Genuine OEM Audi Engine Coolant Hose, part number 4K0121447AK. This essential hose is designed to transport coolant efficiently within the engine cooling system, playing a critical role in maintaining optimal engine operating temperatures. It features a specific molded shape for correct routing and connection to various cooling components. With approximate dimensions of 0.32m length, 0.12m width, and 0.055m height, and weighing 0.081 kg. Opting for genuine OEM hoses guarantees the correct material properties, including resistance to high temperatures and pressures, and ensures a leak-free, durable connection for reliable cooling performance.