The DFC Geomet-coated front brake rotor for 2021–2025 Audi Q4 e-tron is a hi-carbon alloy direct-fit replacement crafted to restore reliable braking on electric crossover models. Built with G3000/G11H18 iron castings and OE vane geometry for efficient heat dissipation, the rotor is precision mill-balanced to reduce vibration, fine-turned to 16 RMS for smoother pad break-in, and finished with Geomet corrosion protection. DTV ≤0.10 mm; lateral runout ≤0.50 mm.
DFC 21-25 Audi Q4 E-Tron Front Hi-Carbon Alloy GEOMET Coated Rotor