Centric 121.46055 Disc Brake Rotor - Front

Reliable Centric C-TEK Standard Disc Brake Rotor Overview

The Centric C-TEK Standard Disc Brake Rotor 121.46055 offers a vented, smooth surface design engineered for consistent braking performance. Designed to meet OEM specifications, this rotor is suitable for vehicles requiring a 5-bolt mounting pattern and precise fitment.

• Vented disc brake rotor for improved heat dissipation
• Overall diameter of 11.339 inches (288 mm) for accurate fit
• Nominal thickness of 0.941 inches (23.9 mm) ensuring durability
• Mounting bolt hole quantity: 5 with 0.480 inch (12.2 mm) diameter holes
• Center hole diameter of 4.331 inches (110 mm) for proper hub alignment
• Weight approximately 15.5 lbs (7.05 kgs) for balanced performance
• Straight vane style to optimize airflow and cooling
• Disc mounting behind the hub for secure installation

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to provide reliable, OEM-quality replacement rotors that meet or exceed factory specifications. This product line focuses on delivering rotors with precise dimensions and vented designs to maintain optimal braking efficiency and heat management. The 121.46055 rotor is part of this line, offering a smooth surface and vented construction suitable for a range of vehicle applications requiring a 5-lug bolt pattern.

Detailed Product Description and Specifications

The Centric 121.46055 disc brake rotor features a vented design with straight vanes that enhance cooling by allowing air to flow efficiently between the rotor surfaces. The smooth surface type ensures consistent pad contact and braking response. With an overall height of 2.209 inches (56.1 mm) and a nominal thickness of 0.941 inches (23.9 mm), this rotor maintains structural integrity under demanding conditions. The mounting bolt hole circle diameter measures 5.354 inches (136 mm), accommodating vehicles with a 5-bolt pattern. This rotor does not include an ABS tone ring or bearings, so compatibility with your vehicle’s braking system should be verified accordingly.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below discard limits (0.866 inches / 22 mm)
• Improving heat dissipation to reduce brake fade during heavy use
• Restoring smooth braking performance on vehicles with 5-lug hubs
• Ensuring proper fitment for vehicles requiring a 110 mm center hole diameter

Installation Notes and Tips

When installing the Centric 121.46055 rotor, ensure the mounting surface and hub are clean and free of debris to prevent uneven rotor seating. Verify the rotor’s vented side orientation and that the disc mounts behind the hub as specified. Use the correct torque specifications for the 5 mounting bolts with 0.480 inch (12.2 mm) diameter holes. Since this rotor does not include bearings or an ABS tone ring, confirm compatibility with your vehicle’s braking and ABS systems before installation.

Quality Assurance and Warranty Information

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring consistent performance and durability. Each rotor undergoes rigorous testing to comply with OEM specifications. While specific warranty details for part number 121.46055 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult Centric’s official documentation or your parts provider for exact warranty terms.