Genuine OEM Volkswagen Coolant Hose, part number 5QA122101. This hose assembly is engineered to carry coolant efficiently throughout the engine's cooling system, playing a critical role in maintaining optimal engine operating temperature. It features multiple branches and integrated connection points for proper routing. Constructed from robust rubber and plastic materials, this hose weighs 0.558 kg. Using a genuine OEM coolant hose ensures correct dimensions, resistance to thermal cycling and chemical degradation, and reliable sealing, which are crucial for preventing leaks and ensuring consistent cooling performance.