Centric 121.42055 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Nissan and Infiniti Vehicles

The Centric C-TEK Standard Disc Brake Rotor 121.42055 is engineered to provide consistent braking performance for select Nissan and Infiniti models. Designed with precision, this vented rotor ensures effective heat dissipation and durability for vehicles like the Nissan Altima, Sentra, and Infiniti G20.

• Vented disc brake rotor with smooth surface finish
• Nominal thickness of 0.866 inches (22.000 mm) and discard thickness of 0.787 inches (20.000 mm)
• Overall height of 1.937 inches (49.200 mm) for proper fitment
• Outside diameter measures 11.024 inches (280.000 mm)
• Floating disc mounting with 4 lug holes and 2 additional miscellaneous holes
• Center hole diameter of 2.677 inches (68.000 mm) and mounting bolt hole circle diameter of 4.500 inches (114.300 mm)
• Weight approximately 15.5 lbs (7.05 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM specifications for standard braking applications. This product line focuses on delivering reliable performance and consistent fitment for daily driving conditions. The 121.42055 rotor maintains these standards with its vented design and precise dimensions, making it suitable for Nissan Altima, Sentra, and Infiniti G20 models requiring dependable braking components.

Product Details and Specifications

This Centric disc brake rotor features a vented design with straight vanes to enhance airflow and reduce heat buildup during braking. The smooth surface type ensures even pad contact and reduces noise. With a floating disc mounting style, the rotor allows slight movement to accommodate thermal expansion and improve braking consistency. The rotor includes four stud/lug holes with a diameter of 0.502 inches (12.750 mm) and two additional miscellaneous holes for secure installation. Note that this rotor does not include an ABS tone ring or bearings.

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
• Eliminating noise and vibration from uneven rotor surfaces
• Improving heat dissipation to prevent brake fade in daily driving
• Ensuring proper fitment for Nissan Altima, Sentra, and Infiniti G20 brake systems

Installation Notes and Tips

Before installation, verify rotor dimensions against vehicle specifications to ensure compatibility. Clean the rotor surface to remove any protective coatings or debris. Use proper torque settings on lug nuts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately if needed. It is recommended to replace brake pads simultaneously for optimal braking performance.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for quality and durability. The 121.42055 rotor undergoes rigorous testing to ensure consistent thickness, balance, and material integrity. While specific warranty details may vary, Centric typically offers coverage against defects in materials and workmanship, providing confidence in the product's reliability for Nissan Altima, Sentra, and Infiniti G20 applications.