Raybestos MC391090 Brake Master Cylinder

Overview of Raybestos MC391090 Brake Master Cylinder

The Raybestos Element3; New brake master cylinder MC391090 is designed specifically for Kia Spectra models. Engineered with precision, this aluminum master cylinder ensures reliable brake hydraulics performance for your vehicle.

• Compatible with Kia Spectra vehicles
• Constructed from durable aluminum material
• Two mounting holes with 0.343-inch diameter
• 0.875-inch bore size for optimal hydraulic pressure
• Primary and secondary port threads sized M10x1

Detailed Product Features and Specifications

This brake master cylinder features a robust aluminum construction that offers corrosion resistance and long-lasting durability. The MC391090 includes two mounting holes, each with a diameter of 0.343 inches, ensuring secure installation. Its 0.875-inch bore size is designed to provide consistent hydraulic pressure for effective braking. Both the primary and secondary ports have M10x1 thread sizes, compatible with standard brake line fittings. This part is engineered to meet the specific requirements of Kia Spectra brake systems, maintaining proper brake fluid flow and pressure.

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise manufacturing standards. This product line emphasizes durability and fitment accuracy, making it suitable for replacement brake master cylinders like the MC391090. The Element3; New series is designed to meet or exceed OEM specifications, providing a dependable solution for maintaining brake system integrity.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure in Kia Spectra brake systems
• Replaces worn or leaking master cylinders causing brake pedal issues
• Addresses brake fluid leaks from damaged or corroded master cylinders
• Improves brake responsiveness and pedal feel
• Eliminates spongy or inconsistent brake pedal performance

Installation Notes and Tips

When installing the Raybestos MC391090 brake master cylinder, ensure the mounting holes align correctly with the vehicle’s brake booster or firewall. Use the specified 0.343-inch diameter mounting 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 restore proper hydraulic function. Follow all manufacturer torque specifications and safety procedures during installation.

Quality Assurance and Warranty Information

Raybestos manufactures the MC391090 brake master cylinder to meet stringent quality standards, ensuring reliable performance in Kia Spectra vehicles. The aluminum construction resists corrosion and wear, contributing to long service life. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.