Raybestos MC39973 Brake Master Cylinder

Reliable Brake Master Cylinder for Mazda 626

The Raybestos Element3; New Brake Master Cylinder MC39973 is engineered to restore precise brake hydraulics for your Mazda 626. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from robust iron material for durability
• Two mounting holes with 0.344-inch diameter for secure installation
• Bore size of 0.875 inches for optimal hydraulic pressure
• Equipped with two ports featuring M10x1 and M14x1 thread sizes
• Compatible specifically with Mazda 626 models

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards. This brake master cylinder is part of that line, offering precise engineering and material quality tailored for consistent brake system performance in vehicles like the Mazda 626.

Detailed Product Description

This Raybestos MC39973 brake master cylinder is designed with an iron body to withstand the rigors of brake system pressure and heat. It features two mounting holes, each with a diameter of 0.344 inches, ensuring a secure and stable fit. The bore size of 0.875 inches is calibrated to provide the correct hydraulic pressure needed for effective braking. Additionally, the master cylinder includes two ports: a primary port with M10x1 threading and a secondary port with M14x1 threading, facilitating proper brake line connections. This part is engineered specifically for Mazda 626 models, ensuring compatibility and reliable operation.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure for Mazda 626 brake systems
• Replaces worn or leaking master cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel
• Fixes brake system failures related to master cylinder wear
• Supports brake system maintenance and safety compliance

Installation Notes and Tips

Ensure the vehicle is securely lifted and supported before beginning installation. Carefully remove the old master cylinder and inspect brake lines for wear or damage. Use proper tools to avoid damaging the mounting holes or port threads. After installation, bleed the brake system thoroughly to remove air and verify proper hydraulic pressure. Follow Mazda 626 service manual guidelines for torque specifications and safety precautions.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet strict quality standards, using durable iron materials and precise machining. While specific warranty details may vary, Raybestos products typically come with a limited warranty against defects in material and workmanship. Refer to the product packaging or Raybestos documentation for exact warranty terms.