Genuine OEM Volkswagen Air Conditioning Hose, part number 1C0820721AA. This essential component is responsible for transporting refrigerant throughout the air conditioning system, enabling efficient cooling and climate control within the cabin. It connects various AC components. The hose features durable construction with secure metal fittings, measuring 0.74 meters in length. Choosing a genuine OEM AC hose ensures correct routing geometry, proper pressure resistance, and compatibility with specific refrigerants, preventing leaks and maintaining system integrity.