Centric 121.42109 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.42109

The Centric C-TEK Standard Disc Brake Rotor 121.42109 is engineered for reliable braking performance on Nissan NV1500, NV2500, and NV3500 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for daily driving and commercial use.

• Compatible with Nissan NV1500, NV2500, NV3500
• Part number 121.42109 for precise fitment
• Vented disc brake rotor design for improved cooling
• Nominal thickness of 1.181 inches (30.000 mm)
• Outside diameter of 14.370 inches (365.000 mm)
• Overall height of 3.598 inches (91.400 mm)
• 8 lug holes with 0.579 inch (14.700 mm) diameter
• Floating disc mounting with straight vane style
• ABS tone ring not included

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering dependable, OE-quality replacement rotors. This product line emphasizes precise fitment and consistent braking performance, making it suitable for Nissan NV series vans requiring standard vented rotors. The 121.42109 rotor maintains factory specifications including thickness, diameter, and mounting features to ensure compatibility and safety.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.181 inches (30.000 mm) and a discard thickness of 1.122 inches (28.500 mm), providing a clear service limit for maintenance. The rotor’s outside diameter measures 14.370 inches (365.000 mm), with an overall height of 3.598 inches (91.400 mm). It includes 8 lug holes sized at 0.579 inches (14.700 mm) diameter arranged on a 6.508 inch (165.300 mm) bolt circle diameter. The rotor is vented with straight vanes to enhance heat dissipation during braking, reducing the risk of brake fade. The mounting style is floating, which helps accommodate thermal expansion and improves rotor longevity. Note that this rotor does not include an ABS tone ring or bearings.

Applications and Problem Solving

• Replacement for worn or warped rotors on Nissan NV1500, NV2500, NV3500
• Addresses brake pulsation caused by uneven rotor surface
• Resolves reduced braking efficiency due to rotor thickness below discard limit
• Improves heat management in heavy-duty or frequent stop driving conditions
• Restores proper rotor dimensions for safe and consistent braking

Installation Notes and Tips

• Verify rotor thickness before installation; do not install below discard thickness of 1.122 inches
• Ensure proper cleaning of rotor surface to remove any protective coatings
• Check compatibility with vehicle’s lug pattern and bolt circle diameter
• Torque lug nuts to manufacturer specifications to avoid rotor warping
• Inspect brake pads and replace if worn to ensure optimal rotor performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards for fit, form, and function. Each rotor undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.