Centric 131.66029 Brake Master Cylinder

Reliable Brake Master Cylinder for Select GM and Dodge Trucks

The Centric C-TEK Standard Brake Master Cylinder 131.66029 is engineered to restore precise brake hydraulics in your Chevrolet, GMC, Cadillac, or Dodge vehicle. Designed for models like the Blazer, Escalade, Ram 1500, and Tahoe, this master cylinder ensures consistent brake fluid delivery and system performance.

• Durable aluminum master cylinder body with a plastic reservoir
• Includes a removable single reservoir with master cylinder cap
• Two mounting holes for secure installation
• Stepped bore design with primary and secondary outlet threads
• Compatible with inverted flare brake lines (1/2"-20 and 9/16"-18 thread sizes)

About the C-TEK Standard Brake Master Cylinder Line

The C-TEK Standard Brake Master Cylinder line by Centric offers reliable replacement parts designed to meet or exceed OEM specifications. This product line focuses on providing durable brake hydraulics components that maintain proper brake pressure and fluid flow. The 131.66029 model features a stepped bore design and a removable plastic reservoir, making it suitable for a range of GM and Dodge trucks requiring precise brake system restoration.

Product Details and Specifications

This brake master cylinder features an aluminum body for strength and corrosion resistance, paired with a plastic reservoir that is removable for easy maintenance. It includes a master cylinder cap but does not come with mounting hardware, brake booster, push rod, or bleeder hoses. The unit has two ports with inverted flare thread types: a primary outlet thread size of 1/2"-20 and a secondary outlet thread size of 9/16"-18, both designed for secure brake line connections. The bore diameters are 1.575 inches (primary) and 1.126 inches (secondary), supporting effective hydraulic pressure distribution.

Compatible Vehicles and Applications

• Chevrolet Blazer, C1500, C1500 Suburban, C2500, Suburban 1500, Tahoe
• GMC K1500, K1500 Suburban, K2500, Yukon
• Cadillac Escalade
• Dodge Ram 1500

This master cylinder is ideal for restoring brake system function in these vehicles, especially when experiencing issues related to brake fluid pressure or reservoir leaks.

Common Issues Addressed by This Master Cylinder

• Brake pedal sinking or sponginess due to internal leaks
• Brake fluid reservoir cracks or leaks
• Inconsistent brake pressure affecting stopping performance
• Worn or damaged master cylinder bore causing fluid loss
• Replacement of OEM master cylinder for maintenance or repair

Installation Notes and Tips

Installation requires removal of the old master cylinder and proper connection of brake lines with inverted flare fittings. Since mounting hardware and push rod are not included, reuse existing components or source separately. Bleeding the brake system after installation is necessary to remove air and ensure optimal brake performance. Verify compatibility with your vehicle’s brake booster and mounting points before installation.

Quality Assurance and Warranty

Centric’s C-TEK Standard Brake Master Cylinder 131.66029 is manufactured to meet OEM standards for fit and function. The aluminum construction and quality plastic reservoir provide durability and corrosion resistance. Warranty details should be confirmed with the product documentation or supplier, as coverage may vary.