Raybestos MC391173 Brake Master Cylinder

Reliable Brake Master Cylinder for Pontiac and Toyota Models

The Raybestos Element3; New Brake Master Cylinder MC391173 is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed specifically for select Pontiac and Toyota models, this master cylinder ensures precise brake fluid control and reliable stopping power.

• Constructed from durable aluminum for corrosion resistance and lightweight performance
• Features a bore size of 0.875 inches for optimal hydraulic pressure
• Includes two mounting holes with a diameter of 0.354 inches for secure installation
• Equipped with two ports, both with M10x1 thread size for compatibility with brake lines
• Compatible with Pontiac and Toyota models including Corolla, Matrix, and Vibe

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder is part of that line, offering precise engineering and quality materials to maintain brake system integrity and performance for your Pontiac or Toyota vehicle.

Product Details and Specifications

The MC391173 brake master cylinder is crafted from aluminum, providing a balance of strength and corrosion resistance essential for brake hydraulics. It features a bore size of 0.875 inches, which is critical for generating the correct hydraulic pressure needed for effective braking. The unit includes two mounting holes, each with a diameter of 0.354 inches, ensuring a secure fit during installation. Additionally, it has two ports with M10x1 threading, compatible with standard brake lines used in the specified vehicle models.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure in Pontiac Corolla, Matrix, and Toyota Vibe models
• Addresses issues such as spongy brake pedal feel or reduced braking efficiency
• Replaces worn or leaking master cylinders to prevent brake fluid loss
• Helps eliminate brake warning lights related to hydraulic system faults
• Improves overall brake system responsiveness and safety

Installation Notes and Tips

When installing the Raybestos MC391173 brake master cylinder, ensure the mounting holes align correctly with the vehicle’s brake booster or firewall. Use the specified 0.354-inch diameter mounting holes for a secure fit. Properly thread brake lines into the M10x1 ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore optimal hydraulic pressure.

Quality Assurance and Warranty

Raybestos manufactures the MC391173 brake master cylinder to meet stringent quality standards, ensuring durability and reliable performance. The Element3; New line components are designed to match OEM specifications. Please refer to Raybestos warranty documentation for specific coverage details.