056 121 113 D : Water thermostat for Volkswagen Passat B5

This water thermostat is designed to fit the Volkswagen Passat B5 and ensure the regulation of the coolant temperature within the engine cooling circuit. It is mounted at the water pump level and controls the circulation of coolant according to the opening and closing temperatures specific to this application. As part of the restoration or maintenance of a classic vehicle, replacing this component ensures reliable thermal operation and compliance with original specifications. An essential part to preserve the mechanics of your Passat B5 over time.