Genuine OEM Volkswagen Coolant Hose, part number 5K0122051AA. This hose connects engine components to the cooling system, featuring a quick-release coupling for easy installation and removal. It is located at position 2 in the cooling system assembly. The part weighs 1.176 kg and has dimensions of 0.49m x 0.42m x 0.12m. Genuine OEM coolant hoses are manufactured to exact specifications to prevent leaks and ensure proper coolant flow.