Centric 121.44141 Disc Brake Rotor - Rear

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44141

The Centric C-TEK Standard Disc Brake Rotor 121.44141 is engineered for reliable braking performance on select Lexus models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and durability for vehicles like the Lexus GS300, GS350, GS430, GS450h, GS460, IS250, and IS350.

• Vented disc brake rotor for improved cooling
• Nominal thickness of 0.701 inches (17.8 mm) with discard thickness at 0.650 inches (16.5 mm)
• Overall height of 2.657 inches (67.5 mm)
• Outside diameter measures 12.205 inches (310 mm)
• Floating disc mounting design
• Five stud/lug holes with a 4.5 inch (114.3 mm) bolt circle diameter
• Straight vane style for efficient airflow
• Compatible with Lexus GS and IS series models

About the C-TEK Standard Disc Brake Rotors Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on providing dependable, OE-quality replacement rotors. These rotors are manufactured to meet or exceed original equipment specifications, ensuring proper fit and function. The 121.44141 rotor exemplifies this line’s commitment to consistent braking performance and durability, making it suitable for daily driving conditions on compatible Lexus vehicles.

Technical Specifications and Features

This vented rotor features a smooth surface type that helps maintain consistent pad contact and braking efficiency. The nominal thickness of 0.701 inches (17.8 mm) and discard thickness of 0.650 inches (16.5 mm) define the rotor’s usable lifespan before replacement is necessary. The overall height of 2.657 inches (67.5 mm) and outside diameter of 12.205 inches (310 mm) ensure compatibility with the specified Lexus models. The rotor includes a floating disc mounting design and straight vane style to optimize heat dissipation during braking. It does not include an ABS tone ring or bearings.

Compatible Vehicles and Applications

• Lexus GS300
• Lexus GS350
• Lexus GS430
• Lexus GS450h
• Lexus GS460
• Lexus IS250
• Lexus IS350

Common Issues Addressed by This Rotor

• Brake rotor warping or uneven wear causing vibration
• Reduced braking performance due to worn or thin rotors
• Excessive brake noise from damaged or scored rotors
• Overheating issues during extended braking periods
• Compatibility problems with OEM brake components

Installation Notes and Tips

Ensure the rotor thickness is measured before installation to confirm it is above the discard thickness of 0.650 inches (16.5 mm). Clean the rotor surface to remove any protective coatings or debris. Use proper torque specifications on the five lug nuts with a 4.5 inch (114.3 mm) bolt circle diameter. Verify the floating disc mounting is correctly seated to avoid brake pulsation. This rotor is designed for vehicles without ABS tone rings, so confirm ABS sensor compatibility if applicable.

Quality Assurance and Warranty

Centric’s C-TEK Standard Disc Brake Rotors are manufactured to meet strict quality standards and original equipment specifications. While specific warranty details for part number 121.44141 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship to ensure customer confidence in product reliability.