Genuine OEM Audi Coolant Hose, part number 4E0265355E. This hose is designed to carry coolant between various engine components, facilitating heat exchange and maintaining the engine's optimal operating temperature. It is a short, U-shaped hose, part of the complex cooling system network. Constructed from high-quality, flexible rubber, it is built to withstand the demanding conditions of high temperatures and pressures. Choosing a genuine OEM hose ensures precise fitment, correct routing, and the specified material properties for reliable and leak-free performance, crucial for the longevity of the cooling system.