This plug is designed to vent excess pressure to the expansion tank before re-opening the cooling circuit, thus ensuring optimum pressure in the system.
With a pressure range of 1.22 to 1.49 bar, this plug ensures precise pressure maintenance, contributing to effective engine protection against overheating.
With a diameter of 55mm, this plug is compatible with vehicles requiring this specification. What's more, it's available in a version with a valve under reference AS-10381.
