Centric 130.66046 Brake Master Cylinder

Overview of Centric Premium Brake Master Cylinder 130.66046

The Centric Premium Brake Master Cylinder 130.66046 is engineered for reliable brake hydraulics performance in select GM trucks and SUVs. Designed with durable aluminum construction and a plastic reservoir, this master cylinder ensures consistent braking response for vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Aluminum master cylinder body for strength and corrosion resistance
• Plastic single reservoir with removable style for easy maintenance
• Includes master cylinder cap; mounting hardware and brake booster not included
• Two mounting holes for secure installation
• Primary and secondary outlet thread size: 1/2"-20 inverted flare
• Bore diameter of 1.339 inches (34.000 mm) with straight bore type
• Compatible with multiple GM models including Cadillac Escalade EXT and Chevrolet Tahoe

Centric Premium Brake Master Cylinders Product Line

The Centric Premium Brake Master Cylinders line focuses on delivering precise hydraulic control and durability for brake systems. This product line features master cylinders constructed from high-quality materials such as aluminum and includes essential components like the reservoir and cap. The 130.66046 part exemplifies this line by combining robust construction with fitment tailored to popular GM trucks and SUVs.

Detailed Product Description

This Centric master cylinder features a straight bore design with a 1.339-inch (34 mm) diameter, providing consistent hydraulic pressure for effective braking. The aluminum body offers resistance to corrosion and wear, while the plastic reservoir is designed for durability and ease of fluid inspection. The removable reservoir style allows for straightforward servicing. Both primary and secondary outlets use 1/2"-20 inverted flare threads, ensuring compatibility with standard brake lines. The unit includes the master cylinder cap but does not come with mounting hardware, brake booster, push rod, or bleeder hoses, so these components must be sourced separately if needed.

Compatible Vehicles and Applications

• Cadillac Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500, Suburban 1500, Tahoe
• GMC Sierra 1500, Yukon, Yukon XL 1500
• Chevrolet Express 1500, Express 2500
• GMC Savana 1500, Savana 2500

This master cylinder is designed to replace worn or failing units in these models, restoring proper brake hydraulic function.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid reservoir damage or leaks
• Loss of hydraulic pressure affecting braking performance
• Corrosion or wear in the master cylinder bore
• Incompatible or damaged master cylinder caps causing fluid contamination

Installation Notes and Tips

• Verify compatibility with your specific make, model, and year before installation
• Ensure brake fluid system is properly bled after installation to remove air
• Use appropriate tools for 1/2"-20 inverted flare fittings to avoid damage
• Mounting hardware and brake booster are not included and must be reused or replaced separately
• Inspect push rod and related components for wear during installation

Quality Assurance and Warranty

Centric Premium Brake Master Cylinders are manufactured to meet or exceed OEM specifications for fit and function. The 130.66046 part undergoes rigorous quality control to ensure durability and reliable braking performance. Warranty coverage details should be confirmed with the original product documentation or supplier.