- 140'F automotive engine grounding fan switch.
- 3/8" NPT brass thread-in temperature probe.
- Activates fan at 140 degrees and turns off at 125 degrees.
- Universal fit for any application with a 3/8" NPT port.
- Threads into engine block, radiator, manifold or water outlet.
- Measures temperature of any liquid including motor oil.
- Perfect complement to our American Volt electric fans.
- Complete thermostat wiring kits listed on our store.