Centric 121.44089 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44089

The Centric C-TEK Standard Disc Brake Rotor 121.44089 is engineered for reliable braking performance on Lexus and Toyota vehicles, specifically designed for the Highlander and RX300 models. This solid rotor offers precise dimensions and a smooth surface to ensure consistent stopping power and durability.

• Compatible with Lexus Highlander and Toyota RX300
• Part number: 121.44089
• Solid disc brake rotor with smooth surface finish
• Outside diameter: 11.339 inches (288.0 mm)
• Nominal thickness: 0.394 inches (10.0 mm)
• Discard thickness: 0.354 inches (9.0 mm)
• Overall height: 2.366 inches (60.1 mm)
• 5 lug holes with 0.571 inch (14.5 mm) diameter
• Center hole diameter: 2.441 inches (62.0 mm)
• Mounting bolt hole circle diameter: 4.5 inches (114.3 mm)
• Weight approximately 10.5 lbs (4.77 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric is designed to meet or exceed OEM specifications for standard replacement rotors. This product line focuses on delivering consistent braking performance with rotors that feature smooth surfaces and solid construction. The 121.44089 rotor fits within this line, providing a direct replacement option for Lexus Highlander and Toyota RX300 models requiring a solid rotor without ABS tone rings or additional bearings.

Technical Details and Specifications

This Centric rotor features a solid design with a smooth surface type, ensuring even pad contact and reliable braking. The nominal thickness of 0.394 inches (10.0 mm) and discard thickness of 0.354 inches (9.0 mm) provide clear service limits for maintenance. The rotor’s outside diameter measures 11.339 inches (288.0 mm), and it has an overall height of 2.366 inches (60.1 mm). It includes five lug holes with a diameter of 0.571 inches (14.5 mm) and a mounting bolt hole circle diameter of 4.5 inches (114.3 mm). The center hole diameter is 2.441 inches (62.0 mm), designed for precise fitment on compatible vehicles.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus Highlander and Toyota RX300
• Addresses brake pulsation and vibration issues
• Restores proper braking surface for improved stopping power
• Eliminates rotor thickness variation and uneven pad wear
• Suitable for vehicles requiring solid rotors without ABS tone rings

Installation Notes and Tips

Ensure the rotor surface is clean and free of rust or debris before installation. Verify the rotor thickness is within nominal specifications and replace if below discard thickness. Use proper torque specifications for lug nuts and mounting bolts to avoid rotor warping. This rotor does not include bearings or ABS tone rings, so confirm compatibility with your vehicle’s braking system. It is recommended to replace brake pads simultaneously for optimal performance.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards, ensuring reliable fit and function. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship. Always consult product documentation or manufacturer resources for complete warranty information.