Genuine OEM Volkswagen Air Conditioning Hose, part number 3Q0816721H. This hose is a vital component of the vehicle's HVAC system, responsible for safely transporting refrigerant between various air conditioning components. It connects parts of the refrigerant circuit, ensuring proper flow for cooling. Measuring approximately 0.5 meters in length and weighing 0.19 kg, it features durable construction with specific end fittings. Using a genuine OEM air conditioning hose guarantees proper routing, pressure resistance, and material compatibility with refrigerants, preventing leaks and ensuring efficient system operation.