Centric 320.44090F Disc Brake Rotor - Rear

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.44090F offers reliable braking performance for Lexus GS300, GS400, GS430, IS300, and SC430 models. Designed with a full coating, this rotor provides enhanced corrosion resistance and durability for long-term use.

• Full coating on disc and hat for superior rust protection
• Solid disc type with smooth surface finish for consistent braking
• Nominal thickness of 0.472 inches (12.000 mm) with discard thickness at 0.413 inches (10.500 mm)
• Outside diameter of 12.087 inches (307.000 mm) suitable for specified Lexus models
• Five stud/lug holes with 0.571 inch (14.500 mm) diameter and 4.500 inch (114.300 mm) bolt circle diameter
• Overall height of 2.492 inches (63.300 mm) for proper fitment
• Center hole diameter of 2.441 inches (62.000 mm) for accurate mounting
• Weight approximately 12.5 lbs (5.68 kgs)

About the Centric GCX Elemental Protection Disc Brake Rotors - Full Coating Line

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line is engineered to provide enhanced elemental protection through a complete coating process on both the disc and hat surfaces. This full coating helps prevent corrosion and extends rotor life, making it a practical choice for vehicles exposed to harsh weather or road conditions. The 320.44090F rotor is part of this line, offering a balance of durability and performance for Lexus GS and IS series vehicles.

Detailed Product Description

This Centric disc brake rotor features a solid design with a smooth surface type, ensuring consistent contact with brake pads and reliable stopping power. The rotor’s nominal thickness of 0.472 inches (12.000 mm) and discard thickness of 0.413 inches (10.500 mm) provide clear service limits for maintenance. The fully coated disc and coated hat finishes protect against rust and corrosion, which is critical for maintaining braking efficiency over time. The rotor’s dimensions, including a 12.087 inch (307.000 mm) outside diameter and 2.492 inch (63.300 mm) overall height, are specifically designed to fit Lexus GS300, GS400, GS430, IS300, and SC430 models, ensuring proper fit and function.

Common Issues Addressed by This Rotor

• Corrosion and rust buildup on brake rotors
• Uneven or inconsistent braking performance
• Rotor wear beyond discard thickness limits
• Brake noise caused by surface irregularities
• Fitment issues with OEM replacement parts

Installation Notes and Tips

• Verify rotor dimensions and fitment with your Lexus model before installation
• Ensure the mounting surface and hub are clean and free of debris
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check brake pads for wear and replace if necessary during rotor installation
• Perform a bed-in procedure after installation to optimize braking performance

Quality Assurance and Warranty

Centric brake rotors are manufactured to meet or exceed OEM specifications, ensuring reliable performance and safety. The full coating process enhances corrosion resistance, contributing to longer service life. While specific warranty details for part number 320.44090F are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or the manufacturer for exact warranty terms.