Genuine OEM Audi Air Filter Element, part number 1K0129620B. This essential filter is responsible for cleaning incoming air, preventing dust, pollen, and other contaminants from entering the engine's combustion chambers. It ensures a clean air supply for optimal engine performance and longevity. Weighing 0.45 kg and measuring 0.35m x 0.228m x 0.05m, this genuine OEM air filter provides the precise filtration efficiency and airflow characteristics required by the manufacturer, protecting the engine from premature wear.