Genuine OEM Audi Bonnet Water Box Seal, part number 4E0823723C. This seal is designed to prevent water from entering the engine compartment from the bonnet's water box or cowl area, protecting sensitive components from moisture damage. It is positioned at the rear of the bonnet area. Made from durable, weather-resistant rubber, it measures approximately 1.54 meters in length. Using a genuine OEM seal guarantees the correct shape, flexibility, and sealing properties to maintain the vehicle's original water protection.