Centric 121.66079 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Chevrolet and GMC Trucks

The Centric C-TEK Standard Disc Brake Rotor 121.66079 is engineered for dependable braking performance on Chevrolet Canyon and GMC Colorado models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with Chevrolet Canyon and GMC Colorado
• Part number 121.66079 for precise fitment
• Vented rotor design with 47 straight vanes for effective cooling
• Nominal thickness of 0.709 inches (18.000 mm) and discard thickness of 0.630 inches (16.000 mm)
• Overall height of 3.173 inches (80.600 mm) and outside diameter of 12.764 inches (324.200 mm)
• 6 lug holes with 0.626 inch (15.900 mm) diameter and 4.724 inch (120.000 mm) bolt circle diameter
• Solid smooth surface type for consistent pad contact
• Floating disc mounting with one miscellaneous hole and no ABS tone ring included
• Weight approximately 16.45 lbs (7.48 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards, providing reliable braking performance for daily driving and light-duty applications. This product line focuses on delivering rotors with precise dimensions and quality materials, ensuring compatibility and durability for Chevrolet Canyon and GMC Colorado vehicles.

Product Details and Specifications

This Centric disc brake rotor features a vented design with 47 straight vanes that promote efficient heat dissipation, reducing the risk of brake fade during extended use. The rotor's nominal thickness is 0.709 inches (18.000 mm), with a discard thickness of 0.630 inches (16.000 mm), indicating when replacement is necessary to maintain safe braking. The overall height measures 3.173 inches (80.600 mm), and the outside diameter is 12.764 inches (324.200 mm), matching OEM dimensions for proper fitment. The rotor includes six lug holes with a diameter of 0.626 inches (15.900 mm) arranged on a 4.724 inch (120.000 mm) bolt circle diameter. The smooth surface type ensures consistent brake pad contact, while the floating disc mounting system allows for slight movement to reduce stress and improve rotor longevity. This rotor does not include an ABS tone ring or bearings.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors on Chevrolet Canyon and GMC Colorado
• Improves braking performance by restoring proper rotor thickness and surface
• Reduces brake noise and vibration caused by uneven rotor wear
• Helps prevent brake fade during heavy braking or towing
• Ensures safe stopping distances by maintaining OEM rotor specifications

Installation Notes and Tips

• Verify compatibility with Chevrolet Canyon or GMC Colorado before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface before installation to remove any protective coatings
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check rotor thickness regularly and replace when below discard thickness

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.66079 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship.