Centric 121.44122 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44122

The Centric C-TEK Standard Disc Brake Rotor 121.44122 is engineered for reliable braking performance on Lexus LS430 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for everyday driving conditions.

• Compatible with Lexus LS430
• Part number 121.44122
• Vented disc brake rotor design for improved cooling
• Overall diameter of 12.402 inches (315 mm)
• Nominal thickness of 1.181 inches (30 mm) with discard thickness at 1.102 inches (28 mm)
• Floating disc mounting with straight vane style for efficient airflow
• 5 lug holes with 4.5 inch (114.3 mm) bolt circle diameter
• Center hole diameter of 2.441 inches (62 mm)
• Weight approximately 21.25 lbs (9.66 kgs)

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.44122 is specifically designed for the Lexus LS430, ensuring precise fitment and optimal braking performance. The rotor features a vented design with straight vanes that promote effective heat dissipation, reducing the risk of brake fade during extended use. The smooth surface type provides consistent pad contact and braking feel. With a nominal thickness of 1.181 inches (30 mm) and a discard thickness of 1.102 inches (28 mm), this rotor meets OEM specifications for thickness tolerances. The floating disc mounting style allows for slight movement to accommodate thermal expansion, enhancing rotor longevity. The rotor includes five lug holes with a 4.5 inch (114.3 mm) bolt circle diameter and a center hole diameter of 2.441 inches (62 mm), matching the LS430’s hub specifications.

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers rotors designed to meet or exceed OEM standards for fit, form, and function. This product line focuses on providing reliable braking components with precise engineering, including vented rotor designs for improved heat management. The 121.44122 rotor is part of this line, delivering consistent performance and durability tailored for Lexus LS430 applications.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus LS430
• Addresses brake pulsation and vibration issues
• Restores proper rotor thickness for safe braking
• Improves heat dissipation to reduce brake fade
• Ensures proper fitment with floating disc mounting

Installation Notes and Tips

• Verify rotor thickness before installation; replace if below discard thickness of 1.102 inches (28 mm)
• Ensure hub surface is clean and free of debris for proper rotor seating
• Torque lug nuts to manufacturer specifications for Lexus LS430
• Check for proper alignment of the 5 lug holes and center hole diameter of 2.441 inches (62 mm)
• Inspect brake pads and replace if worn to maintain optimal braking performance

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards, ensuring consistent performance and durability. While specific warranty details for part number 121.44122 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship.