Genuine OEM Volkswagen Coolant Hose, part number 3C0121073AE. This hose is specifically designed to transport engine coolant, playing a critical role in regulating the engine's temperature and preventing overheating. It is constructed to withstand high temperatures and pressures within the cooling system. Weighing 0.085 kg and measuring 0.19m in length, this hose is made from durable rubber compounds. Using a genuine OEM coolant hose ensures precise fitment, proper routing, and long-term resistance to heat and coolant chemicals, preventing leaks and maintaining cooling system efficiency.