Genuine OEM Audi Engine Coolant Hose, part number 4G1265348B. This hose is an essential part of the engine cooling system, responsible for circulating coolant between various engine components to maintain optimal operating temperatures. It is designed to withstand the high temperatures and pressures inherent in the cooling system. Constructed from robust, heat-resistant rubber, this hose ensures a reliable and leak-free connection. Choosing genuine OEM guarantees the correct material properties, precise internal diameter, and exact routing for a secure and efficient cooling system.