Autometer Stack 52mm mechanical water temperature gauge, 120–240°F range, black face with 1/2" NPT male connection. Designed for vehicles with limited or no electrical power, the mechanical Stack gauge reads directly via a sensor tube rather than electrical signals, offering reliable temperature indication in applications where conventional electric gauges are unsuitable.
Autometer Stack 52mm 120-240 Deg F 1/2in Npt (M) Mechanical Water Temp Gauge - Black