Centric 121.79023 Disc Brake Rotor - Front

Reliable Centric C-TEK Standard Disc Brake Rotor Overview

The Centric C-TEK Standard Disc Brake Rotor 121.79023 offers a vented, smooth surface design engineered for consistent braking performance. Designed for vehicles requiring a 10-bolt mounting pattern, this rotor balances durability and heat dissipation for dependable stopping power.

• Part Number: 121.79023
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented rotor with straight vane style for improved cooling
• Overall height: 3.402 inches (86.4 mm)
• Outside diameter: 15.382 inches (390.7 mm)
• Mounting bolt hole quantity: 10 with 0.657 inch (16.7 mm) diameter holes
• Nominal thickness: 1.540 inches (39.12 mm)
• Discard thickness: 1.420 inches (36.06 mm)
• Center hole diameter: 6.000 inches (152.4 mm)
• Hat-shaped design with smooth surface finish

Detailed Product Description and Specifications

The Centric 121.79023 disc brake rotor is a vented, hat-shaped rotor featuring a smooth surface type and straight vane style to optimize airflow and heat dissipation during braking. With a nominal thickness of 1.540 inches and a discard thickness of 1.420 inches, this rotor maintains structural integrity while providing reliable stopping power. The rotor’s overall height measures 3.402 inches, and it has an outside diameter of 15.382 inches, making it suitable for vehicles requiring these specific dimensions. The 10 mounting bolt holes, each 0.657 inches in diameter, are arranged on a 7.252 inch (184.2 mm) bolt circle diameter, ensuring secure attachment behind the hub. This rotor does not include an ABS tone ring or bearings.

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 standard vented rotors with smooth surfaces and consistent dimensions, making them suitable for a wide range of vehicle applications requiring dependable braking performance without additional features like drilled or slotted surfaces.

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 proper rotor dimensions for secure wheel mounting
• Eliminating noise and vibration related to rotor surface irregularities

Installation Notes and Tips

Ensure the rotor mounting surface and hub are clean and free of rust or debris before installation. Verify the rotor’s bolt hole pattern and dimensions match the vehicle’s specifications. Since this rotor mounts behind the hub, proper alignment is critical to avoid uneven wear. Use a calibrated torque wrench to tighten mounting bolts to manufacturer-recommended specifications. This rotor does not include bearings or ABS tone rings, so verify compatibility with your vehicle’s braking system.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards for durability and performance. While specific warranty details for part number 121.79023 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult Centric’s official documentation or your parts supplier for exact warranty terms.