HT40N Water Engine Heater applies fine cast aluminium enclosure, and flame retardant engineering plastic end cap, which is suitable for engine coolant liquid pre-heating of all types. It is easy and simple to use. 
When engine ambient environment is below 4℃, engine coolant and lubrication oil may condense to solid state at cranking phase, losing lubrication and cooling functions. This may hurt the engine. Therefore when engine ambient environment is below 4℃, it shall be added a heater to ensure engine normal cranking and running. 
Inside heating tube of heater adopts stainless steel, with strong corrosion resistance. Heater has lamp indicator function, which can clearly indicates Power On and Heating status. There are 3 heating temperatures to select (standard temperature 40℃; and 50℃and 60℃ heaters are custom made). 
This product suits all kinds of engines with displacement (13-25) L.