Raybestos MC391089 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC391089

The Raybestos Element3; New Brake Master Cylinder MC391089 is engineered for reliable brake hydraulics performance in Toyota Echo models. Designed with precision, this aluminum master cylinder ensures consistent braking pressure and durability.

• Compatible with Toyota Echo vehicles
• Constructed from durable aluminum material
• Two mounting holes with 0.374-inch diameter for secure installation
• Bore size of 0.813 inches for optimal hydraulic function
• Primary and secondary port threads sized M10x1 for standard brake line connections

Product Line Details: Raybestos Element3; New

The Element3; New line by Raybestos focuses on delivering dependable brake hydraulics components with modern materials and precise manufacturing. This product line emphasizes quality and fitment accuracy, making it suitable for replacement brake master cylinders like the MC391089 designed for specific vehicle applications such as the Toyota Echo.

Technical Description and Specifications

The MC391089 brake master cylinder features an aluminum body that offers corrosion resistance and lightweight strength. It includes two mounting holes, each with a diameter of 0.374 inches, ensuring a secure and stable fit. The bore size of 0.813 inches is calibrated to provide consistent hydraulic pressure for effective braking. Both the primary and secondary ports have M10x1 thread sizes, compatible with standard brake line fittings, facilitating straightforward installation and maintenance.

Common Applications and Problem Resolution

• Replacement for worn or leaking brake master cylinders on Toyota Echo
• Restores proper brake pedal feel and hydraulic pressure
• Addresses brake fluid leaks from master cylinder ports or seals
• Corrects inconsistent or spongy brake pedal response
• Improves overall brake system reliability and safety

Installation Notes and Tips

When installing the Raybestos MC391089 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.374-inch diameter mounting holes for secure attachment. Verify that brake lines match the M10x1 thread size on both primary and secondary ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and ensure optimal hydraulic performance.

Quality Assurance and Warranty

Raybestos manufactures the Element3; New brake master cylinder MC391089 to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides durability and resistance to corrosion. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship.