Centric 320.35120F Disc Brake Rotor - Front

Overview of Centric GCX Elemental Protection Disc Brake Rotors

The Centric GCX Elemental Protection Disc Brake Rotor 320.35120F is engineered for reliable braking performance on select Mercedes-Benz models. Designed with a full coating for enhanced corrosion resistance, this vented rotor supports consistent stopping power and durability.

• Full coating on disc and hat for corrosion protection
• Vented rotor design with curved vanes for heat dissipation
• Nominal thickness of 1.260 inches (32.000 mm) with discard thickness at 1.181 inches (30.000 mm)
• Overall height of 2.543 inches (64.600 mm) and outside diameter of 13.543 inches (344.000 mm)
• Floating disc mounting with 5 lug holes and 4.409 inch (112.000 mm) bolt circle diameter
• Smooth surface finish optimized for brake pad contact

Product Line Details: Centric GCX Elemental Protection Disc Brake Rotors - Full Coating

The Centric GCX Elemental Protection Disc Brake Rotors - Full Coating line focuses on providing rotors with a comprehensive protective coating that extends rotor life by minimizing rust and corrosion. This full coating covers both the braking surface and the rotor hat, making it suitable for vehicles exposed to harsh weather conditions. The 320.35120F rotor exemplifies this approach, combining vented design and protective finishes to maintain performance and structural integrity over time.

Technical Description and Compatibility

This disc brake rotor is specifically compatible with Mercedes-Benz C250, E350, E400, and E550 models. It features a vented rotor design with curved vanes that improve airflow and heat dissipation during braking, reducing the risk of brake fade. The rotor’s floating disc mounting system allows for slight movement to accommodate thermal expansion and improve braking consistency. With a smooth surface finish and a fully coated hat, the rotor is engineered to provide a stable braking surface and resist environmental damage.

Common Applications and Problem Solving

• Replacement for worn or warped rotors causing brake pulsation
• Upgrading corroded rotors to prevent rust-related braking issues
• Addressing brake fade due to overheating with vented rotor design
• Improving rotor longevity in humid or salty environments
• Ensuring proper fitment and performance on Mercedes-Benz C250, E350, E400, and E550

Installation Notes and Tips

When installing the Centric GCX Elemental Protection Disc Brake Rotor 320.35120F, ensure the rotor is mounted on a clean, rust-free hub surface. Verify the 5-lug hole pattern and 4.409 inch bolt circle diameter match the vehicle specifications. Use proper torque settings on lug nuts to avoid rotor warping. 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 ensure optimal braking performance.

Quality Assurance and Warranty

Centric rotors undergo rigorous quality control to meet or exceed OEM specifications. The full coating process enhances corrosion resistance, contributing to longer service life. While specific warranty details for part number 320.35120F are not provided here, Centric typically offers limited warranties covering defects in materials and workmanship. Consult product documentation or manufacturer resources for exact warranty terms.