Genuine OEM Audi Engine Air Filter Element, part number 4K0133838AB. This essential component is designed to filter incoming air, preventing dust, dirt, and debris from entering the engine's combustion chambers. It sits within the air filter housing, ensuring a clean air supply for optimal engine performance and longevity. Weighing 1.693 kg, this element measures 0.37m x 0.27m x 0.26m. Using a genuine OEM air filter element guarantees precise fitment, proper filtration efficiency, and maintains the engine's designed airflow characteristics.