Genuine OEM Audi HVAC Heating Hose, part number 8K0819332K. This hose is designed to transport hot coolant efficiently throughout the vehicle's heating system, ensuring effective cabin temperature regulation. It is a critical component for the HVAC system's functionality. Weighing approximately 0.6 kg, this hose is built to withstand high temperatures and pressures. Choosing a genuine OEM hose ensures correct routing geometry, material integrity, and resistance to thermal cycling for reliable, leak-free performance.