9milelake Stainless Steel 30 PSI Pressure Transducer or Sender for Oil,air 0-30 PSI range 0.5V - 4.5V linear voltage output Works for oil,or air pressure. Can be used in oil tank, gas tank, etc. using top of line 316 stainless steel (not 304) and high temperature auto-graded plastic Mating connector and wire harness (pigtail) is included