Raybestos MC391544 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota and Scion Vehicles

The Raybestos Element3; New Brake Master Cylinder MC391544 is designed for precise brake hydraulics performance in select Toyota and Scion models. This master cylinder is engineered to meet the specific requirements of the Toyota Yaris, Yaris iA, and Scion iA, ensuring consistent braking response.

• Compatible with Toyota Yaris, Yaris iA, and Scion iA models
• Part number MC391544 for accurate identification
• Brake master cylinder without included dust boot, booster, or reservoir
• Does not include master cylinder cap, push rod, bleeder hoses, sensor, or mounting bracket
• Designed for brake hydraulics system replacement

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake components that meet or exceed OEM specifications. This brake master cylinder is part of that line, providing a direct replacement option for brake hydraulics in compatible Toyota and Scion vehicles. The Element3; New series emphasizes quality materials and precise manufacturing to support vehicle safety and performance.

Product Details and Attributes

The MC391544 brake master cylinder is supplied without additional components such as a dust boot, brake booster, or reservoir. This means it is intended for use with existing compatible parts or as a direct replacement where these components remain serviceable. The absence of included bleeder hoses, sensors, push rods, and mounting brackets requires verification of existing hardware during installation.

Common Applications and Problem Resolution

• Restores proper hydraulic pressure in Toyota Yaris and Scion iA brake systems
• Addresses brake pedal sinking or sponginess due to master cylinder wear
• Eliminates brake fluid leaks originating from a failing master cylinder
• Improves brake responsiveness and pedal feel in affected vehicles
• Replaces damaged or corroded master cylinder components

Installation Notes and Tips

Installation of the Raybestos MC391544 brake master cylinder requires removal of the old unit and careful handling of brake fluid to avoid contamination. Since this part does not include a reservoir or booster, ensure these components are inspected and compatible before installation. Bleeding the brake system thoroughly after installation is essential to remove air and restore proper brake function.

Quality Assurance and Warranty

Raybestos manufactures the MC391544 brake master cylinder to meet industry standards for durability and performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. Verify warranty terms with the product documentation or supplier.