Genuine OEM Audi Air Filter Element, part number 420133843C. This crucial component is designed to effectively remove dust, pollen, and other airborne contaminants from the air entering the engine's intake system. By ensuring a clean air supply, it protects internal engine components from wear and helps maintain optimal combustion efficiency and fuel economy. This cylindrical filter element weighs 0.38 kg and measures 0.22m in length. Opting for a genuine OEM air filter element guarantees the correct filtration media, pleat count, and sealing properties, ensuring maximum protection for your engine and consistent performance over its service life.