Dorman M630371 Brake Master Cylinder

Reliable Brake Master Cylinder Replacement for Your Vehicle

The Dorman M630371 Brake Master Cylinder is engineered to restore proper brake hydraulics performance in compatible vehicles. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure efficient brake fluid management and system monitoring.

• Master cylinder bore diameter of 33.3 mm for accurate hydraulic pressure
• Durable aluminum construction for corrosion resistance and longevity
• Includes reservoir and sensor for integrated brake fluid level monitoring
• Three outlets with rearward outlet sizes of 7/16-24 and 3/8-24, plus a secondary outlet thread diameter of 9/16-18
• Package contains the master cylinder unit only; mounting hardware not included

Detailed Product Features and Specifications

The Dorman M630371 brake master cylinder is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. Its 33.3 mm bore diameter is designed to deliver consistent hydraulic pressure to the brake system, ensuring responsive braking performance. The included reservoir allows for proper brake fluid storage, while the integrated sensor monitors fluid levels to alert drivers of potential issues. With three outlets, including rearward outlet sizes of 7/16-24 and 3/8-24, and a secondary outlet thread diameter of 9/16-18, this master cylinder supports complex brake line configurations commonly found in various vehicle models.

Common Applications and Problem Resolution

• Restores brake pressure in vehicles experiencing spongy or unresponsive brakes
• Replaces master cylinders with leaking or damaged reservoirs
• Addresses brake fluid level sensor malfunctions to maintain system alerts
• Corrects issues related to inconsistent hydraulic pressure delivery
• Suitable for vehicles requiring a 33.3 mm bore diameter master cylinder with multiple outlet configurations

Installation Notes and Tips

When installing the Dorman M630371 brake master cylinder, ensure the brake fluid reservoir is properly seated and all outlet connections match the vehicle’s brake line fittings. Bleed the brake system thoroughly after installation to remove air and restore optimal hydraulic function. Note that mounting hardware is not included, so retain original fasteners or acquire appropriate replacements. Verify compatibility with your vehicle’s make and model before installation to ensure proper fitment.

Quality Assurance and Warranty Information

Dorman manufactures the M630371 brake master cylinder to meet or exceed OEM standards for durability and performance. The aluminum construction and integrated sensor contribute to reliable operation over time. While specific warranty details are not provided here, Dorman products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.