Centric 121.44131 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44131

The Centric C-TEK Standard Disc Brake Rotor 121.44131 is engineered for reliable braking performance on select Lexus and Toyota models. Designed as a solid rotor with a smooth surface, it provides consistent stopping power for vehicles like the Toyota Highlander and Lexus RX series.

• Compatible with Lexus Highlander, RX330, RX350, RX400h and Toyota Highlander models
• Part number 121.44131 for precise identification
• Solid disc brake rotor with smooth surface finish
• Nominal thickness of 0.394 inches (10.000 mm) and discard thickness of 0.335 inches (8.500 mm)
• Overall height of 2.736 inches (69.500 mm) and outside diameter of 11.339 inches (288.000 mm)
• Five stud/lug holes with 0.571 inch (14.500 mm) diameter and 4.500 inch (114.300 mm) bolt circle diameter
• Center hole diameter of 2.441 inches (62.000 mm) and three miscellaneous holes for mounting
• Weight approximately 11.5 lbs (5.23 kgs)
• Does not include ABS tone ring or bearings

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers a direct replacement solution designed to meet or exceed OEM specifications. This product line focuses on providing solid rotors with smooth surfaces that ensure consistent braking performance and durability. The 121.44131 rotor fits within this line, delivering reliable stopping power for Lexus and Toyota vehicles requiring a solid rotor design without ABS tone rings.

Technical Details and Specifications

This disc brake rotor features a nominal thickness of 0.394 inches (10.000 mm) and a discard thickness of 0.335 inches (8.500 mm), indicating the minimum thickness before replacement is necessary. The rotor’s overall height measures 2.736 inches (69.500 mm), with an outside diameter of 11.339 inches (288.000 mm), ensuring proper fitment and compatibility. It includes five stud/lug holes sized at 0.571 inches (14.500 mm) diameter arranged on a 4.500 inch (114.300 mm) bolt circle diameter. The center hole diameter is 2.441 inches (62.000 mm), and the rotor has three additional mounting holes. This rotor is a solid type, designed without venting or ABS tone ring, and weighs approximately 11.5 pounds (5.23 kilograms).

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing rotor thickness below manufacturer discard limits
• Resolving uneven brake pad wear due to rotor surface issues
• Eliminating noise or vibration related to damaged rotors
• Restoring braking performance on Lexus RX and Toyota Highlander models

Installation Notes and Tips

• Ensure rotor thickness is measured before installation to confirm discard limits
• Clean rotor surface and hub mounting area to prevent uneven wear
• Torque lug nuts to manufacturer specifications for proper fitment
• Check compatibility with vehicle ABS system as this rotor does not include an ABS tone ring
• Inspect brake pads and replace if necessary to optimize braking performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details for part number 121.44131 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship to ensure product reliability and customer confidence.