Genuine OEM Audi Engine Coolant Hose, part number 3WA122101J. This hose is designed to transport coolant efficiently throughout the engine cooling system, playing a vital role in maintaining the engine's operating temperature. It connects various cooling components, ensuring a sealed and reliable flow of coolant. Weighing 0.1719 kg, this hose is constructed from materials resistant to high temperatures and corrosive coolants. Using a genuine OEM coolant hose ensures the correct routing, pressure resistance, and material compatibility, preventing leaks and maintaining the integrity of the cooling system.