Dorman M630422 Brake Master Cylinder

Reliable Brake Master Cylinder for Acura and Honda Vehicles

The Dorman M630422 Brake Master Cylinder is engineered to restore proper brake hydraulics in select Acura and Honda models. Designed with precision, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Compatible with Acura TL and Honda Accord models
• Master cylinder bore diameter of 20.7 mm for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir and sensor for integrated brake system functionality
• Features two outlets with M12 x 1.0 thread size for secure connections
• Rearward outlet and secondary outlet both sized M12 x 1.0 with 1.0 thread pitch
• Package contains the master cylinder unit; mounting hardware not included

Product Details and Specifications

The Dorman M630422 brake master cylinder is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. Its 20.7 mm bore diameter is designed to deliver precise hydraulic pressure to the brake system, ensuring responsive pedal feel and braking efficiency. This unit includes an integrated reservoir and sensor, which are essential for maintaining proper brake fluid levels and monitoring system status. The master cylinder features two outlets, both with M12 x 1.0 thread size and a 1.0 thread pitch, facilitating secure and leak-free connections to the brake lines. This part is specifically compatible with Acura TL and Honda Accord models, making it a direct replacement for the original equipment.

Common Applications and Problem Resolution

• Restores brake pressure in vehicles experiencing soft or spongy brake pedal feel
• Replaces master cylinders with internal leaks or fluid contamination
• Addresses brake fluid reservoir sensor failures affecting brake warning lights
• Solves issues related to inconsistent brake pedal travel or delayed braking response
• Corrects hydraulic failures causing uneven brake application between front and rear wheels

Installation Notes and Tips

Installation of the Dorman M630422 master cylinder requires careful attention to brake system bleeding procedures to remove air and ensure proper hydraulic function. Since mounting hardware is not included, retain original fasteners or source appropriate replacements. Verify compatibility with your specific Acura TL or Honda Accord model year before installation. It is recommended to inspect brake lines and related components during replacement to ensure overall system integrity.

Quality Assurance and Warranty Information

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable long-term performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or contact the distributor for exact warranty terms related to part number M630422.