Centric 121.44140 Disc Brake Rotor - Front Left

Overview of Centric C-TEK Standard Disc Brake Rotor 121.44140

The Centric C-TEK Standard Disc Brake Rotor 121.44140 is engineered for reliable braking performance on Lexus GS300 and IS250 models. Designed as a vented rotor with a smooth surface, it offers consistent heat dissipation and stable stopping power under various driving conditions.

• Compatible with Lexus GS300 and IS250
• Part number 121.44140 for precise identification
• Vented disc brake rotor design for improved cooling
• Nominal thickness of 1.260 inches (32.000 mm)
• Discard thickness at 1.181 inches (30.000 mm)
• Outside diameter of 11.646 inches (295.800 mm)
• Overall height of 2.000 inches (50.800 mm)
• Floating disc mounting with straight vane style for efficient airflow
• Five stud/lug holes with 0.575 inch (14.600 mm) diameter
• Center hole diameter of 2.441 inches (62.000 mm)
• Weight approximately 19.5 lbs (8.86 kgs)

Detailed Product Description

This Centric C-TEK Standard Disc Brake Rotor 121.44140 is a vented rotor designed to fit Lexus GS300 and IS250 vehicles. The vented design incorporates straight vanes that facilitate effective heat dissipation, reducing the risk of brake fade during extended use. The rotor features a smooth surface type, which ensures consistent pad contact and braking performance. With a nominal thickness of 1.260 inches and a discard thickness of 1.181 inches, this rotor maintains structural integrity and safety standards throughout its service life. The floating disc mounting system allows for slight movement to accommodate thermal expansion, enhancing rotor longevity and performance. The rotor’s dimensions, including an outside diameter of 11.646 inches and an overall height of 2.000 inches, are engineered to meet OEM specifications for the specified Lexus models.

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 121.44140 rotor exemplifies the line’s commitment to quality and compatibility with specific vehicle applications such as the Lexus GS300 and IS250.

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
• Eliminating noise and vibration from uneven rotor surfaces
• Improving heat dissipation to prevent brake fade during heavy use
• Ensuring proper fitment and alignment for Lexus GS300 and IS250 brake systems

Installation Notes and Tips

• Verify rotor thickness before installation to ensure it meets minimum discard thickness
• Clean rotor surface to remove any protective coatings or contaminants
• Use proper torque specifications on mounting bolts to avoid rotor warping
• Inspect brake pads and replace if worn to ensure optimal rotor performance
• Check for proper alignment of the floating disc mounting to prevent uneven wear

Quality Assurance and Warranty

Centric manufactures the C-TEK Standard Disc Brake Rotors to meet stringent quality standards, ensuring durability and consistent braking performance. While specific warranty details for part number 121.44140 should be confirmed with the supplier, Centric typically offers coverage against defects in materials and workmanship. This rotor is produced to OEM specifications, providing confidence in fitment and function for Lexus GS300 and IS250 vehicles.