Genuine OEM Volkswagen Coolant Hose, part number 057121055E. This essential component is responsible for transporting coolant efficiently throughout the engine cooling system, maintaining optimal operating temperatures. It is integrated into the complex network of cooling lines. With a length of approximately 9.5 cm, this hose is designed for precise routing and connection. Opting for a genuine OEM hose guarantees correct routing geometry, resistance to engine fluids, and reliable performance under varying temperatures and pressures.