Genuine OEM Audi Heating Hose, part number 8K0819334AJ. This essential component is designed to convey heated fluid as part of the vehicle's interior climate control system, ensuring effective cabin heating. It is a shaped hose, approximately 0.3 meters in length. Selecting a genuine OEM heating hose guarantees the correct material composition for high-temperature fluid transfer, precise fitment with quick-connect fittings, and the durability needed for long-term, leak-free operation within the HVAC system.