Genuine OEM Volkswagen Air Filter, part number 2N0129620. This essential component cleans the air entering the engine, preventing harmful particles from reaching internal engine parts. It is typically located within the air intake housing. Measuring approximately 29.5 cm long, 25 cm wide, and 7 cm high, it provides a large filtration surface. Choosing a genuine OEM air filter ensures proper airflow, filtration efficiency, and a precise fit within the airbox, maintaining engine health and performance.