Genuine OEM Volkswagen Air Filter Box, part number 5N0129607E. This essential component houses and protects the engine's air filter, ensuring that only clean, filtered air enters the intake system. It is precisely molded from durable plastic to provide an airtight seal and proper airflow routing. Using a genuine OEM air filter box guarantees correct fitment, optimal air filtration efficiency, and protection against contaminants, which is vital for engine longevity and performance.