Dorman M630480 Brake Master Cylinder

Reliable Brake Master Cylinder for Kia Spectra

The Dorman M630480 Brake Master Cylinder is engineered to restore proper brake hydraulics for your Kia Spectra. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Master cylinder bore diameter: 0.875 inches for accurate fluid displacement
• Constructed from durable aluminum material for corrosion resistance
• Includes reservoir for brake fluid storage
• Equipped with a sensor to monitor brake system status
• Two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0

Product Details and Specifications

This Dorman brake master cylinder features a 0.875-inch bore diameter, which is critical for maintaining the correct hydraulic pressure in the brake system of your Kia Spectra. The aluminum construction offers strength and resistance to corrosion, extending the service life of the component. The included reservoir allows for proper brake fluid containment, while the integrated sensor provides feedback to the vehicle’s brake system for enhanced safety. The master cylinder has two outlets, including a secondary outlet with a 10 mm thread diameter and a rearward outlet sized M10 x 1.0, both with a thread pitch of 1.0, ensuring compatibility with the brake lines on the Kia Spectra.

Common Applications and Problem Resolution

• Restores brake fluid pressure for consistent braking performance
• Replaces worn or leaking master cylinders causing brake pedal issues
• Addresses brake warning light activation due to sensor faults
• Fixes brake fluid leaks from damaged or corroded master cylinders
• Improves brake system reliability and safety on Kia Spectra models

Installation Notes and Tips

When installing the Dorman M630480 brake master cylinder, ensure the brake fluid reservoir is properly filled and free of contaminants. Bleed the brake system thoroughly to remove air pockets and verify that all connections to the two outlets are secure with the correct thread pitch of 1.0. Since mounting hardware is not included, retain original fasteners or acquire appropriate replacements. Proper sensor connection is essential for accurate brake system monitoring.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for the Kia Spectra. The aluminum construction and integrated sensor contribute to long-term durability and reliable performance. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in materials and workmanship.