Dorman M630239 Brake Master Cylinder

Reliable Brake Master Cylinder for Mitsubishi Montero Sport

The Dorman M630239 brake master cylinder is engineered to restore proper brake hydraulics in your Mitsubishi Montero Sport. Designed with precision, this aluminum master cylinder includes a reservoir and sensor to ensure consistent brake performance.

• Master cylinder bore diameter: 1 inch for accurate hydraulic pressure
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with a sensor for brake system monitoring
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

The Dorman M630239 brake master cylinder is specifically designed for the Mitsubishi Montero Sport, providing a direct replacement for the original component. Its aluminum construction offers corrosion resistance and longevity under demanding conditions. The included reservoir allows for proper brake fluid containment, while the integrated sensor supports the vehicle’s brake monitoring system. Featuring two outlets with a secondary outlet thread diameter of 10 mm and a rearward outlet size of M10 x 1.0, this master cylinder ensures compatibility with the Montero Sport’s brake hydraulics. The 1-inch bore diameter is calibrated to maintain optimal hydraulic pressure for effective braking response.

Common Applications and Problem Resolution

• Restores brake pressure loss due to worn or damaged master cylinder
• Resolves brake fluid leaks from the master cylinder reservoir
• Addresses brake warning light activation related to sensor failure
• Improves brake pedal feel and responsiveness
• Replaces corroded or cracked aluminum master cylinders

Installation Notes and Tips

Installation of the Dorman M630239 brake master cylinder requires proper brake fluid handling and bleeding procedures to avoid air in the brake lines. Ensure the sensor connector is securely attached to maintain brake system monitoring. Verify thread pitch and outlet sizes match the vehicle’s brake lines before installation. This part does not include mounting hardware, so retain original fasteners or source replacements as needed.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides durability and resistance to corrosion. The product includes a sensor to maintain system integrity. Warranty coverage details should be confirmed with the distributor or manufacturer.