Raybestos MC39366 Brake Master Cylinder

Overview of Raybestos Element3; New Brake Master Cylinder MC39366

The Raybestos Element3; New Brake Master Cylinder MC39366 is designed specifically for Jeep CJ5, CJ7, and Scrambler models. Engineered with durable iron construction, this brake master cylinder ensures reliable brake hydraulics performance for your vehicle.

• Constructed from robust iron material for long-lasting durability
• Features a 1.000-inch bore size for precise hydraulic pressure control
• Includes two mounting holes with a diameter of 0.413 inches for secure installation
• Equipped with two ports: primary port thread 1/2"-20 and secondary port thread 9/16"-18
• Compatible with Jeep CJ5, CJ7, and Scrambler brake hydraulic systems

Detailed Product Description

The MC39366 brake master cylinder from Raybestos is part of the Element3; New product line, which focuses on delivering reliable brake hydraulics components with precise engineering. This master cylinder is made from iron, providing strength and resistance to wear under demanding conditions. The 1.000-inch bore size is designed to maintain consistent hydraulic pressure, essential for effective braking performance. With two mounting holes sized at 0.413 inches in diameter, installation is straightforward and secure. The unit includes two ports with specific thread sizes—primary port thread 1/2"-20 and secondary port thread 9/16"-18—ensuring compatibility with the brake lines on Jeep CJ5, CJ7, and Scrambler models.

Common Applications and Issues Addressed

• Replacement for worn or leaking brake master cylinders on Jeep CJ5, CJ7, and Scrambler
• Restores proper hydraulic pressure for improved brake pedal feel and response
• Solves issues related to brake fluid leaks from damaged or corroded master cylinders
• Addresses inconsistent braking performance due to internal cylinder wear
• Helps eliminate spongy or soft brake pedal problems caused by master cylinder failure

Installation Notes and Tips

• Ensure compatibility with Jeep CJ5, CJ7, or Scrambler before installation
• Check mounting hole alignment and thread sizes to match existing brake lines
• Bleed the brake system thoroughly after installation to remove air and ensure proper hydraulic function
• Inspect brake fluid condition and replace if contaminated during installation
• Use appropriate tools to avoid damaging port threads during connection

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet strict quality standards for brake hydraulics components. The iron construction and precise bore sizing contribute to consistent performance and durability. While specific warranty details for part number MC39366 should be confirmed with the supplier, Raybestos products typically come with coverage against manufacturing defects to provide confidence in your purchase.