Raybestos MC39996 Brake Master Cylinder

Reliable Brake Master Cylinder for Toyota 4Runner and Land Cruiser

The Raybestos Element3; New Brake Master Cylinder MC39996 is engineered to restore precise brake hydraulics for Toyota 4Runner, Land Cruiser, Pickup, and T100 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from lightweight, corrosion-resistant aluminum
• Features a 1.000-inch bore size for optimal hydraulic pressure
• Includes 4 mounting holes with 0.354-inch diameter for secure installation
• Equipped with 2 ports, both with M10x1 thread size for compatibility
• Compatible with Toyota 4Runner, Land Cruiser, Pickup, and T100 models

Product Line: Raybestos Element3; New

The Element3; New line by Raybestos focuses on delivering reliable brake hydraulics components with modern materials and precise engineering. This brake master cylinder is part of that line, offering enhanced durability and fitment accuracy for Toyota vehicles requiring dependable brake system repairs.

Detailed Product Description

This brake master cylinder (part number MC39996) is crafted from aluminum to provide a balance of strength and corrosion resistance, essential for long-term brake system reliability. The 1.000-inch bore size is designed to maintain proper hydraulic pressure, ensuring responsive braking. With four mounting holes measuring 0.354 inches in diameter, installation is straightforward and secure. The two ports, both threaded M10x1, allow for seamless connection to the brake lines, matching factory specifications for Toyota 4Runner, Land Cruiser, Pickup, and T100 models.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure in Toyota 4Runner and Land Cruiser vehicles
• Replaces worn or leaking master cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel
• Fixes brake system failures related to master cylinder wear
• Supports brake system maintenance on Toyota Pickup and T100 models

Installation Notes and Tips

• Ensure compatibility with your specific Toyota model and year before installation
• Bleed the brake system thoroughly after installation to remove air
• Use proper torque settings on the 4 mounting bolts to avoid leaks or damage
• Inspect brake lines and fittings for wear or damage during replacement
• Follow manufacturer guidelines for brake fluid type and maintenance

Quality Assurance and Warranty

Raybestos manufactures the MC39996 brake master cylinder to meet or exceed OEM standards for fit, form, and function. The aluminum construction provides corrosion resistance and durability under normal operating conditions. While specific warranty details should be confirmed at purchase, Raybestos products typically include coverage against defects in materials and workmanship to ensure reliable service life.