Raybestos MC390929 Brake Master Cylinder

Reliable Brake Master Cylinder for Kia Magentis and Optima

The Raybestos Element3; New Brake Master Cylinder MC390929 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
• Two mounting holes with 0.343-inch diameter for secure installation
• 1.000-inch bore size for optimal hydraulic pressure
• Primary and secondary port threads sized M10x1 for compatibility
• Compatible with 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 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 MC390929, to provide consistent brake system performance and durability.

Detailed Product Description

This brake master cylinder features a 1.000-inch bore size, which is critical for maintaining proper hydraulic pressure in the brake system of Kia Magentis and Optima vehicles. The aluminum construction offers a balance of strength and corrosion resistance, helping to extend the service life of the component. The two mounting holes, each with a diameter of 0.343 inches, ensure a secure and stable fit during installation. Both the primary and secondary ports use M10x1 thread sizes, matching OEM specifications for seamless integration with existing brake lines.

Common Applications and Problem Resolution

• Restores brake pedal firmness and responsiveness
• Eliminates brake fluid leaks from a worn or damaged master cylinder
• Resolves inconsistent brake pressure issues
• Addresses spongy or sinking brake pedal symptoms
• Replaces faulty master cylinder components in Kia Magentis and Optima models

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain hydraulic integrity. Verify that mounting holes align correctly with the vehicle’s brake booster assembly. Use compatible brake fluid as specified by the vehicle manufacturer. Inspect port threads for damage before connecting brake lines to prevent leaks.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. Part number MC390929 undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the product documentation or supplier.