Genuine OEM Volkswagen Coolant Hose, part number 7N0819350B. This essential component is responsible for transporting engine coolant throughout the cooling system, playing a vital role in regulating engine temperature and preventing overheating. It is integrated within the vehicle's engine cooling and heating circuit. Weighing 0.5254 kg and measuring approximately 0.625m in length, this hose is designed to withstand high temperatures and pressures. Using a genuine OEM coolant hose ensures the correct material composition and routing geometry, preventing leaks and maintaining the integrity of the cooling system for long-term reliability.