Genuine OEM Volkswagen Coolant Hose Assembly with Pump, part number 5WA820499. This integrated component is responsible for circulating coolant throughout the engine's cooling system, effectively regulating engine temperature to prevent overheating and ensure optimal operating conditions. The assembly includes multiple hoses and an integrated pump or valve, forming a complex pathway for coolant flow. Weighing approximately 1.83 kg, it is constructed from durable, heat-resistant materials designed to withstand the demands of the engine environment. Using a genuine OEM assembly guarantees precise routing, correct flow rates, and reliable performance, critical for the longevity and efficiency of the engine.