Centric 121.44148 Disc Brake Rotor - Front

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44148

The Centric C-TEK Standard Disc Brake Rotor 121.44148 is engineered for reliable braking performance on Lexus LS460 and Toyota Mirai models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and braking stability under various driving conditions.

• Compatible with Lexus LS460 and Toyota Mirai
• Part number 121.44148 for precise identification
• Vented disc brake rotor design for improved cooling
• Nominal thickness of 1.181 inches (30.000 mm) with discard thickness at 1.063 inches (27.000 mm)
• Outside diameter measures 13.181 inches (334.800 mm)
• Overall height of 2.382 inches (60.500 mm)
• Floating disc mounting with 5 lug holes and 7 miscellaneous holes
• Straight vane style for effective airflow
• Weight approximately 24.15 lbs (10.98 kgs)

Details on C-TEK Standard Disc Brake Rotors Product Line

The C-TEK Standard Disc Brake Rotors line by Centric focuses on delivering rotors that meet or exceed OEM specifications for fit, form, and function. This product line emphasizes consistent manufacturing quality and durability, making it suitable for replacement on vehicles like the Lexus LS460 and Toyota Mirai. The 121.44148 rotor maintains the original equipment’s vented design and smooth surface finish to ensure proper brake pad contact and heat management.

Technical Specifications and Features

This disc brake rotor features a vented design with straight vanes that facilitate efficient heat dissipation, reducing the risk of brake fade during extended use. The rotor’s nominal thickness is 1.181 inches (30.000 mm), with a discard thickness of 1.063 inches (27.000 mm), indicating when replacement is necessary to maintain safe braking performance. The outside diameter of 13.181 inches (334.800 mm) and overall height of 2.382 inches (60.500 mm) ensure proper fitment on compatible Lexus LS460 and Toyota Mirai models. The rotor includes a floating disc mounting system with 5 lug holes (0.650 inches or 16.500 mm diameter) and 7 additional holes for mounting stability. This rotor does not include an ABS tone ring or bearings.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Addressing reduced braking efficiency due to rotor thickness below discard limits
• Resolving noise or vibration issues related to rotor surface irregularities
• Upgrading to OEM-equivalent vented rotors for improved heat management
• Ensuring proper rotor fitment for Lexus LS460 and Toyota Mirai brake systems

Installation Notes and Tips

When installing the Centric C-TEK Standard Disc Brake Rotor 121.44148, ensure the rotor surface is clean and free of any contaminants before mounting. Verify the rotor thickness to confirm it meets or exceeds the nominal thickness specification. Use proper torque settings on the 5 lug bolts to secure the rotor and maintain alignment with the floating disc mounting system. Since this rotor does not include bearings or an ABS tone ring, reuse existing components if applicable. It is recommended to replace brake pads simultaneously to optimize 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 121.44148 should be confirmed with the supplier, Centric typically offers limited warranties covering defects in materials and workmanship. This rotor is designed to provide reliable braking for Lexus LS460 and Toyota Mirai vehicles when installed and maintained according to manufacturer guidelines.