Genuine OEM Audi Engine Coolant Hose, part number 4K0819375G. This hose plays a vital role in the vehicle's cooling system, facilitating the circulation of coolant to manage engine temperature and prevent overheating. It is a short, curved hose connecting directly to a heat exchanger. Weighing 0.0623 kg and measuring 0.16m in length, this hose is engineered to meet stringent factory standards. Choosing a genuine OEM hose guarantees precise fitment, durability against thermal stress, and chemical resistance, which are essential for maintaining the integrity and efficiency of the cooling system.