Raybestos MC681 Brake Master Cylinder

Reliable Brake Master Cylinder for Precise Hydraulic Control

The Raybestos Element3; New Brake Master Cylinder MC681 is engineered to provide consistent brake hydraulics performance. Designed with three ports and specific thread sizes, this master cylinder supports accurate fluid distribution for safe braking operation.

• Three ports for versatile brake line connections
• Primary port thread size: 1/2"-20
• Secondary port thread size: 1/8"-27 NPT
• Part number MC681 for easy identification and replacement
• Compatible with various vehicle makes and models requiring these specifications

Detailed Features and Specifications

This brake master cylinder features three ports, allowing for efficient brake fluid routing in hydraulic brake systems. The primary port thread is sized at 1/2"-20, while the secondary port thread is 1/8"-27 NPT, ensuring compatibility with standard brake line fittings. The Raybestos Element3; New line focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards, making the MC681 a suitable replacement part for vehicles requiring these exact thread specifications and port configurations.

Applications and Problem Solving

• Restores proper brake fluid pressure in vehicles with worn or leaking master cylinders
• Eliminates brake pedal sponginess caused by internal cylinder wear
• Addresses brake fluid leaks at the master cylinder ports
• Improves brake system responsiveness and safety
• Compatible with vehicles requiring a 3-port brake master cylinder with specified thread sizes

Installation Notes and Tips

• Verify thread sizes (1/2"-20 primary, 1/8"-27 NPT secondary) before installation
• Ensure brake lines are properly connected to corresponding ports to avoid leaks
• Bleed the brake system thoroughly after installation to remove air
• Use appropriate tools to avoid damaging port threads during installation

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet stringent quality standards. The MC681 part undergoes rigorous testing to ensure durability and reliable hydraulic performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship, supporting professional-grade repair confidence.