Genuine OEM Volkswagen Coolant Hose, part number 12E122051G. This hose is part of the engine cooling system, connecting various components to circulate coolant. It is located in the engine bay, connecting to the radiator. Made from durable rubber and plastic for long-lasting performance. Genuine OEM coolant hoses are manufactured to precise specifications to ensure proper fitment and coolant flow, preventing leaks and overheating.