Genuine OEM Volkswagen Coolant Hose, part number 2E0121157A. This essential hose carries coolant within the engine cooling system, playing a critical role in maintaining optimal engine operating temperatures. It is positioned as a connection point within the engine block's cooling circuit. Weighing 0.129 kg, this hose is constructed from durable, heat-resistant materials. Using genuine OEM coolant hoses ensures correct routing geometry, pressure resistance, and material compatibility with engine coolants, preventing leaks and premature failure.