• 180'F automotive engine grounding fan switch.
• 3/8" NPT brass thread-in temperature probe.
  
• Activates fan at 180 degrees and turns off at 165 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.

Other sizes and temperatures can be found in this eBay listing.