Centric 121.66014 Disc Brake Rotor - Front or Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.66014

The Centric C-TEK Standard Disc Brake Rotor 121.66014 is engineered for reliable braking performance on Chevrolet and GMC trucks. Designed specifically for models like the Chevrolet C35, C2500, and C3500, this vented rotor ensures consistent heat dissipation and durability under demanding conditions.

• Compatible with Chevrolet C35, C2500, and C3500 models
• Part number 121.66014 for precise identification
• Vented disc brake rotor with smooth surface finish
• Nominal thickness of 1.287 inches (32.700 mm) and discard thickness of 1.215 inches (30.860 mm)
• Outside diameter of 12.488 inches (317.200 mm) for exact fitment
• Eight stud/lug holes with 14 mm stud thread diameter
• Hub and rotor disc mounting design
• Weight approximately 37 lbs (16.82 kgs)

Details on C-TEK Standard Disc Brake Rotors Product Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard replacement applications. This product line focuses on providing reliable braking performance with features such as vented rotor design for improved heat dissipation and smooth surface finishes to reduce pad wear. The 121.66014 rotor is part of this line, ensuring compatibility and consistent quality for Chevrolet and GMC truck models.

Technical Specifications and Features

This vented disc brake rotor features a nominal thickness of 1.287 inches (32.700 mm) and a discard thickness of 1.215 inches (30.860 mm), indicating the minimum thickness before replacement is necessary. The rotor’s outside diameter measures 12.488 inches (317.200 mm), matching OEM dimensions for proper fitment. It includes eight stud/lug holes with a 14 mm stud thread diameter and a bolt thread pitch of 1.5 mm, designed for secure mounting. The rotor mounts to the hub and rotor assembly and weighs approximately 37 lbs (16.82 kgs). The vane style is straight, which aids in effective heat dissipation during braking. This rotor does not include an ABS tone ring or bearings.

Applications and Problem Solving

• Replacement for worn or warped rotors on Chevrolet C35, C2500, and C3500 trucks
• Addresses brake pulsation caused by uneven rotor surfaces
• Improves braking performance by restoring proper rotor thickness
• Helps reduce brake noise and vibration associated with damaged rotors
• Supports safe vehicle operation by maintaining OEM rotor specifications

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean mounting surfaces to prevent rotor runout and ensure proper fit
• Torque lug nuts to manufacturer specifications for secure installation
• Check compatibility with existing brake pads and hardware
• Inspect hub and bearings (inner bearing 410.91035, outer bearing 415.66000) for wear during installation

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.66014 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Users should consult product documentation or Centric directly for warranty terms related to this rotor.