Centric 121.44129 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44129

The Centric C-TEK Standard Disc Brake Rotor 121.44129 is engineered for reliable braking performance on Toyota 4Runner, FJ Cruiser, and Tacoma models. Designed as a vented, floating rotor, it offers consistent heat dissipation and durability for daily driving and moderate towing applications.

• Compatible with Toyota 4Runner, FJ Cruiser, and Tacoma
• Part number 121.44129 for precise identification
• Vented disc design for improved cooling
• Floating disc mounting for reduced stress and noise
• Nominal thickness of 1.102 inches (28.000 mm)
• Discard thickness at 1.024 inches (26.000 mm)
• Outside diameter of 12.559 inches (319.000 mm)
• Overall height of 2.657 inches (67.500 mm)
• 6 stud/lug holes with 0.571 inch (14.500 mm) diameter
• Smooth surface type for consistent pad contact

About the C-TEK Standard Disc Brake Rotors Line

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 performance, making it suitable for routine maintenance and brake system repairs on compatible Toyota models. The 121.44129 rotor maintains strict manufacturing tolerances to ensure proper alignment and braking efficiency.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes to enhance airflow and heat dissipation during braking. The floating disc mounting helps reduce stress on the rotor and hub assembly, minimizing noise and vibration. With a nominal thickness of 1.102 inches and a discard thickness of 1.024 inches, this rotor provides a clear service life indicator for replacement. The rotor measures 12.559 inches in outside diameter and 2.657 inches in overall height, matching OEM dimensions for Toyota 4Runner, FJ Cruiser, and Tacoma models. It includes six lug holes with a diameter of 0.571 inches and a mounting bolt hole circle diameter of 5.500 inches, ensuring secure installation.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise and vibration issues from rotor distortion
• Upgrading to OE-quality vented rotors for improved heat management
• Maintaining proper brake system performance on Toyota 4Runner, FJ Cruiser, and Tacoma

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness with a micrometer to confirm it meets nominal specifications. Use proper torque settings on lug nuts to avoid rotor warping. Since this rotor does not include bearings or an ABS tone ring, reuse existing components or replace separately as needed. Follow manufacturer guidelines for brake pad bedding after installation.

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors 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 limited warranties covering defects in materials and workmanship. Consult product documentation or Centric directly for warranty terms related to part number 121.44129.