Centric 121.40043 Disc Brake Rotor - Front

Reliable Disc Brake Rotor for Acura NSX

The Centric C-TEK Standard Disc Brake Rotor 121.40043 is engineered to meet the braking demands of the Acura NSX. Designed with precision, this vented rotor ensures consistent performance and durability under various driving conditions.

• Compatible with Acura NSX models
• Vented disc brake rotor design for improved heat dissipation
• Nominal thickness of 1.102 inches (28.000 mm) with discard thickness at 1.024 inches (26.000 mm)
• Overall height of 1.425 inches (36.200 mm)
• Outside diameter measures 11.693 inches (297.000 mm)
• Floating disc mounting with 5 lug holes (0.500 inch diameter)
• Smooth surface type for consistent pad contact
• Includes 4 miscellaneous holes and straight vane style for optimal airflow
• Center hole diameter of 2.756 inches (70.000 mm) and mounting bolt hole circle diameter of 4.500 inches (114.300 mm)
• Weight approximately 16.35 lbs (7.43 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a balance of quality and value for standard replacement needs. These rotors are manufactured to meet or exceed OEM specifications, providing reliable braking performance for vehicles like the Acura NSX. The vented design helps reduce heat buildup, which is critical for maintaining braking efficiency and rotor longevity.

Technical Details and Specifications

This Centric rotor features a vented construction with straight vanes to enhance cooling during braking. The smooth surface finish ensures even pad wear and consistent stopping power. The floating disc mounting style allows for slight movement to reduce stress and improve rotor life. With a nominal thickness of 1.102 inches and a discard thickness of 1.024 inches, this rotor provides a clear service limit for safe operation. The rotor’s dimensions, including an outside diameter of 11.693 inches and a center hole diameter of 2.756 inches, are designed specifically for the Acura NSX’s brake system.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Acura NSX
• Addresses brake pulsation and vibration issues
• Improves heat dissipation to prevent brake fade
• Restores smooth braking performance and pedal feel
• Suitable for routine maintenance and brake system overhaul

Installation Notes and Tips

Ensure the rotor surface is clean and free of debris before installation. Verify the rotor thickness is above the discard limit of 1.024 inches to maintain safety standards. Use proper torque specifications for the 5 lug bolts to avoid rotor warping. Since bearings and ABS tone rings are not included, confirm compatibility with existing components on the Acura NSX. Proper bedding-in of brake pads after installation is recommended for optimal performance.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Using this rotor ensures adherence to factory specifications for the Acura NSX braking system.