Genuine OEM Volkswagen Coolant Hose, part number 2N0121073N. This hose connects components within the cooling system to allow for proper coolant circulation. It is located in the engine cooling assembly, indicated by position 46 on the diagram. The part weighs 0.112 kg and has dimensions of 0.245m x 0.08m x 0.06m. Genuine OEM coolant hoses are constructed with specific materials to withstand high temperatures and pressures, ensuring leak-free operation and optimal engine cooling.