Centric 320.40090F Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.40090F is engineered for Acura MDX and TLX models, providing reliable braking performance with a fully coated finish. Designed to resist corrosion and wear, this vented rotor supports consistent stopping power under various driving conditions.

• Fully coated disc and hat finish for enhanced corrosion resistance
• Vented rotor design with 44 straight vanes for improved heat dissipation
• Nominal thickness of 1.102 inches (28.000 mm) with discard thickness at 1.024 inches (26.000 mm)
• Outside diameter of 12.598 inches (320.000 mm) for precise fitment
• Floating disc mounting and smooth surface type for optimal brake pad contact
• Five lug holes with 0.496 inch (12.600 mm) diameter and 4.496 inch (114.200 mm) bolt circle diameter

Centric GCX Elemental Protection Product Line Details

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on delivering rotors with a complete protective coating to extend rotor life and reduce surface rust. This product line is specifically designed to maintain rotor integrity and appearance over time, making it suitable for Acura MDX and TLX vehicles that require durable and corrosion-resistant braking components.

Technical Specifications and Features

This Centric rotor features a vented design with 44 straight vanes, which enhances airflow and cooling during braking. The rotor’s overall height measures 1.854 inches (47.100 mm), and it includes a center hole diameter of 2.524 inches (64.100 mm) to ensure proper hub fitment. The rotor weighs approximately 19.6 lbs (8.9 kgs), balancing durability and performance. The floating disc mounting system helps accommodate thermal expansion and reduces stress on the rotor.

Applications and Problem Solving

• Replacement for worn or warped rotors on Acura MDX and TLX models
• Addresses rotor corrosion and surface rust issues with full coating
• Improves heat dissipation to reduce brake fade during extended use
• Restores smooth braking performance by providing a smooth rotor surface
• Compatible with vehicles requiring a 5-lug, 12.6 mm diameter stud pattern

Installation Notes and Tips

• Ensure rotor thickness is above discard thickness (1.024 inches) before installation
• Clean hub surface to prevent rotor runout and ensure proper mounting
• Use proper torque specifications for lug nuts to avoid rotor warping
• Check compatibility with ABS systems; this rotor does not include an ABS tone ring
• Inspect brake pads and replace if worn to maximize rotor lifespan

Quality Assurance and Warranty

Centric rotors are manufactured to meet or exceed OEM specifications for fit, form, and function. The full coating process provides additional protection against corrosion, contributing to longer service life. While specific warranty details are not provided here, Centric typically offers coverage against defects in materials and workmanship for their brake components.