Centric 121.44021 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44021

The Centric C-TEK Standard Disc Brake Rotor 121.44021 is engineered for Toyota 4Runner models requiring reliable braking performance. This solid, smooth-surface rotor is designed to meet OEM specifications, ensuring consistent stopping power and durability.

• Compatible with Toyota 4Runner vehicles
• Part number: 121.44021
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 11.890 inches (302 mm)
• Nominal thickness: 0.492 inches (12.5 mm)
• Discard thickness: 0.453 inches (11.5 mm)
• Overall height: 1.890 inches (48 mm)
• 6 mounting bolt holes with 0.591 inch (15 mm) diameter
• Center hole diameter: 3.937 inches (100 mm)
• Mounting bolt hole circle diameter: 5.5 inches (139.7 mm)
• Weight: 14 lbs (6.36 kg)
• ABS tone ring not included

Details on C-TEK Standard Disc Brake Rotors

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors manufactured to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing solid rotors with smooth surfaces that deliver consistent braking performance for daily driving conditions. The 121.44021 rotor is part of this line, designed specifically for Toyota 4Runner applications, ensuring proper fitment and reliable operation without ABS tone ring integration.

Technical Specifications and Features

This Centric rotor features a solid design with a smooth surface type, which helps maintain consistent brake pad contact and reduces noise. The rotor’s outside diameter measures 11.890 inches, with a nominal thickness of 0.492 inches and a discard thickness of 0.453 inches, indicating when replacement is necessary. The overall height is 1.890 inches, and it mounts behind the hub using six bolt holes arranged on a 5.5-inch bolt circle diameter. The center hole diameter is 3.937 inches, ensuring proper alignment during installation.

Applications and Problem Solving

• Replacement for worn or warped rotors on Toyota 4Runner models
• Addresses brake pulsation and vibration issues
• Restores proper braking performance and pedal feel
• Eliminates noise caused by uneven rotor surfaces
• Suitable for vehicles without ABS tone ring requirements

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness before installation
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque mounting bolts to manufacturer specifications
• Check brake pads for wear and replace if necessary
• Perform a proper bed-in procedure after installation for optimal performance

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet strict quality standards, ensuring durability and consistent performance. While specific warranty details for part number 121.44021 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.