Dorman M630583 Brake Master Cylinder

Reliable Brake Master Cylinder for Nissan and INFINITI Vehicles

The Dorman M630583 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Nissan and INFINITI models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and responsive braking performance.

• Master cylinder bore diameter: 1.188 inches for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir and sensor for integrated brake fluid management
• Features four outlets with M12 x 1.0 thread size for secure connections
• Compatible with Nissan Armada, Titan, and INFINITI QX56 models

Product Details and Specifications

The Dorman M630583 master cylinder is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. Its 1.188-inch bore diameter is designed to deliver precise hydraulic pressure, essential for effective brake system operation. This unit includes a reservoir and sensor, allowing for seamless integration with the vehicle’s brake fluid monitoring system. The master cylinder features four outlets, each with M12 x 1.0 thread pitch, ensuring compatibility with the brake lines on Nissan Armada, Titan, and INFINITI QX56 models. This part is supplied as the master cylinder assembly without mounting hardware.

Compatible Vehicles and Applications

• Restores brake hydraulic pressure in Nissan Armada models
• Replaces worn or leaking master cylinders in Nissan Titan trucks
• Ensures proper brake fluid flow and sensor functionality in INFINITI QX56 SUVs
• Addresses issues such as spongy brake pedal feel or brake fluid leaks
• Helps resolve brake warning light activation related to master cylinder faults

Installation Notes and Tips

When installing the Dorman M630583 master cylinder, ensure the brake system is properly bled to remove air and maintain hydraulic integrity. Verify that the sensor connections are secure to enable accurate brake fluid level monitoring. Since mounting hardware is not included, retain original fasteners or source appropriate replacements. Follow manufacturer torque specifications for outlet fittings to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The M630583 master cylinder undergoes rigorous quality control to ensure durability and reliable performance. Please refer to Dorman’s warranty policy for specific coverage details.