Genuine OEM Audi Engine Coolant Hose, part number 4M0819342AN. This hose is a critical component of the engine cooling system, designed to transport coolant between various engine parts and the radiator. It is situated within the engine bay, forming part of the coolant circulation path. Weighing 0.1645 kg, this hose measures approximately 0.325m in length. A genuine OEM coolant hose ensures proper fluid flow, resistance to high temperatures and pressures, and a leak-free connection, vital for engine health.