake hydraulics applications. The Element3; New product line is backed by Raybestos’ commitment to durability and fitment accuracy. Warranty details are provided by Raybestos and typically cover defects in materials and workmanship under normal use.