Raybestos MC391245 Brake Master Cylinder

Reliable Brake Master Cylinder for Pontiac G8

The Raybestos Element3; New Brake Master Cylinder MC391245 is engineered to restore precise brake hydraulics for your Pontiac G8. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent brake performance and safety.

• Compatible with Pontiac G8 models
• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.343-inch diameter for secure installation
• 26.000 mm bore size for optimal hydraulic pressure
• Two ports with M12x1 thread size for primary and secondary connections

Product Line Details: 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 enhanced durability and fitment accuracy for the Pontiac G8, meeting OEM specifications for brake system restoration.

Technical Description and Specifications

This brake master cylinder features an aluminum body that provides strength while reducing weight and resisting corrosion. It includes two mounting holes, each with a diameter of 0.343 inches, ensuring a secure and stable fit. The 26.000 mm bore size is designed to deliver the correct hydraulic pressure for effective braking. Both the primary and secondary ports use M12x1 thread sizes, compatible with standard brake line fittings on the Pontiac G8. The part number MC391245 identifies this specific master cylinder within the Raybestos Element3; New product line.

Common Applications and Problem Resolution

• Restores brake hydraulic pressure in Pontiac G8 vehicles
• Replaces worn or leaking master cylinders causing brake fluid loss
• Addresses spongy or unresponsive brake pedal issues
• Fixes brake system failures related to internal cylinder wear
• Improves overall brake system reliability and safety

Installation Notes and Tips

Ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the correct M12x1 threaded brake lines for both primary and secondary ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic function. Verify bore size compatibility with your Pontiac G8’s brake system specifications before installation.

Quality Assurance and Warranty

Raybestos manufactures the MC391245 brake master cylinder to meet stringent quality standards, ensuring reliable performance and durability. The Element3; New line is designed to meet or exceed OEM requirements. Warranty details should be confirmed with the product documentation or supplier.