Dorman M630047 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder M630047

The Dorman Brake Master Cylinder M630047 is designed for reliable brake hydraulics performance in select Ford and Mazda trucks. This master cylinder includes a reservoir and sensor, engineered to meet the specific needs of Ford Ranger and Mazda B-series models.

• Master cylinder bore diameter: 1.063 inches
• Constructed from durable aluminum material
• Includes reservoir and sensor for integrated brake system monitoring
• Two outlet ports with rearward outlet size M12 x 1.0 and secondary outlet thread diameter 10 mm
• Thread pitch of 1.0 for secure fitting
• Mounting hardware not included

Detailed Product Description

This Dorman brake master cylinder (part number M630047) is crafted from aluminum to provide corrosion resistance and long service life. The 1.063-inch bore diameter ensures proper hydraulic pressure for effective braking. It comes with an integrated reservoir and sensor, allowing for fluid level monitoring and system diagnostics. The unit features two outlets, including a rearward outlet sized M12 x 1.0 and a secondary outlet with a 10 mm thread diameter, designed to fit the brake lines of compatible vehicles precisely. The thread pitch of 1.0 ensures a secure and leak-free connection. This master cylinder is compatible with Ford Ranger and Mazda B2300, B3000, and B4000 models, making it a suitable replacement for brake hydraulic system repairs on these trucks.

Common Applications and Issues Addressed

• Restores proper brake fluid pressure for improved braking response
• Replaces worn or leaking master cylinders causing brake fluid loss
• Resolves brake warning light issues related to sensor failure
• Addresses spongy or unresponsive brake pedal feel
• Fixes brake fluid reservoir leaks or cracks

Installation Notes and Tips

• Ensure brake system is properly bled after installation to remove air
• Verify thread pitch and outlet sizes match vehicle brake lines before installation
• Mounting hardware is not included; reuse existing hardware or source separately
• Check sensor connections for proper fit and function
• Follow vehicle-specific service manual instructions for master cylinder replacement

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit and function. The aluminum construction provides durability and corrosion resistance. This part includes a sensor and reservoir to maintain system integrity. While mounting hardware is not included, the product is designed for direct replacement on compatible Ford Ranger and Mazda B-series trucks. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.