Centric 121.42092 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.42092

The Centric C-TEK Standard Disc Brake Rotor 121.42092 is engineered for reliable braking performance on select Infiniti models. Designed specifically for Infiniti FX35, FX37, FX45, and QX70 vehicles, this vented disc brake rotor ensures consistent heat dissipation and smooth braking response.

• Compatible with Infiniti FX35, FX37, FX45, and QX70
• Part number 121.42092 for precise identification
• Vented rotor design with straight vane style for improved cooling
• Nominal thickness of 1.339 inches (34.000 mm) and discard thickness of 1.260 inches (32.000 mm)
• Overall height of 1.937 inches (49.200 mm) and outside diameter of 12.598 inches (320.000 mm)
• Floating disc mounting with 5 lug holes (0.500 inch diameter) on a 4.500 inch bolt circle diameter
• Smooth surface type for consistent pad contact
• Weight approximately 26.4 lbs (12.0 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 everyday driving conditions. This product line focuses on delivering rotors that meet or exceed OEM specifications, providing dependable braking performance without additional features like ABS tone rings or bearings. The 121.42092 rotor exemplifies this approach with its vented design and precise fitment for Infiniti models, ensuring proper heat management and durability.

Detailed Product Description

This Centric disc brake rotor features a vented construction with straight vanes that facilitate efficient airflow to reduce heat buildup during braking. The smooth surface finish promotes even brake pad wear and consistent stopping power. With a floating disc mounting design and a center hole diameter of 2.677 inches (68.000 mm), the rotor aligns accurately with the vehicle hub. The 5 lug holes, each 0.500 inches (12.700 mm) in diameter, are arranged on a 4.500 inch (114.300 mm) bolt circle diameter, matching the factory specifications for the Infiniti FX and QX70 series. The rotor’s nominal thickness of 1.339 inches (34.000 mm) and discard thickness of 1.260 inches (32.000 mm) provide clear service limits for maintenance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Improving heat dissipation to reduce brake fade during extended use
• Restoring smooth braking performance on Infiniti FX35, FX37, FX45, and QX70
• Correct fitment for vehicles requiring vented, floating disc rotors

Installation Notes and Tips

• Verify rotor part number 121.42092 matches vehicle specifications before installation
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Clean rotor surface with brake cleaner to remove any protective coatings
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Check rotor thickness and discard limits during installation for safety compliance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.42092 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is produced with quality materials and precision engineering to ensure consistent braking performance on compatible Infiniti models.