Genuine OEM Volkswagen Engine Coolant Hose, part number 3Q0122073AC. This hose is a vital component of the engine cooling system, responsible for transporting coolant between various engine components to regulate operating temperature. It is specifically routed within the engine bay to ensure efficient coolant flow. Weighing 0.273 kg with a length of 0.26 m, it is engineered for precise fitment and durability. Using a genuine OEM coolant hose ensures resistance to high temperatures and pressures, proper routing geometry, and prevents leaks, which are critical for engine longevity.