Centric 121.66069 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Buick, Chevrolet, GMC, and Saturn

The Centric C-TEK Standard Disc Brake Rotor 121.66069 is engineered to provide consistent braking performance for select Buick, Chevrolet, GMC, and Saturn models. Designed with precision, this vented rotor ensures effective heat dissipation and durability for vehicles like the Acadia, Enclave, and Traverse.

• Vented disc brake rotor with smooth surface finish
• Nominal thickness of 1.142 inches (29.000 mm) and discard thickness of 1.083 inches (27.500 mm)
• Overall height of 2.157 inches (54.800 mm) for proper fitment
• Outside diameter measures 12.795 inches (325.000 mm)
• Floating disc mounting with straight vane style for efficient cooling
• 6 stud/lug holes with 0.618 inch (15.700 mm) diameter
• Center hole diameter of 2.972 inches (75.500 mm) and mounting bolt hole circle diameter of 5.197 inches (132.000 mm)
• Weight approximately 23.15 lbs (10.52 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to meet or exceed OEM specifications for standard replacement rotors. This product line focuses on delivering reliable braking performance with quality materials and precise manufacturing. The 121.66069 rotor features a vented design to improve heat dissipation, helping maintain braking efficiency under normal driving conditions for compatible Buick, Chevrolet, GMC, and Saturn vehicles.

Product Details and Specifications

This disc brake rotor is vented with a smooth surface type, which aids in heat management and reduces brake fade during operation. The floating disc mounting design allows for slight movement to accommodate thermal expansion and improve rotor longevity. The rotor’s dimensions, including a 12.795-inch outside diameter and 2.157-inch overall height, ensure proper fitment on models such as the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook. The rotor includes six stud holes with a diameter of 0.618 inches, matching factory specifications for secure installation.

Common Applications and Issues Addressed

• Replacement for worn or warped rotors causing brake pulsation
• Improves braking performance on Buick Acadia and Chevrolet Traverse
• Restores proper rotor thickness to prevent brake fade
• Addresses noise and vibration issues related to damaged rotors
• Compatible with GMC Acadia and Saturn Outlook models requiring vented rotors

Installation Notes and Tips

• Ensure rotor discard thickness of 1.083 inches is not exceeded before replacement
• Verify rotor dimensions and bolt pattern match vehicle specifications
• Clean rotor surface before installation to remove any protective coatings
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.66069 should be confirmed with the manufacturer or distributor, Centric typically offers coverage against defects in materials and workmanship. This rotor is engineered to provide consistent braking for Buick, Chevrolet, GMC, and Saturn vehicles, supporting safe and effective stopping power.