Centric 121.62120 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.62120

The Centric C-TEK Standard Disc Brake Rotor 121.62120 is engineered for reliable braking performance on select Buick, Chevrolet, GMC, and Saab vehicles. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for models like the Chevrolet Camaro, Buick LaCrosse, and GMC Terrain.

• Vented disc brake rotor with pillar vane style for improved cooling
• Nominal thickness of 1.177 inches (29.9 mm) and discard thickness of 1.063 inches (27 mm)
• Overall height of 2.008 inches (51 mm) and outside diameter of 12.638 inches (321 mm)
• Floating disc mounting with 5 lug holes, 0.638 inch (16.2 mm) diameter each
• Center hole diameter of 2.654 inches (67.4 mm) and mounting bolt hole circle diameter of 4.724 inches (120 mm)
• Weight approximately 22.4 lbs (10.18 kgs)
• ABS tone ring not included; bearings not included

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing OEM-quality replacement rotors that meet or exceed original equipment specifications. This product line emphasizes precise fitment and consistent braking performance, making it suitable for drivers seeking dependable rotor replacements for their Buick, Chevrolet, GMC, and Saab vehicles. The 121.62120 rotor maintains the original vented design with pillar-style vanes to ensure effective heat dissipation during braking.

Technical Description and Fitment

This disc brake rotor features a vented design with pillar-style vanes that enhance airflow and cooling, reducing the risk of brake fade during extended use. The smooth surface finish supports even pad contact and wear. With a nominal thickness of 1.177 inches and a discard thickness of 1.063 inches, this rotor provides a clear service life indicator for maintenance. The floating disc mounting and 5-lug hole pattern with a 4.724-inch bolt circle diameter ensure compatibility with specific models including the Chevrolet Impala, Buick Regal, Saab 9-5, and GMC Terrain. The rotor’s overall height and center hole diameter are engineered to match factory specifications for proper installation and performance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving braking performance on Buick LaCrosse and Chevrolet Malibu Limited
• Resolving noise or vibration issues related to rotor surface irregularities
• Upgrading to OEM-equivalent vented rotors for better heat management

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness with a micrometer to confirm it meets minimum specifications. Use proper torque settings on the 5 lug nuts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately as needed. It is recommended to replace brake pads simultaneously to maintain optimal braking performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring consistent quality and fitment. While specific warranty details for part number 121.62120 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.