the temperature senders work with indicators to give an audible or visual warning signal. it is used for excavators. it may fit many other machine models, so please refer to the ps and the part numbers to check more compatiable models. plug mounting for easy installation. it is made in standards and the working performance is stable and perfect. excavator spare parts including bearings, gears, seal kits, engine parts, motors, pumps, solenoids, valves, etc..syi