Centric 121.44123 Disc Brake Rotor - Rear

Reliable Disc Brake Rotor for Lexus LS430

The Centric C-TEK Standard Disc Brake Rotor 121.44123 is engineered to meet the braking demands of the Lexus LS430. Designed as a vented rotor with a smooth surface, it provides consistent performance and durability for your vehicle's braking system.

• Compatible with Lexus LS430 models
• Part number 121.44123 for precise identification
• Vented disc brake rotor design for improved heat dissipation
• Overall diameter of 12.205 inches (310 mm) and nominal thickness of 0.630 inches (16 mm)
• Five lug holes with a 4.5-inch (114.3 mm) bolt circle diameter
• Center hole diameter of 2.441 inches (62 mm)
• Solid construction with a smooth surface type
• Weight approximately 13.25 lbs (6.02 kgs)

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric offers reliable replacement rotors designed to meet or exceed OEM specifications. This product line focuses on providing rotors with consistent thickness and quality materials, ensuring proper fitment and braking performance. The 121.44123 rotor is part of this line, featuring vented construction to help reduce heat buildup during braking, which is essential for maintaining stopping power and rotor longevity on the Lexus LS430.

Product Specifications and Features

This disc brake rotor features a vented design with straight vanes to enhance airflow and cooling. The nominal thickness is 0.630 inches (16 mm), with a discard thickness of 0.571 inches (14.5 mm), indicating when the rotor should be replaced to maintain safe braking. The overall height measures 2.642 inches (67.1 mm), and the rotor includes five stud/lug holes sized at 0.571 inches (14.5 mm) diameter, arranged on a 4.5-inch (114.3 mm) bolt circle diameter. The center hole diameter is 2.441 inches (62 mm), ensuring proper mounting on the hub. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus LS430
• Addresses brake pulsation caused by uneven rotor surfaces
• Restores proper braking performance and pedal feel
• Helps reduce brake fade through vented rotor design
• Suitable for routine maintenance and brake system repairs

Installation Notes and Tips

Ensure the rotor thickness is above the discard thickness before installation. Clean the rotor surface to remove any protective coatings or debris. Verify the rotor fits securely on the hub using the 2.441-inch center hole and aligns with the five lug holes on the 4.5-inch bolt circle. Use proper torque specifications for lug nuts to avoid rotor warping. This rotor is designed for floating or direct installation depending on the vehicle's brake system configuration.

Quality Assurance and Warranty

Centric C-TEK Standard Disc Brake Rotors are manufactured to meet OEM standards for fit, form, and function. While specific warranty details are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Using part number 121.44123 ensures compatibility and quality for your Lexus LS430 braking system.