Dorman M630807 Brake Master Cylinder

Reliable Brake Master Cylinder for Subaru Vehicles

The Dorman M630807 brake master cylinder is designed specifically for Subaru Impreza, Legacy, and Outback models. Engineered with precision, this master cylinder ensures consistent brake fluid pressure and reliable braking performance.

• Master cylinder bore diameter: 0.938 inches for accurate hydraulic control
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

The Dorman M630807 brake master cylinder features a 0.938-inch bore diameter, providing precise hydraulic pressure for effective braking. Made from aluminum, this component offers enhanced durability and resistance to corrosion, which is critical for maintaining brake system integrity over time. The included reservoir allows for proper brake fluid containment, while the integrated sensor supports monitoring of brake system conditions. With two outlets and a secondary outlet thread diameter of 10 mm, this master cylinder is designed to meet the specific hydraulic requirements of Subaru Impreza, Legacy, and Outback models.

Compatible Subaru Models and Applications

This brake master cylinder is compatible with the following Subaru vehicles:

• Subaru Impreza
• Subaru Legacy
• Subaru Outback

It is intended for use in brake hydraulic systems requiring a master cylinder with the specified bore diameter and outlet thread sizes.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid leaks from a worn or damaged master cylinder
• Inconsistent brake pressure affecting stopping performance
• Brake warning light activation related to sensor faults
• Corrosion or wear compromising brake hydraulic integrity

Installation Notes and Tips

When installing the Dorman M630807 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air and verify that the sensor connections are secure. Use appropriate tools to avoid damaging the aluminum housing or thread fittings. This part does not include mounting hardware, so retain original fasteners or acquire compatible replacements as needed.

Quality Assurance and Warranty

Dorman brake master cylinders are manufactured to meet or exceed OEM specifications, providing reliable performance for Subaru brake systems. The M630807 part is backed by Dorman's quality standards, ensuring durability and fitment accuracy. Please refer to Dorman's official warranty policy for specific coverage details.