2 pack automotive engine grounding fan switches.
3/8" NPT brass thread-in temperature probe and 1/2" adaptor.
Switch grounds fan at 200 degrees and turns off fan at 185 degrees.
Universal fit for any application with a 3/8" or 1/2" NPT threaded port.
Threads into engine block, radiator, manifold, water outlet etc.
Measures temperature of any liquid, including motor oil.
Perfect complement to our American Volt electric fans.
Includes 2 insulated female wire connectors.