Dorman M630625 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford E-Series Vans

The Dorman M630625 Brake Master Cylinder is engineered to restore proper brake hydraulics for Ford E-150, E-250, E-350 Super Duty, Econoline Van, and Econoline Wagon models. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Master cylinder bore diameter of 1.313 inches for accurate hydraulic performance
• Durable aluminum construction for corrosion resistance and long service life
• Includes reservoir and sensor for integrated brake fluid management
• Two outlet ports with rearward outlet size M12 x 1.5 and secondary outlet thread diameter M10 x 1.5
• Thread pitch of 1.5 for secure and proper fitting

Detailed Product Description

The Dorman M630625 brake master cylinder is crafted from aluminum, providing a lightweight yet robust component that resists corrosion and wear. Its 1.313-inch bore diameter is designed to deliver precise hydraulic pressure to the braking system, ensuring consistent pedal feel and brake response. This master cylinder comes complete with an integrated reservoir and sensor, allowing for efficient brake fluid monitoring and management. Featuring two outlets, it supports dual-circuit brake systems commonly found in Ford E-Series vans. The rearward outlet and secondary outlet thread sizes (M12 x 1.5 and M10 x 1.5 respectively) ensure compatibility with factory brake lines, facilitating a straightforward replacement process.

Compatible Vehicles and Applications

• Ford E-150
• Ford E-250
• Ford E-350 Super Duty
• Ford Econoline Van
• Ford Econoline Wagon

This master cylinder is specifically designed for these Ford models, making it a suitable replacement part for maintaining or restoring brake system integrity.

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 failure
• Loss of hydraulic pressure in dual-circuit brake systems

Installation Notes and Tips

When installing the Dorman M630625 master cylinder, ensure the brake system is properly bled to remove air and restore hydraulic pressure. Verify that the sensor connections are secure and compatible with the vehicle’s wiring harness. Use the correct thread pitch (1.5) to avoid cross-threading the outlet fittings. Although mounting hardware is not included, the unit is designed to fit directly into the factory mounting points on compatible Ford E-Series vans.

Quality Assurance and Warranty

Dorman brake master cylinders are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. This product includes a limited warranty against defects in materials and workmanship, ensuring confidence in your replacement part.