Centric 121.42090 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Nissan and Infiniti Vehicles

The Centric C-TEK Standard Disc Brake Rotor 121.42090 is engineered to provide consistent braking performance for select Nissan and Infiniti models. Designed specifically for vehicles like the Nissan Armada, Titan, and Infiniti QX56, this vented rotor ensures effective heat dissipation and durability under demanding driving conditions.

• Compatible with Nissan Armada, Titan, and Infiniti QX56
• Part Number: 121.42090
• Vented disc brake rotor with straight vane design
• Outside diameter: 12.598 inches (320 mm)
• Nominal thickness: 1.024 inches (26 mm); discard thickness: 0.965 inches (24.5 mm)
• Overall height: 1.709 inches (43.4 mm)
• Floating disc mounting with 6 lug holes (0.528 inches diameter)
• Smooth surface type without ABS tone ring
• Weight approximately 20.8 lbs (9.45 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing solid and vented rotors with precise fitment and consistent performance. The 121.42090 rotor features a vented design with straight vanes to optimize cooling and reduce brake fade, making it suitable for heavy-duty applications in Nissan Armada, Titan, and Infiniti QX56 models.

Product Details and Specifications

This Centric disc brake rotor has a nominal thickness of 1.024 inches (26 mm) and a discard thickness of 0.965 inches (24.5 mm), ensuring safe replacement intervals. The rotor's outside diameter measures 12.598 inches (320 mm), with an overall height of 1.709 inches (43.4 mm). It features a floating disc mounting system and six lug holes with a diameter of 0.528 inches (13.4 mm), designed for secure installation. The smooth surface finish supports consistent pad contact, while the vented rotor design with straight vanes enhances heat dissipation during braking. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Nissan Armada, Titan, and Infiniti QX56
• Addresses brake pulsation and vibration issues
• Improves heat dissipation to reduce brake fade during heavy use
• Restores proper rotor thickness for safe braking performance
• Eliminates noise caused by uneven rotor surfaces

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface to remove any protective coating before mounting
• Check compatibility with vehicle lug pattern and mounting bolt circle diameter (139.7 mm)
• Torque lug nuts to manufacturer specifications for secure fitment
• Inspect brake pads and replace if worn to maintain optimal braking

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure durability and performance. While specific warranty details 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.