Genuine OEM Audi Coolant Hose, part number 1K0819374B. This hose is a vital component of the engine cooling system, responsible for carrying coolant between various engine components to regulate temperature. It ensures efficient heat transfer away from the engine. Measuring approximately 0.3 m in length and weighing 0.0875 kg, this hose is constructed from durable rubber. Opting for a genuine OEM coolant hose guarantees the correct material resistance to heat and pressure, along with precise molded geometry for leak-free connections and reliable cooling performance.