Centric 320.44137H Disc Brake Rotor - Front Right

Overview of Centric GCX Elemental Protection Disc Brake Rotor

The Centric GCX Elemental Protection Disc Brake Rotor (part number 320.44137H) is engineered for Lexus models including GS350, GS430, GS450h, GS460, IS200t, IS300, and IS350. Designed with a full coating and high carbon content, this rotor offers reliable braking performance and enhanced durability.

• Full coating on disc and hat for corrosion resistance
• High carbon content for improved heat dissipation and reduced brake fade
• Vented rotor design with curved vanes for efficient cooling
• Floating disc mounting for better rotor alignment and performance
• Compatible with 5-lug wheel configurations on specified Lexus models

Detailed Product Features and Specifications

This Centric GCX Elemental Protection Disc Brake Rotor features a fully coated disc finish and coated hat finish to protect against rust and corrosion, extending rotor life. The rotor is vented with curved vanes, which enhances airflow and cooling during braking, reducing the risk of overheating. It has a nominal thickness of 1.173 inches (29.8 mm) and a discard thickness of 1.063 inches (27.0 mm), ensuring safe replacement intervals. The rotor’s outside diameter measures 13.15 inches (334 mm), with an overall height of 2.0 inches (50.8 mm). The center hole diameter is 2.441 inches (62 mm), and it mounts on a 5-lug bolt pattern with a 4.5-inch (114.3 mm) bolt circle diameter. The rotor weighs approximately 25.6 lbs (11.6 kg), balancing durability and performance.

Centric GCX Elemental Protection Product Line

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating, High Carbon Content line focuses on providing rotors with enhanced corrosion resistance and thermal management. The full coating on both the disc and hat components helps prevent rust, while the high carbon content improves heat dissipation and reduces brake fade. This product line is designed to meet or exceed OEM specifications, making it suitable for Lexus GS and IS series vehicles requiring reliable braking components.

Applications and Problem Solving

• Replacement for worn or warped rotors on Lexus GS350, GS430, GS450h, GS460, IS200t, IS300, and IS350
• Addresses brake noise and vibration caused by uneven rotor surfaces
• Helps reduce brake fade during extended or aggressive driving
• Prevents corrosion-related rotor damage in humid or salty environments
• Improves overall braking consistency and pedal feel

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.063 inches) before installation
• Clean hub surface and mounting area to ensure proper rotor seating
• Torque lug nuts to manufacturer specifications for secure fitment
• Check compatibility with ABS tone ring requirements; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to optimize rotor performance

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM standards for fit, form, and function. The high carbon content and full coating contribute to consistent braking performance and extended rotor life. While specific warranty details are not provided, Centric products typically come with a limited warranty against defects in materials and workmanship.