One new original Smiths brand temperature gauge (made in England), part number X80524/2, TL2301/01, 51-312-301-01.  This gauge reads 30-110 degrees Celcius and fits:

Nash Metropolitan 1953 - 1960 (as optional equipment)

It is very important to check the part number on your old gauge and compare that to the part number being sold.  You will find the part number on the gauge face or under the pointer shield.  If you require a different part number please feel free to drop us an email with the required part number.