Dorman M630901 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder for BMW Z3

The Dorman M630901 brake master cylinder is designed specifically for BMW Z3 models, providing reliable brake hydraulics performance. Crafted from durable cast iron, this master cylinder ensures consistent braking pressure and control for your vehicle.

• Compatible with BMW Z3 models
• Master cylinder bore diameter: 0.8125 inches
• Constructed from cast iron for durability
• Includes 5 outlets with specific thread sizes
• Removable reservoir type (reservoir not included)
• Mounting hardware and sensor not included

Detailed Product Features and Specifications

The Dorman M630901 brake master cylinder features a cast iron construction that offers strength and resistance to wear, essential for maintaining brake system integrity. It has a bore diameter of 0.8125 inches, which is critical for proper hydraulic pressure generation. This master cylinder includes five outlets, with rearward outlet size specified as (3) m12 x 1.0 and secondary outlet thread diameter as (2) m12 x 1.0, ensuring compatibility with the brake lines on the BMW Z3. The reservoir type is removable, but the reservoir itself is not included, allowing for flexibility in brake system maintenance or upgrades.

Common Applications and Problem Resolution

• Replaces worn or leaking brake master cylinders on BMW Z3 vehicles
• Addresses issues with inconsistent brake pedal feel or pressure
• Resolves brake fluid leaks due to damaged master cylinder seals
• Improves brake system responsiveness and safety
• Restores proper hydraulic function in brake hydraulics

Installation Notes and Tips

Installation of the Dorman M630901 brake master cylinder requires removal of the old unit and proper connection of brake lines to the specified outlets. Since mounting hardware and sensors are not included, ensure existing components are in good condition or replaced as needed. Bleeding the brake system after installation is essential to remove air and maintain optimal brake performance. Professional installation is recommended to ensure safety and correct fitment on BMW Z3 models.

Quality Assurance and Warranty Information

Dorman brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The M630901 part undergoes rigorous quality control to ensure durability and reliable performance in brake hydraulics. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.