Genuine OEM Volkswagen Engine Air Filter Water Drainage Hose, part number 2Q0129637C. This small but essential hose is designed to drain any water that may accumulate within the engine air filter housing, preventing moisture from reaching the engine's intake system. It connects directly to the air filter box. Weighing 0.023 kg, this genuine OEM hose ensures proper fitment and material resistance, crucial for maintaining a dry air intake and protecting sensitive engine components.