J.P. Instruments Oil Temperature Probe 400509 5/8-18

Probe PN 400509 is a complete assembly using type K thermocouple wire (red/yellow). The sensor port is a standard 5/8-18 thread for both the Continental and Lycoming engines. Connect the wire marked oil temperature observing polarity. Wire length has no effect on the readings. Oil temperature will be displayed as an independent temperature digital and bar-graph.