This coolant hose is designed for the Volkswagen Polo Mk2 equipped with a 1.3 litre engine, engine codes GK, HH, HW and HK. It provides the connection between the water pump and the cooling circuit, ensuring proper circulation of the coolant essential for the engine's thermal management. In the context of restoration or maintenance of a classic Polo Mk2, replacing this hose helps maintain the integrity of the cooling circuit and prevent any overheating. A new part suited to this model to preserve the reliability of a classic vehicle.