Raybestos MC391175 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet Cobalt and Pontiac G5

The Raybestos Element3; New Brake Master Cylinder MC391175 is designed to restore precise brake hydraulics for Chevrolet Cobalt and Pontiac G5 models. Engineered with durable aluminum and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.354-inch diameter for secure installation
• Bore size of 0.875 inches for optimal hydraulic pressure
• Two ports with M12x1 thread size for primary and secondary connections
• Compatible with Chevrolet Cobalt and Pontiac G5 brake systems

Product Line Overview: Raybestos Element3; New

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This brake master cylinder is part of that line, offering improved durability and fitment accuracy for specific vehicle applications such as the Chevrolet Cobalt and Pontiac G5.

Detailed Product Description

This brake master cylinder (part number MC391175) features an aluminum body that resists corrosion and reduces weight compared to traditional cast iron units. It includes two mounting holes sized at 0.354 inches in diameter, ensuring a secure and stable fit. The 0.875-inch bore size is designed to provide the correct hydraulic pressure for the brake system. Both primary and secondary ports use M12x1 threading, allowing for straightforward connection to brake lines. This part is engineered specifically for Chevrolet Cobalt and Pontiac G5 models, ensuring compatibility and reliable brake system operation.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure in Chevrolet Cobalt and Pontiac G5 vehicles
• 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

• Verify vehicle compatibility with Chevrolet Cobalt or Pontiac G5 before installation
• Ensure mounting holes align properly with existing brake system mounts
• Use appropriate brake fluid and bleed the system thoroughly after installation
• Check port threads (M12x1) for proper brake line fitting
• Follow manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.