Raybestos MC391151 Brake Master Cylinder

Overview of Raybestos MC391151 Brake Master Cylinder

The Raybestos Element3; New Brake Master Cylinder MC391151 is designed specifically for Kia Spectra and Spectra5 models. Engineered with precision, this aluminum master cylinder ensures reliable brake hydraulics performance tailored to your vehicle's needs.

• Constructed from durable aluminum for corrosion resistance
• Two mounting holes with 0.343-inch diameter for secure installation
• 0.938-inch bore size optimized for Kia Spectra brake systems
• Four ports with M10x1 thread size for primary and secondary connections
• Compatible with Kia Spectra and Spectra5 models

Detailed Product Features and Specifications

This Raybestos brake master cylinder (part number MC391151) features an aluminum body that offers strength and longevity while resisting rust and wear. The unit includes two mounting holes, each with a diameter of 0.343 inches, ensuring a precise fit on the brake system assembly. The bore size of 0.938 inches is designed to match the hydraulic requirements of Kia Spectra and Spectra5 vehicles, providing consistent brake fluid pressure. Additionally, the master cylinder has four ports, with both primary and secondary port threads sized at M10x1, facilitating secure brake line connections.

About the Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes material quality and precise engineering, making it suitable for replacement parts like the MC391151 brake master cylinder. The Element3; New series is intended to provide consistent performance and durability for vehicles such as the Kia Spectra and Spectra5.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders on Kia Spectra and Spectra5
• Restores proper hydraulic pressure for improved brake responsiveness
• Addresses brake fluid leaks caused by damaged ports or seals
• Eliminates spongy brake pedal feel due to internal cylinder wear
• Ensures secure mounting with correct hole quantity and diameter

Installation Notes and Tips

When installing the Raybestos MC391151 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake assembly. Use the specified 0.343-inch diameter holes for secure attachment. Verify that the M10x1 threaded ports match the brake line fittings to prevent leaks. Bleed the brake system thoroughly after installation to remove air and maintain optimal hydraulic pressure.

Quality Assurance and Warranty

Raybestos manufactures the MC391151 brake master cylinder to meet stringent quality standards. The aluminum construction and precise machining contribute to long-term reliability. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed warranties covering defects in materials and workmanship.