Genuine OEM Audi Coolant Hose With Coupling, part number 4K0819334G. This hose is designed to connect various components within the engine's cooling system, facilitating the flow of coolant. It features an integrated coupling for quick and secure connections. Made from durable, heat-resistant materials, it weighs 0.079 kg. A genuine OEM coolant hose with coupling ensures leak-free connections, precise routing, and durability against thermal cycling and pressure, critical for cooling system reliability.