Dorman M630230 Brake Master Cylinder

Overview of Dorman Brake Master Cylinder for Mazda 626

The Dorman M630230 brake master cylinder is designed specifically for Mazda 626 models, providing reliable brake hydraulics performance. This aluminum master cylinder includes a reservoir and sensor, engineered to meet the demands of your vehicle's braking system.

• Master cylinder bore diameter: 1 inch
• Constructed from durable aluminum material
• Includes reservoir for fluid storage
• Equipped with a sensor for system monitoring
• Three outlet ports with rearward outlet size M10 x 1.0
• Secondary outlet thread diameter of 10 mm with 1.0 thread pitch

Detailed Product Description

The Dorman M630230 brake master cylinder is crafted from aluminum to ensure strength and corrosion resistance, essential for maintaining brake system integrity. Its 1-inch bore diameter supports consistent hydraulic pressure, while the included reservoir allows for proper brake fluid containment. The unit features three outlets, including a rearward outlet sized M10 x 1.0, and a secondary outlet with a 10 mm thread diameter, both designed to fit precisely with the Mazda 626 brake lines. Additionally, the integrated sensor helps monitor brake fluid levels or system status, contributing to safer vehicle operation.

Compatible Applications and Common Issues Addressed

• Replacement for worn or leaking brake master cylinders on Mazda 626
• Resolves brake fluid reservoir leaks or damage
• Addresses inconsistent brake pedal feel due to master cylinder wear
• Fixes brake warning light issues related to sensor malfunction
• Restores proper hydraulic pressure for effective braking

Installation Notes and Tips

Installation of the Dorman M630230 brake master cylinder requires careful attention to brake line connections, especially the three outlet ports with specific thread sizes. Ensure the rearward outlet (M10 x 1.0) and secondary outlet (10 mm thread diameter) are properly tightened to avoid leaks. Bleeding the brake system after installation is necessary to remove air and restore full braking performance. Note that mounting hardware is not included and must be reused or sourced separately.

Quality Assurance and Warranty

Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for the Mazda 626. The aluminum construction and integrated sensor contribute to long-term durability and reliable operation. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in materials and workmanship.