Dorman M630880 Brake Master Cylinder

Reliable Brake Master Cylinder for Pontiac G8

The Dorman M630880 brake master cylinder is engineered to restore proper brake hydraulics for your Pontiac G8. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Master cylinder bore diameter: 26 mm for optimal fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• 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
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

This Dorman brake master cylinder (part number M630880) is specifically designed for the Pontiac G8, ensuring compatibility and proper fitment. The 26 mm bore diameter provides the correct fluid displacement needed for effective brake operation. Made from aluminum, the master cylinder offers durability and resistance to corrosion, extending the service life of your brake system. The included removable reservoir simplifies brake fluid inspection and replacement, while the integrated sensor helps monitor fluid levels to maintain safety. Featuring two outlets with M12 x 1.0 thread pitch, this master cylinder supports secure and leak-free hydraulic connections.

Common Applications and Problem Resolution

• Restores brake pressure in vehicles experiencing soft or spongy brake pedal feel
• Replaces master cylinders with leaking or damaged reservoirs
• Addresses brake fluid level sensor malfunctions
• Fixes brake system failures caused by worn or corroded master cylinders
• Improves overall brake responsiveness and safety on Pontiac G8 models

Installation Notes and Tips

Installation of the Dorman M630880 brake master cylinder requires basic brake system knowledge and tools. Since mounting hardware is not included, retain original hardware or source compatible fasteners. Ensure all brake lines are properly connected to the M12 x 1.0 threaded outlets and torque to manufacturer specifications. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. Verify sensor connections for accurate brake fluid level monitoring.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable performance and durability. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship to provide confidence in your purchase.