Centric 131.66049 Brake Master Cylinder

Overview of Centric C-TEK Standard Brake Master Cylinder

The Centric C-TEK Standard Brake Master Cylinder 131.66049 is engineered for reliable brake hydraulic performance in select GM trucks and SUVs. Designed to meet OEM specifications, this brake master cylinder is compatible with Cadillac, Chevrolet, and GMC models including the Escalade, Tahoe, Yukon, and Suburban series.

• Durable aluminum master cylinder body with a plastic reservoir
• Single removable reservoir style included
• Two mounting holes for secure installation
• Master cylinder bore diameter of 1.339 inches (34.000 mm)
• Includes master cylinder cap but excludes mounting hardware and brake booster
• Two ports with 1/2"-20 inverted flare threads for primary and secondary outlets
• Compatible with front left and rear brake lines with inverted flare fittings

Detailed Product Features and Specifications

This Centric C-TEK Standard Brake Master Cylinder features a straight bore design with a precise 1.339 inch (34 mm) bore diameter, ensuring consistent hydraulic pressure for effective braking. The aluminum construction provides strength and corrosion resistance, while the plastic reservoir is designed for durability and ease of maintenance. The single removable reservoir style allows for straightforward fluid inspection and replacement. Both primary and secondary outlet ports have 1/2"-20 inverted flare threads, matching OEM brake line fittings for a secure connection. Although mounting hardware and brake booster are not included, the unit comes with a master cylinder cap to complete the assembly.

Compatible Vehicles and Applications

This brake master cylinder is compatible with a range of GM vehicles, specifically:

• Cadillac Escalade, Escalade ESV, Escalade EXT
• Chevrolet Avalanche 1500, Suburban 1500, Suburban 2500, Tahoe
• GMC Yukon, Yukon XL 1500, Yukon XL 2500

It is designed to replace the original brake master cylinder in these models, restoring proper brake hydraulic function and safety.

Common Issues Addressed by This Brake Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid leaks from a damaged or worn master cylinder
• Reduced braking efficiency or inconsistent brake pressure
• Brake warning light activation related to master cylinder failure
• Contaminated or deteriorated brake fluid reservoir

Installation Notes and Tips

• Ensure compatibility with your specific make and model before installation
• Bleed the brake system thoroughly after installation to remove air
• Use OEM or equivalent brake fluid to maintain system integrity
• Check all connections for leaks, especially at the inverted flare ports
• Mounting hardware and brake booster must be reused or sourced separately

Quality Assurance and Warranty Information

The Centric C-TEK Standard Brake Master Cylinder 131.66049 is manufactured to meet or exceed OEM standards for fit, form, and function. Centric provides quality assurance through rigorous testing and material selection. Please refer to Centric's warranty policy for specific coverage details related to this brake master cylinder.