Genuine OEM Volkswagen Air Filter, part number 3D0129620J. This essential component is located in the engine's intake system, where it filters dust, pollen, and other airborne particles from the air before it enters the combustion chamber. Proper filtration is crucial for engine longevity and efficient fuel combustion. Weighing approximately 0.49 kg, this filter measures 0.228 m in length. Choosing a genuine OEM air filter ensures precise fitment, optimal airflow, and superior filtration efficiency, protecting your engine from harmful debris.