Centric 121.43019 Disc Brake Rotor - Front

Reliable Centric C-TEK Standard Disc Brake Rotor Overview

The Centric C-TEK Standard Disc Brake Rotor 121.43019 offers a vented, smooth surface design engineered for consistent braking performance. Designed to meet OEM specifications, this rotor is suitable for various vehicle applications requiring a 12-bolt mounting pattern and precise fitment.

• Part Number: 121.43019
• Brand Line: C-TEK Standard Disc Brake Rotors
• Vented disc brake rotor with straight vane style for improved heat dissipation
• Overall height: 100.2 mm (3.945 inches)
• Outside diameter: 363 mm (14.291 inches)
• Nominal thickness: 42.22 mm (1.662 inches)
• Discard thickness: 39 mm (1.535 inches)
• 12 mounting bolt holes with 136.7 mm (5.382 inches) bolt circle diameter
• Center hole diameter: 110 mm (4.331 inches)
• Weight: 18.64 kg (41 lbs)
• Surface type: Smooth, no ABS tone ring included

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 consistent performance, making them suitable for a wide range of vehicles requiring vented rotors with smooth braking surfaces. The 121.43019 rotor exemplifies this line’s commitment to quality and fitment accuracy.

Technical Details and Specifications

This Centric rotor features a vented design with straight vanes to enhance cooling and reduce brake fade during extended use. The smooth surface finish ensures even pad contact and braking efficiency. With a nominal thickness of 42.22 mm and a discard thickness of 39 mm, this rotor maintains structural integrity and safety throughout its service life. The 12-bolt mounting pattern with a 136.7 mm bolt circle diameter and a center hole diameter of 110 mm ensures compatibility with specific vehicle hubs. Weighing 18.64 kg, the rotor balances durability with manageable weight for installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation or noise
• Upgrading from solid to vented rotors for improved heat dissipation
• Addressing rotor thickness below discard limits to maintain braking safety
• Resolving uneven brake pad wear due to rotor surface imperfections
• Ensuring proper fitment with 12-bolt mounting hubs requiring 110 mm center hole diameter

Installation Notes and Tips

Ensure the rotor mounting surface and hub are clean and free of rust or debris before installation. Verify the mounting bolt hole pattern and center hole diameter match the vehicle specifications. This rotor mounts behind the hub and does not include bearings or an ABS tone ring, so confirm compatibility with your vehicle’s braking system. Use proper torque specifications for mounting bolts to avoid rotor warping.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet stringent quality standards, ensuring reliable performance and durability. While specific warranty details for part number 121.43019 are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Refer to Centric’s official documentation for complete warranty information.