Dorman M630875 Brake Master Cylinder

Reliable Brake Master Cylinder for Mercedes-Benz Models

The Dorman M630875 brake master cylinder is engineered to restore proper brake hydraulics in select Mercedes-Benz vehicles. Designed with a durable cast iron construction and precise bore diameter, this master cylinder ensures consistent brake fluid pressure for safe and effective braking performance.

• Master cylinder bore diameter: 0.8125 inches for accurate hydraulic control
• Constructed from cast iron for strength and durability
• Includes three outlets with M12 x 1.0 thread pitch for secure connections
• Removable reservoir type (reservoir not included)
• Compatible with multiple Mercedes-Benz models including C63 AMG, C200, C250, C300, C350, E350, E550, GLK250, GLK300, and GLK350

Product Details and Specifications

The Dorman M630875 brake master cylinder features a 0.8125-inch bore diameter, which is critical for maintaining the correct hydraulic pressure within the brake system. Manufactured from cast iron, this component offers enhanced resistance to wear and corrosion, contributing to long-term reliability. The master cylinder includes three outlets, each with an M12 x 1.0 thread pitch, including two rearward outlets, facilitating proper brake line connections. Note that the reservoir and mounting hardware are not included, allowing for compatibility with existing components in your vehicle's brake system.

Compatible Mercedes-Benz Models

This brake master cylinder is designed specifically for use in a range of Mercedes-Benz vehicles. It is compatible with the C63 AMG, C200, C250, C300, and C350 models, as well as the E350 and E550 sedans. Additionally, it fits the GLK250, GLK300, and GLK350 SUVs. Using the correct master cylinder like the Dorman M630875 ensures optimal brake system performance and safety.

Common Brake System Issues Addressed

• Brake pedal sinking or sponginess due to master cylinder wear
• Loss of hydraulic pressure causing reduced braking efficiency
• Brake fluid leaks around the master cylinder outlets
• Inconsistent brake pedal feel or delayed brake response
• Failure of the original master cylinder leading to brake system malfunction

Installation Notes and Tips

When installing the Dorman M630875 brake master cylinder, ensure the brake fluid reservoir is compatible and properly connected, as this part does not include a reservoir. Bleed the brake system thoroughly after installation to remove any air and restore proper hydraulic pressure. Verify that all outlet connections use the specified M12 x 1.0 thread pitch fittings for a secure and leak-free fit. Professional installation is recommended to maintain brake system integrity and safety.

Quality Assurance and Warranty

Dorman brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The M630875 part undergoes rigorous quality control to ensure durability and reliable performance in demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.