Dorman M630801 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder M630801

The Dorman Brake Master Cylinder M630801 is engineered for reliable brake hydraulics performance in Nissan TITAN vehicles. Designed with precision, this master cylinder ensures consistent brake pressure and responsiveness for safe driving.

• Compatible with Nissan TITAN models
• Dual bore diameters: 1.063 and 1.313 inches
• Constructed from durable aluminum material
• Includes removable reservoir with sensor
• Four outlet ports with M12 x 1.0 and M12 x 1.5 thread sizes
• Mounting hardware not included

Detailed Product Features and Specifications

This Dorman brake master cylinder features two bore diameters, 1.063 and 1.313 inches, to provide balanced hydraulic pressure for the front and rear brake circuits. The aluminum construction offers corrosion resistance and long service life. The included removable reservoir simplifies brake fluid maintenance and replacement. Additionally, the integrated sensor supports brake fluid level monitoring, enhancing safety. The master cylinder has four outlets with rearward outlet sizes and secondary outlet thread diameters of M12 x 1.0 and M12 x 1.5, ensuring compatibility with the Nissan TITAN brake system. Note that mounting hardware is not included with this part.

Applications and Common Repair Solutions

This brake master cylinder is designed specifically for Nissan TITAN trucks, providing a direct replacement for worn or damaged units. It addresses several brake system issues, including:

• Loss of brake pressure or spongy brake pedal feel
• Brake fluid leaks from the master cylinder or reservoir
• Brake warning light activation due to sensor faults
• Reduced braking efficiency or uneven brake application
• Corrosion or wear in the master cylinder bore

Installation Notes and Tips

When installing the Dorman M630801 brake master cylinder on a Nissan TITAN, ensure the brake system is properly bled to remove air and restore hydraulic pressure. Use compatible brake fluid as specified by the vehicle manufacturer. Since mounting hardware is not included, retain or source the correct fasteners for secure installation. Verify sensor connections for proper brake fluid level monitoring after installation.

Quality Assurance and Warranty Information

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable operation under normal driving conditions. While specific warranty details are not provided here, Dorman typically offers limited warranties on their brake hydraulics components. Consult product documentation or the manufacturer for exact warranty terms.