Dorman M630769 Brake Master Cylinder

Reliable Brake Master Cylinder for BMW X5 and X6

The Dorman M630769 brake master cylinder is engineered to provide consistent hydraulic pressure for your BMW X5 or X6 brake system. Designed with precision, this aluminum master cylinder ensures durability and reliable performance under demanding conditions.

• Master cylinder bore diameter: 0.875 inches for accurate hydraulic control
• Constructed from lightweight, corrosion-resistant aluminum material
• Includes two outlets with M12 x 1.0 thread size for secure brake line connections
• Rearward and secondary outlet thread diameter both M12 x 1.0 for compatibility
• Package contains the master cylinder only; reservoir and mounting hardware not included

Detailed Product Description

The Dorman M630769 brake master cylinder is specifically designed for BMW X5 and X6 models, providing a precise fit and reliable brake hydraulics performance. Its 0.875-inch bore diameter allows for optimal brake fluid pressure, ensuring responsive braking. Made from aluminum, this master cylinder offers resistance to corrosion and heat, contributing to long-term durability. The unit features two outlets with M12 x 1.0 thread pitch, accommodating standard brake line fittings for straightforward installation. Note that this product does not include a reservoir or mounting hardware, so these components must be sourced separately if needed.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure in BMW X5 and X6 brake systems
• Replaces worn or leaking master cylinders causing brake pedal sponginess
• Addresses brake fluid leaks from damaged or corroded master cylinders
• Improves brake system responsiveness and safety
• Suitable for vehicles experiencing inconsistent brake pedal feel

Installation Notes and Tips

• Ensure compatibility with your specific BMW X5 or X6 model year before installation
• Brake fluid reservoir and mounting hardware are not included and must be installed separately
• Bleed the brake system thoroughly after installation to remove air and ensure proper function
• Use appropriate tools to avoid damaging the M12 x 1.0 threaded outlets during installation

Quality Assurance and Warranty

Dorman manufactures the M630769 brake master cylinder to meet or exceed OEM specifications for fit and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or contact the manufacturer for exact warranty terms.