Raybestos MC390726 Brake Master Cylinder

Reliable Brake Master Cylinder for Hyundai and Kia Vehicles

The Raybestos Element3; New Brake Master Cylinder MC390726 is engineered to restore precise brake hydraulics for select Hyundai and Kia models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance for vehicles like the Hyundai Sonata and Kia Optima.

• 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 threaded M10x1 for compatibility with brake lines
• Compatible with Hyundai Magentis, Sonata, Kia Optima, XG300, and XG350 models

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards. This brake master cylinder is part of that line, offering precise engineering and material quality to maintain brake system integrity and vehicle safety. The use of aluminum material in this product line helps reduce weight while resisting corrosion, contributing to long-term durability.

Detailed Product Description

The MC390726 brake master cylinder is designed with a 1.000-inch bore size to provide the correct hydraulic pressure needed for effective braking response. Its aluminum body offers a balance of strength and corrosion resistance, essential for brake system components exposed to varying environmental conditions. The two mounting holes, each with a diameter of 0.343 inches, ensure a secure and stable fitment on compatible Hyundai and Kia models. Additionally, the master cylinder features two ports, both with M10x1 threading, allowing for straightforward connection to brake lines and ensuring leak-free operation.

Common Applications and Issues Addressed

• Restores brake pressure loss in Hyundai Sonata and Kia Optima brake systems
• Replaces worn or leaking master cylinders causing spongy brake pedal feel
• Solves brake fluid leakage issues due to damaged ports or seals
• Addresses inconsistent braking performance in Hyundai Magentis and Kia XG series
• Improves overall brake system reliability and safety

Installation Notes and Tips

Ensure the vehicle is properly supported and the brake system is depressurized before installation. Verify that the mounting hole spacing and port threads match the vehicle’s brake lines. Use appropriate brake fluid and bleed the system thoroughly after installation to remove air and restore proper brake pedal feel. Consult the vehicle’s service manual for torque specifications and detailed installation procedures.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet strict quality standards, ensuring reliable performance and durability. This part number MC390726 undergoes rigorous testing to comply with OEM specifications. Warranty coverage details should be confirmed with the product documentation or supplier.