Raybestos MC391253 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet and GMC Vans

The Raybestos Element3; New Brake Master Cylinder MC391253 is engineered to restore precise brake hydraulics in 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
• Features a 1.313-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a 0.421-inch diameter for secure installation
• Equipped with two ports, both with M12x1 thread size for compatibility
• Specifically designed for Chevrolet Express 1500 and GMC Savana 1500

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 product line emphasizes precision engineering and material quality, such as the aluminum master cylinder body found in part number MC391253, to provide consistent brake system performance and durability for specific vehicle applications.

Detailed Product Description

This brake master cylinder is crafted from aluminum, offering a balance of strength and corrosion resistance essential for brake hydraulics. The 1.313-inch bore size is calibrated to maintain proper hydraulic pressure, ensuring responsive braking. With two mounting holes measuring 0.421 inches in diameter, installation aligns precisely with factory specifications. The master cylinder includes two ports, both threaded M12x1, facilitating secure brake line connections. This part is engineered specifically for Chevrolet Express 1500 and GMC Savana 1500 vans, making it a direct replacement for the original equipment.

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
• Resolves brake fluid leaks at port connections
• Ensures proper hydraulic function in Chevrolet Express 1500 and GMC Savana 1500 brake systems

Installation Notes and Tips

• Verify compatibility with Chevrolet Express 1500 or GMC Savana 1500 before installation
• Ensure mounting holes align with vehicle brake booster or firewall mounts
• Use proper torque specifications on mounting bolts and port fittings
• Bleed the brake system thoroughly after installation to remove air
• Inspect brake lines and fittings for wear or damage during replacement

Quality Assurance and Warranty

Raybestos manufactures the MC391253 brake master cylinder to meet stringent quality standards, using durable aluminum material and precise machining. This part is backed by Raybestos' quality assurance protocols to ensure reliable performance. Please refer to Raybestos' official warranty terms for coverage details.