Dorman M630439 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet Impala and Monte Carlo

The Dorman M630439 Brake Master Cylinder is designed to restore proper brake hydraulics for Chevrolet Impala and Monte Carlo models. Engineered with an aluminum body and integrated reservoir and sensor, this master cylinder ensures consistent brake performance and safety.

• Master cylinder bore diameter: 1 inch for precise hydraulic pressure
• Constructed from durable aluminum material
• Includes reservoir and sensor for complete brake system integration
• Two outlets with M13 x 1.5 thread size for rearward and secondary connections
• Package contains the master cylinder only; mounting hardware not included

Product Details and Specifications

The Dorman M630439 brake master cylinder features a 1-inch bore diameter, providing the correct hydraulic pressure needed for effective braking in Chevrolet Impala and Monte Carlo vehicles. Its aluminum construction offers corrosion resistance and long-lasting durability. This master cylinder comes with an integrated reservoir and sensor, allowing for seamless monitoring and fluid management within the brake system. The two outlets, both with M13 x 1.5 thread pitch, accommodate rearward and secondary brake line connections, ensuring compatibility with factory brake hydraulics.

Compatible Vehicles and Applications

This brake master cylinder is specifically compatible with Chevrolet Impala and Monte Carlo models, making it a suitable replacement part for maintaining or restoring brake system functionality. The part number M630439 should be referenced to confirm fitment and specifications when ordering or servicing these vehicles.

• Restores brake hydraulic pressure for safe stopping
• Replaces worn or leaking master cylinders
• Addresses brake fluid reservoir leaks or sensor failures
• Solves issues with inconsistent brake pedal feel or travel
• Prevents brake system warning lights related to master cylinder sensor

Installation Notes and Tips

Installation of the Dorman M630439 brake master cylinder requires proper brake fluid handling and bleeding procedures to avoid air in the brake lines. Since mounting hardware is not included, retain original fasteners or acquire appropriate replacements. Verify thread sizes (M13 x 1.5) for brake line fittings to ensure proper connection. It is recommended to inspect related brake components during installation for overall system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The M630439 brake master cylinder undergoes rigorous quality control to ensure reliable performance. Warranty coverage details should be confirmed at the time of purchase, typically including protection against defects in material and workmanship.