Centric 131.66056 Brake Master Cylinder

Reliable Brake Master Cylinder for GM Trucks and SUVs

The Centric C-TEK Standard Brake Master Cylinder 131.66056 is engineered to restore proper brake hydraulics in select Cadillac, Chevrolet, and GMC vehicles. Designed for models like the Escalade, Silverado 1500, and Yukon XL 1500, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

• Compatible with Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 1500 Classic, Suburban 1500, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL 1500
• Part number 131.66056 for precise identification and fitment
• Aluminum master cylinder body with a plastic reservoir for durability and corrosion resistance
• Single removable reservoir included with a master cylinder cap and gasket/seal
• Two mounting holes and two ports with M12-1.00 inverted flare thread size for secure installation

About the C-TEK Standard Brake Master Cylinder Line

The C-TEK Standard Brake Master Cylinder line by Centric offers reliable replacement components designed to meet or exceed OEM specifications. This product line focuses on providing durable aluminum master cylinders with plastic reservoirs, ensuring long-lasting performance in brake hydraulic systems. The 131.66056 model is part of this line, delivering consistent bore size and thread pitch compatibility for a direct fit on various GM trucks and SUVs.

Product Details and Specifications

This brake master cylinder features a straight bore type with a bore diameter of 1.250 inches (31.750 mm), supporting effective hydraulic pressure transfer. The aluminum construction provides strength while resisting corrosion, and the included plastic reservoir is removable for easy maintenance. The unit comes with a master cylinder cap and gasket/seal but does not include mounting hardware, brake booster, push rod, bleeder hoses, or mounting bracket. Both primary and secondary outlet ports have inverted flare types with M12-1.00 thread size and pitch, ensuring compatibility with factory brake lines.

Common Applications and Problem Resolution

• Restores proper brake fluid pressure in Cadillac Escalade and Chevrolet Silverado 1500 models
• Replaces leaking or damaged master cylinders causing brake fluid loss
• Fixes spongy or unresponsive brake pedal feel due to internal bore wear
• Addresses brake system failure symptoms in GMC Yukon and Suburban 1500 vehicles
• Improves brake system reliability after reservoir or seal damage

Installation Notes and Tips

• Verify compatibility with your specific make and model before installation
• Use the included gasket/seal to ensure a proper fluid-tight connection
• Bleed the brake system thoroughly after installation to remove air
• Mounting hardware is not included; reuse original hardware or source separately
• Check brake booster and push rod condition as they are not included with this part

Quality Assurance and Warranty

Centric's C-TEK Standard Brake Master Cylinder 131.66056 is manufactured to meet OEM standards for fit, form, and function. The aluminum and plastic materials provide corrosion resistance and durability under normal operating conditions. While specific warranty details are not provided here, Centric products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or supplier for exact warranty terms.