Raybestos MC391510 Brake Master Cylinder

Reliable Brake Master Cylinder for Hyundai and Kia Vehicles

The Raybestos Element3; New Brake Master Cylinder MC391510 is engineered to restore precise brake hydraulics for Hyundai Optima and Kia Sonata 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 0.335-inch diameter for secure installation
• 0.938-inch bore size for optimal hydraulic pressure
• Primary and secondary port threads sized M12x1 for compatibility with brake lines
• Compatible with Hyundai Optima and Kia Sonata brake systems

Detailed Product Features and Specifications

This Raybestos brake master cylinder (part number MC391510) features a 0.938-inch bore size, which is critical for maintaining proper hydraulic pressure in the brake system. The aluminum master cylinder material offers a balance of strength and corrosion resistance, contributing to long-term durability. It includes two mounting holes, each with a diameter of 0.335 inches, ensuring a secure and precise fit during installation. Both the primary and secondary ports have M12x1 thread sizes, matching OEM brake line fittings for straightforward connection.

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 product line emphasizes material quality and precise engineering, making it suitable for replacement brake master cylinders in vehicles like the Hyundai Optima and Kia Sonata. The MC391510 part is part of this line, reflecting Raybestos's commitment to consistent performance and fitment accuracy.

Common Applications and Problem Resolution

• Restores proper brake pedal feel and hydraulic pressure
• Eliminates brake fluid leaks caused by worn or damaged master cylinders
• Resolves inconsistent braking or spongy brake pedal issues
• Addresses brake system failure symptoms related to master cylinder wear
• Ensures safe and reliable braking performance for Hyundai Optima and Kia Sonata

Installation Notes and Tips

When installing the Raybestos MC391510 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.335-inch diameter mounting holes for secure attachment. Verify that the M12x1 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.

Quality Assurance and Warranty Information

Raybestos manufactures the MC391510 brake master cylinder to meet stringent quality standards. The aluminum construction and precise machining contribute to reliable performance and durability. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed warranties covering defects in materials and workmanship.