Dorman M630945 Brake Master Cylinder

Reliable Brake Master Cylinder for 2000 Chrysler Jeep Cherokee

The Dorman M630945 brake master cylinder is engineered to restore proper brake hydraulics in your 2000 Chrysler Jeep Cherokee. Designed with durable cast iron and equipped with a removable reservoir, this master cylinder ensures consistent brake fluid delivery and reliable stopping power.

• Master cylinder bore diameter: 1.0625 inches for precise hydraulic pressure
• Constructed from cast iron for strength and durability
• Includes a removable reservoir for easy maintenance
• Equipped with a sensor to monitor brake fluid levels
• Two outlets with M12 x 1.0 thread pitch for secure connections
• Rearward outlet and secondary outlet both sized M12 x 1.0
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

This Dorman brake master cylinder (part number M630945) is specifically designed for brake hydraulics systems in the 2000 Chrysler Jeep Cherokee. The cast iron construction provides a robust and corrosion-resistant body, while the 1.0625-inch bore diameter ensures proper hydraulic pressure for effective braking. The included removable reservoir simplifies brake fluid inspection and replacement, and the integrated sensor helps monitor fluid levels to maintain system safety. Featuring two outlets with standardized M12 x 1.0 threads, this master cylinder allows for secure and leak-free connections to the brake lines.

Applications and Common Issues Addressed

• Restores brake fluid pressure in vehicles with worn or leaking master cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Resolves brake fluid leaks from the master cylinder reservoir or outlets
• Addresses brake warning light activation due to sensor faults
• Improves overall brake system reliability in 2000 Chrysler Jeep Cherokee models

Installation Notes and Tips

Installation of the Dorman M630945 brake master cylinder requires careful attention to brake system bleeding procedures to avoid air entrapment. Since mounting hardware is not included, retain or source compatible fasteners for secure installation. Ensure all brake lines are properly connected to the M12 x 1.0 threaded outlets and check for leaks after installation. The removable reservoir design facilitates fluid replacement during installation or maintenance.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for the 2000 Chrysler Jeep Cherokee. The cast iron material and integrated sensor contribute to long-term durability and reliable performance. While specific warranty details should be confirmed at the point of purchase, Dorman typically offers limited warranties covering defects in materials and workmanship.