Raybestos MC39981 Brake Master Cylinder

Reliable Brake Master Cylinder for Jeep Cherokee, Comanche, and Wagoneer

The Raybestos Element3; New Brake Master Cylinder MC39981 is engineered to restore precise brake hydraulics for select Jeep models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for your Jeep Cherokee, Comanche, or Wagoneer.

• Constructed from robust iron material for long-lasting durability
• Two mounting holes with a diameter of 0.413 inches for secure installation
• Bore size of 0.938 inches optimized for proper hydraulic pressure
• Equipped with two ports featuring 7/16"-24 and 1/2"-20 thread sizes
• Compatible with Jeep Cherokee, Comanche, and Wagoneer models

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This product line emphasizes quality materials and precise engineering, making the MC39981 brake master cylinder a suitable replacement part for maintaining the integrity of your vehicle's braking system.

Detailed Product Description

The MC39981 brake master cylinder is designed with an iron body to withstand the rigors of brake system pressure and heat. It features two mounting holes, each with a diameter of 0.413 inches, ensuring a secure and stable fit. The bore size of 0.938 inches is calibrated to provide the correct hydraulic force needed for effective braking. Additionally, the master cylinder includes two ports with specific thread sizes—7/16"-24 for the primary port and 1/2"-20 for the secondary port—allowing for proper brake line connections. This part is engineered specifically for Jeep Cherokee, Comanche, and Wagoneer models, ensuring compatibility and reliable performance.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure for Jeep Cherokee, Comanche, and Wagoneer
• Replaces worn or leaking master cylinders causing brake fluid loss
• Eliminates spongy or unresponsive brake pedal feel
• Corrects brake system failures related to master cylinder wear
• Supports safe and consistent braking performance

Installation Notes and Tips

• Verify compatibility with your specific Jeep model before installation
• Ensure mounting holes align properly with the vehicle’s brake booster
• Use appropriate thread sealant or fittings for the primary and secondary ports
• Bleed the brake system thoroughly after installation to remove air
• Inspect brake lines and related components for wear during replacement

Quality Assurance and Warranty

Raybestos manufactures the MC39981 brake master cylinder to meet stringent quality standards, using durable iron material and precise machining. 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 contact the manufacturer for exact warranty terms.