Centric 121.42056 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.42056

The Centric C-TEK Standard Disc Brake Rotor 121.42056 is engineered for reliable braking performance on Nissan NX and Sentra models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and stable stopping power under normal driving conditions.

• Compatible with Nissan NX and Sentra vehicles
• Part number 121.42056 for precise identification
• Vented disc brake rotor design for improved cooling
• Nominal thickness of 1.024 inches (26.000 mm)
• Outside diameter of 10.118 inches (257.000 mm)
• Overall height of 1.780 inches (45.200 mm)
• Floating disc mounting style with 4 lug holes
• Smooth surface type for standard braking applications
• Weight approximately 14.15 lbs (6.43 kgs)

Product Line Details: C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering OEM-equivalent replacement rotors that meet factory specifications. This product line emphasizes durability and consistent performance, making it suitable for everyday driving conditions. The 121.42056 rotor maintains the original equipment dimensions and features, including vented construction and a smooth braking surface, ensuring compatibility and reliable operation on Nissan NX and Sentra models.

Technical Specifications and Features

This disc brake rotor features a nominal thickness of 1.024 inches (26.000 mm) and a discard thickness of 0.945 inches (24.000 mm), indicating the minimum thickness before replacement is necessary. The rotor’s outside diameter measures 10.118 inches (257.000 mm), with an overall height of 1.780 inches (45.200 mm). It includes a floating disc mounting style and four stud/lug holes with a diameter of 0.502 inches (12.750 mm) arranged on a 3.937 inch (100.000 mm) bolt circle diameter. The rotor is vented with straight vanes to facilitate heat dissipation during braking, helping to reduce brake fade and maintain performance.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Nissan NX and Sentra
• Addresses brake pulsation caused by uneven rotor surfaces
• Resolves excessive brake noise due to rotor surface irregularities
• Improves braking consistency by restoring proper rotor thickness
• Prevents overheating issues with vented rotor design

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it meets or exceeds the nominal thickness of 1.024 inches (26.000 mm). Clean the rotor surface to remove any protective coatings or contaminants prior to mounting. Verify that the mounting bolt hole circle diameter and stud/lug hole dimensions match the vehicle specifications. Since this rotor does not include bearings or an ABS tone ring, confirm compatibility with your vehicle’s braking system. Proper torque specifications should be followed when securing the rotor to avoid warping.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. It is recommended to consult the product documentation or Centric directly for warranty terms related to part number 121.42056.