Genuine OEM Volkswagen Coolant Hose, part number 7T0819330. This hose is designed to transport coolant efficiently through various components of the engine cooling system, playing a critical role in maintaining optimal engine operating temperatures. It is a small, curved hose, weighing 0.0425 kg. Using a genuine OEM coolant hose ensures the correct material composition for resistance to heat and coolant chemicals, precise routing geometry, and secure connections, preventing leaks and ensuring the long-term integrity of the cooling system.