Raybestos MC391179 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet and GMC Vans

The Raybestos Element3; New Brake Master Cylinder MC391179 is engineered to restore precise brake hydraulics for Chevrolet Express 1500 and GMC Savana 1500 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Two mounting holes with 0.413-inch diameter for secure installation
• 34.000 mm bore size optimized for hydraulic pressure control
• Dual ports with M12x1 thread size for primary and secondary brake lines
• Compatible with Chevrolet Express 1500 and GMC Savana 1500

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and material quality. This brake master cylinder MC391179 is part of that line, featuring aluminum construction and exact port threading to meet OEM specifications for select Chevrolet and GMC vans.

Detailed Product Description

This brake master cylinder features a 34.000 mm bore size that provides the necessary hydraulic pressure for effective braking. The aluminum body offers resistance to corrosion and heat, contributing to long service life. With two mounting holes sized at 0.413 inches in diameter, installation is straightforward and secure. Both primary and secondary ports use M12x1 threading, ensuring compatibility with factory brake lines. The MC391179 is specifically designed for Chevrolet Express 1500 and GMC Savana 1500 models, making it a precise replacement part for maintaining brake system integrity.

Common Applications and Issues Addressed

• Restores brake pressure loss due to worn or leaking master cylinders
• Eliminates spongy or unresponsive brake pedal feel
• Replaces damaged or corroded aluminum master cylinders
• Ensures proper hydraulic fluid flow with correct port threading
• Maintains brake system safety and reliability on Chevrolet Express 1500 and GMC Savana 1500

Installation Notes and Tips

• Verify compatibility with Chevrolet Express 1500 or GMC Savana 1500 before installation
• Ensure mounting holes align properly with vehicle 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 manufactures the MC391179 brake master cylinder to meet strict quality standards, using durable aluminum material and precise machining. This part is designed to match OEM specifications for Chevrolet Express 1500 and GMC Savana 1500 models. Warranty details should be confirmed with the point of purchase or Raybestos directly.