Genuine OEM Volkswagen Coolant Hose, part number 4M0122449AD. This hose transports coolant through the engine and cooling system to regulate engine temperature. It is located at position 11 in the cooling system assembly. Constructed from high-quality rubber and designed for precise fitment, this hose ensures reliable coolant flow. Genuine OEM coolant hoses are manufactured to exact specifications to withstand extreme temperatures and pressures, preventing leaks and ensuring the longevity of your engine's cooling system.