Dorman M630825 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder for Pontiac G8

The Dorman M630825 brake master cylinder is designed specifically for the Pontiac G8, providing reliable brake hydraulics performance. This aluminum master cylinder includes a reservoir and sensor, ensuring compatibility and functionality for your vehicle's braking system.

• Master cylinder bore diameter: 26 mm
• Constructed from durable aluminum material
• Includes reservoir and sensor for complete assembly
• Two outlets with M12 x 1.0 thread size
• Rearward outlet and secondary outlet both sized M12 x 1.0
• Package contains the master cylinder only; mounting hardware not included

Detailed Product Description

The Dorman M630825 brake master cylinder is engineered to meet the specifications of the Pontiac G8 brake hydraulics system. Featuring a 26 mm bore diameter, this aluminum master cylinder offers corrosion resistance and strength for consistent brake fluid pressure. The included reservoir and sensor facilitate proper fluid monitoring and integration with the vehicle’s braking system. With two outlets threaded at M12 x 1.0, it supports the necessary brake line connections for the Pontiac G8. This part is designed to replace the original master cylinder, restoring proper brake function and safety.

Common Applications and Problem Resolution

• Restores brake fluid pressure loss due to worn or damaged master cylinder
• Resolves brake pedal sinking or sponginess issues
• Fixes fluid leaks from the master cylinder reservoir or outlets
• Addresses brake warning light activation related to sensor failure
• Replaces corroded or cracked aluminum master cylinders in Pontiac G8 models

Installation Notes and Tips

• Ensure brake system is properly bled after installation to remove air
• Verify compatibility with Pontiac G8 model year before installation
• Mounting hardware is not included; reuse original hardware or source separately
• Handle brake fluid carefully to avoid contamination and damage to painted surfaces
• Check sensor connections for secure fit and proper operation

Quality Assurance and Warranty Information

Dorman manufactures the M630825 brake master cylinder to meet or exceed OEM standards for fit and function on the Pontiac G8. The aluminum construction provides durability and resistance to corrosion. This part includes a sensor and reservoir to ensure full system compatibility. While mounting hardware is not included, the master cylinder is backed by Dorman’s quality control processes. Please refer to Dorman’s warranty policy for specific coverage details.