Raybestos MC39017 Brake Master Cylinder

Reliable Brake Master Cylinder for Chevrolet and GMC Trucks

The Raybestos Element3; New Brake Master Cylinder MC39017 is engineered to restore precise brake hydraulics in select Chevrolet and GMC heavy-duty trucks. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for models like the Chevrolet C30 and GMC K3500.

• Constructed from robust iron material for long-lasting durability
• Features a 1.313-inch bore size for optimal hydraulic pressure
• Includes two mounting holes with a 0.433-inch diameter for secure installation
• Equipped with two ports: primary port thread 1/2"-20 and secondary port thread 9/16"-18
• Compatible with Chevrolet and GMC models including C30, C3500, G30, K30, K3500, P30, and P3500

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 standards. This brake master cylinder MC39017 is part of that line, offering precise engineering and material quality tailored for heavy-duty truck applications. The Element3; New series emphasizes durability and fitment accuracy to support safe braking systems in Chevrolet and GMC trucks.

Detailed Product Description

The MC39017 brake master cylinder is designed with a 1.313-inch bore size to provide the correct hydraulic pressure needed for effective braking. Its iron construction offers strength and resistance to wear, essential for the demanding conditions faced by trucks like the GMC G30 and Chevrolet P3500. The two mounting holes, each with a diameter of 0.433 inches, ensure a secure and stable fit. Additionally, the master cylinder features two ports with specific thread sizes—primary port thread 1/2"-20 and secondary port thread 9/16"-18—allowing for proper connection to the brake lines.

Common Applications and Issues Addressed

• Restores brake hydraulic pressure in Chevrolet C30 and GMC K3500 trucks
• Replaces worn or leaking master cylinders causing brake fluid loss
• Solves spongy or unresponsive brake pedal issues
• Addresses brake system failure due to internal seal wear
• Improves overall brake system reliability in heavy-duty truck models

Installation Notes and Tips

Ensure the vehicle is securely supported before beginning installation. Verify that the mounting hole spacing and diameter match the existing setup on your Chevrolet or GMC truck. Use proper thread sealant on the primary and secondary port threads (1/2"-20 and 9/16"-18) to prevent leaks. Bleed the brake system thoroughly after installation to remove air and restore full braking function.

Quality Assurance and Warranty

Raybestos manufactures the MC39017 brake master cylinder to meet stringent quality standards, ensuring reliable performance in brake hydraulics. This part is backed by Raybestos' quality assurance protocols. Please refer to Raybestos documentation for specific warranty details related to the Element3; New product line.