Raybestos MC391078 Brake Master Cylinder

Reliable Brake Master Cylinder for Kia Magentis and Optima

The Raybestos Element3; New Brake Master Cylinder MC391078 is engineered to restore precise brake hydraulics for Kia Magentis and Optima 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 1.000-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with 0.343-inch diameter for secure installation
• Equipped with two ports, both with M10x1 thread size for compatibility
• Specifically designed for Kia Magentis and Optima brake systems

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with precise engineering and quality materials. This product line emphasizes durability and fitment accuracy, making it suitable for replacement brake master cylinders like the MC391078, which meets OEM specifications for Kia vehicles.

Detailed Product Description

The MC391078 brake master cylinder is crafted from aluminum to provide a balance of strength and corrosion resistance, essential for long-term brake system reliability. Its 1.000-inch bore size is calibrated to maintain proper hydraulic pressure, ensuring responsive braking. The two mounting holes, each with a diameter of 0.343 inches, allow for a secure and stable fit on compatible Kia Magentis and Optima models. Additionally, the master cylinder features two ports with M10x1 threading, facilitating straightforward connection to brake lines and maintaining system integrity.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure in Kia Magentis and Optima vehicles
• Replaces worn or leaking master cylinders causing brake fluid loss
• Solves spongy or unresponsive brake pedal feel
• Addresses brake system failure due to internal seal wear
• Improves overall brake system safety and reliability

Installation Notes and Tips

• Ensure compatibility with Kia Magentis and Optima models before installation
• Use proper torque specifications on the two mounting holes to avoid damage
• Bleed the brake system thoroughly after installation to remove air
• Inspect brake lines and fittings for wear or damage during replacement
• Follow manufacturer guidelines for brake fluid type and maintenance

Quality Assurance and Warranty

Raybestos maintains strict quality control standards for the Element3; New line, including the MC391078 brake master cylinder. Manufactured with precision materials and tested for durability, this part meets or exceeds OEM requirements. Warranty details should be confirmed with the point of purchase or Raybestos directly to ensure coverage specifics.