Genuine OEM Audi Coolant Hose with Quick Release, part number 5N0122157BG. This hose is an integral part of the engine cooling system, designed to connect various components and facilitate the flow of coolant. It features a quick-release fitting for efficient and secure attachment. The hose weighs approximately 0.27 kg, with dimensions of 0.48m length, 0.195m width, and 0.095m height. Choosing a genuine OEM coolant hose ensures the correct routing geometry, material resistance to heat and pressure, and reliable quick-release mechanism for a leak-free and durable connection.