Raybestos MC39308 Brake Master Cylinder

Reliable Brake Master Cylinder for GM Trucks and Cars

The Raybestos Element3; New Brake Master Cylinder MC39308 is engineered to restore proper brake hydraulics in select Buick, Cadillac, Chevrolet, GMC, Oldsmobile, and Pontiac vehicles. Designed with durable iron construction and precise bore sizing, this master cylinder ensures consistent brake fluid pressure for safe stopping performance.

• Constructed from robust iron material for durability
• 30.000 mm bore size for accurate hydraulic control
• Two mounting holes with 0.433 inch diameter for secure installation
• Two ports with primary thread 9/16"-18 and secondary thread 1/2"-20
• Compatible with a wide range of GM models including Blazer, C10, Caprice, and more

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 brake master cylinder MC39308 is part of that line, offering precise engineering and quality materials to maintain brake system integrity in various GM trucks and passenger cars.

Detailed Product Description

This brake master cylinder features a 30.000 mm bore size, which is critical for maintaining the correct hydraulic pressure in the brake system. The iron construction provides strength and resistance to wear, while the two mounting holes with a diameter of 0.433 inches ensure a secure fit. The master cylinder includes two ports: a primary port with 9/16"-18 thread and a secondary port with 1/2"-20 thread, compatible with standard brake line fittings. This part is designed specifically for use in multiple GM vehicles such as the Chevrolet Blazer, GMC C1500 Suburban, Pontiac Bonneville, and Cadillac DeVille, among others.

Common Applications and Issues Addressed

• Restores brake fluid pressure in vehicles experiencing soft or spongy brake pedal feel
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Solves inconsistent braking performance due to worn internal seals
• Addresses brake system failure symptoms in older GM trucks and cars
• Improves overall brake system reliability and safety

Installation Notes and Tips

Ensure the brake system is properly bled after installation to remove air and maintain hydraulic integrity. Verify mounting hole alignment and torque specifications to avoid leaks or misalignment. Use compatible brake lines matching the port thread sizes (9/16"-18 primary, 1/2"-20 secondary) for a secure connection. It is recommended to inspect related brake components such as brake booster and lines during replacement.

Quality Assurance and Warranty

Raybestos Element3; New brake master cylinders are manufactured to meet OEM standards for fit, form, and function. The MC39308 part number undergoes rigorous quality control to ensure durability and performance. Warranty coverage details should be confirmed with the product documentation or supplier.