Raybestos MC39388 Brake Master Cylinder

Reliable Brake Master Cylinder for Ford Bronco II and Ranger

The Raybestos Element3; New Brake Master Cylinder MC39388 is engineered to restore precise brake hydraulics for Ford Bronco II and Ranger models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

• Constructed from robust iron material for durability
• Two mounting holes with 0.433-inch diameter for secure installation
• Bore size of 0.938 inches for optimal hydraulic pressure
• Two ports with specific thread sizes: primary port 9/16"-18, secondary port 7/16"-24
• Compatible with Ford Bronco II and Ranger vehicles

Detailed Product Features and Specifications

This brake master cylinder features a 0.938-inch bore size, which is critical for maintaining proper hydraulic pressure in the brake system. The iron master cylinder material provides strength and resistance to wear, ensuring long-term reliability. It includes two mounting holes, each with a diameter of 0.433 inches, allowing for a secure and precise fit. The unit has two ports designed with specific thread sizes—9/16"-18 for the primary port and 7/16"-24 for the secondary port—ensuring compatibility with the brake lines of Ford Bronco II and Ranger models.

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering brake hydraulics components that meet or exceed OEM standards. This product line emphasizes material quality and precise engineering, which is evident in the MC39388 master cylinder’s iron construction and exact port threading. Element3; New parts are designed to provide reliable performance and fitment for specific vehicle applications, including Ford Bronco II and Ranger models.

Common Applications and Problem Resolution

• Restores proper brake pedal feel and hydraulic pressure
• Replaces leaking or worn master cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal issues
• Addresses brake system failure due to internal cylinder wear
• Ensures safe and consistent braking performance for Ford Bronco II and Ranger vehicles

Installation Notes and Tips

Ensure the brake system is fully depressurized before removing the old master cylinder. Verify that the mounting holes align correctly with the vehicle’s brake booster or firewall. Use the specified port thread sizes (9/16"-18 primary, 7/16"-24 secondary) to connect brake lines securely without cross-threading. After installation, bleed the brake system thoroughly to remove air and restore proper hydraulic function.

Quality Assurance and Warranty Information

The Raybestos Element3; New Brake Master Cylinder MC39388 is manufactured to meet strict quality standards for brake hydraulics. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty against defects in material and workmanship. Always consult product documentation or the manufacturer for exact warranty terms.