03C 121 110 E: Thermostat for Volkswagen Golf 5 and Polo 9N

The thermostat is an essential component of the engine cooling circuit: it regulates the temperature of the cooling fluid by allowing or blocking its circulation to the radiator. In the context of restoration or maintenance of a Volkswagen Golf 5 or a Volkswagen Polo 9N, replacing it allows you to restore correct thermal management and prevent any risk of overheating. This new part is compatible with both models mentioned and constitutes a reliable choice for returning the vehicle to a state of proper operation.