Genuine OEM Volkswagen Engine Coolant Hose, part number 1EA121054B. This hose is a critical component of the engine cooling system, responsible for circulating coolant to maintain optimal engine operating temperatures. It is positioned within the engine bay, connecting various parts of the cooling circuit. Weighing approximately 0.13 kg, this hose is manufactured from durable, heat-resistant rubber compounds designed to withstand the demanding conditions of the engine environment. Using a genuine OEM coolant hose ensures correct routing, proper diameter, and secure connections, preventing leaks and maintaining the efficiency and longevity of the engine's cooling system.