Centric 131.66008 Brake Master Cylinder

Overview of Centric C-TEK Standard Brake Master Cylinder 131.66008

The Centric C-TEK Standard Brake Master Cylinder 131.66008 is engineered for reliable brake hydraulics performance in Chevrolet and GMC trucks and SUVs. Designed with durable cast iron construction and a single integral reservoir, this master cylinder supports consistent braking pressure for vehicles like the Chevrolet C20 and GMC K2500 Suburban.

• Cast iron master cylinder and reservoir for durability
• Single integral reservoir included
• 1.250 inch (31.75 mm) straight bore diameter
• Two mounting holes for secure installation
• Includes master cylinder cap; push rod and brake booster not included
• Two ports with inverted flare threads: primary 1/2"-20, secondary 9/16"-18

Detailed Product Features and Specifications

This Centric C-TEK Standard Brake Master Cylinder (part number 131.66008) features a cast iron body and reservoir, providing strength and resistance to wear under demanding brake system conditions. The single integral reservoir design simplifies fluid management and reduces potential leak points. The master cylinder bore diameter measures 1.250 inches (31.75 mm), with a straight bore type that ensures consistent hydraulic pressure delivery.

It includes two mounting holes for secure attachment but does not come with mounting hardware, push rod, or brake booster. The master cylinder cap is included to maintain fluid integrity. The unit has two outlet ports with inverted flare threads: the primary outlet is 1/2"-20 threads per inch, and the secondary outlet is 9/16"-18 threads per inch, compatible with standard brake line fittings.

Compatible Vehicles and Applications

This brake master cylinder is compatible with a range of Chevrolet and GMC trucks and SUVs, including:

• Chevrolet C20, C20 Suburban, C30, C2500 Suburban, C3500
• GMC G30, K20, K20 Suburban, K2500, K2500 Suburban
• Chevrolet and GMC P20, P30, P2500, P3500 models

It is designed to replace original equipment master cylinders in these vehicles, ensuring proper fit and function.

About the C-TEK Standard Brake Master Cylinder Line

The C-TEK Standard Brake Master Cylinder line by Centric focuses on delivering reliable, OE-quality brake hydraulics components. This product line emphasizes durable materials like cast iron and precise bore dimensions to maintain consistent brake fluid pressure. The 131.66008 model exemplifies these standards, providing a dependable replacement part for Chevrolet and GMC trucks requiring a standard master cylinder configuration.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Loss of hydraulic pressure affecting braking performance
• Brake fluid leaks from a damaged or worn reservoir
• Inconsistent brake response caused by bore wear
• Replacement of a faulty or corroded original master cylinder

Installation Notes and Tips

• Ensure compatibility with your specific Chevrolet or GMC model before installation
• Use proper brake fluid and bleed the brake system thoroughly after installation
• Mounting hardware is not included; retain original hardware or source appropriate replacements
• Check all connections for leaks and proper thread engagement on the inverted flare ports
• Verify the master cylinder bore size matches OEM specifications for optimal performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Master Cylinder 131.66008 is manufactured to meet or exceed OEM standards for brake hydraulics components. The cast iron construction and precise machining ensure durability and reliable operation. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms.