Genuine OEM Volkswagen Coolant Hose Quick Release, part number 7P6122051D. This hose transports coolant between engine components and the radiator or other cooling system parts. It features a quick-release mechanism for easy installation and removal and is located at position 1 in the engine cooling system. The hose has dimensions of 0.53m x 0.195m x 0.1m. Genuine OEM coolant hoses are manufactured to exact specifications for proper flow and durability, ensuring reliable engine temperature regulation.