Centric 121.62140 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Buick, Cadillac, and Chevrolet

The Centric C-TEK Standard Disc Brake Rotor 121.62140 offers dependable braking performance for select Buick, Cadillac, and Chevrolet models. Designed to meet OEM specifications, this vented rotor ensures consistent heat dissipation and smooth braking under various driving conditions.

• Compatible with Buick Caprice, Cadillac CTS and XTS, Chevrolet Corvette and Regal
• Vented disc design for improved cooling and reduced brake fade
• Nominal thickness of 1.181 inches (30.000 mm) with discard thickness at 1.063 inches (27.000 mm)
• Overall height of 2.012 inches (51.100 mm) and outside diameter of 13.583 inches (345.000 mm)
• Floating disc mounting with straight vane style for efficient airflow
• 5 stud/lug holes with 0.634 inch (16.100 mm) diameter and 4.724 inch (120.000 mm) bolt circle diameter
• Smooth surface type for consistent pad contact and wear

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is engineered to provide a direct replacement for factory rotors, maintaining original equipment fit, form, and function. This product line focuses on delivering reliable braking performance with vented rotor designs that help manage heat buildup during braking. The 121.62140 rotor is part of this line, offering precise dimensions and a floating disc mounting system to ensure proper alignment and rotor longevity.

Product Details and Specifications

This Centric disc brake rotor features a vented design with straight vanes to promote effective heat dissipation, reducing the risk of brake fade during extended use. The rotor’s nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.063 inches (27.000 mm), indicating when replacement is necessary to maintain safe braking performance. The overall height measures 2.012 inches (51.100 mm), and the outside diameter is 13.583 inches (345.000 mm), matching OEM specifications for proper fitment.

The rotor includes a floating disc mounting system and a smooth surface type to ensure consistent pad contact and braking efficiency. It features five stud/lug holes with a diameter of 0.634 inches (16.100 mm) and a bolt hole circle diameter of 4.724 inches (120.000 mm). The center hole diameter is 2.657 inches (67.500 mm), and the hat ID measures 6.236 inches (158.400 mm). This rotor weighs approximately 25.95 lbs (11.78 kgs).

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Improving heat dissipation to prevent brake fade on Buick Caprice and Cadillac CTS
• Restoring proper rotor fitment and alignment on Chevrolet Corvette and Regal
• Eliminating noise and vibration caused by damaged or uneven rotors

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface and hub mounting area to prevent uneven wear or vibration
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with vehicle ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to ensure optimal braking performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. While specific warranty details for part number 121.62140 are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty terms related to this rotor.