56131851 : Thermo-pneumatic valve for Volkswagen Golf 1 and Passat B2

The thermo-pneumatic valve is a component of the engine thermal management circuit, involved in the regulation of vacuum according to temperature. On a Volkswagen Golf 1 or a Volkswagen Passat B2, its proper functioning directly conditions engine behaviour in cold as well as hot conditions. In the context of restoration or regular maintenance of a classic vehicle, replacing this valve allows you to restore performance in line with the original specification. An essential new part for any enthusiast concerned with maintaining their vehicle in an impeccable mechanical condition.