Genuine OEM Audi Bonnet Seal Foam, part number 8U0823721A. This foam seal is designed to create a tight barrier along the left side of the bonnet opening, preventing the ingress of water, dust, and debris into the engine compartment. It is positioned at the front left of the engine bay. Genuine OEM seals provide the exact contour and material density for a perfect fit, ensuring effective protection and maintaining the vehicle's original NVH (Noise, Vibration, Harshness) characteristics.