Dorman M630605 Brake Master Cylinder

Reliable Brake Master Cylinder for Acura MDX, RDX, and ZDX

The Dorman M630605 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Acura models. Designed with precision, this aluminum master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

Key Features of the Dorman M630605 Brake Master Cylinder

• Constructed from durable aluminum for corrosion resistance and longevity
• Master cylinder bore diameter of 0.875 inches for accurate hydraulic control
• Equipped with two outlets featuring M12 x 1.0 thread size for secure brake line connections
• Includes the master cylinder only; reservoir and mounting hardware are not included
• Compatible with Acura MDX, RDX, and ZDX models requiring this specific part number

Detailed Product Description

The Dorman M630605 Brake Master Cylinder is a critical component in the brake hydraulic system, responsible for converting pedal force into hydraulic pressure. Manufactured from aluminum, this master cylinder offers a bore diameter of 0.875 inches, which is essential for maintaining proper brake fluid flow and pressure. It features two outlets with M12 x 1.0 thread pitch, designed to connect securely to the brake lines. This part does not include a reservoir or sensor, so it is intended for applications where those components are already present or replaced separately. The M630605 is specifically designed for Acura MDX, RDX, and ZDX vehicles, ensuring compatibility and reliable performance.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure in Acura MDX, RDX, and ZDX models
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Solves brake fluid leakage issues at the master cylinder
• Addresses inconsistent brake pedal feel or reduced braking efficiency
• Supports maintenance of brake system integrity for safe vehicle operation

Installation Notes and Tips

• Ensure the brake fluid reservoir and sensors are compatible and installed separately as needed
• Bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic pressure
• Verify thread pitch (M12 x 1.0) matches brake line fittings before installation
• Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty Information

Dorman manufactures the M630605 Brake Master Cylinder to meet or exceed OEM standards for fit and function. The aluminum construction provides durability and resistance to corrosion. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.