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JPI EDM Oil Temperature Probe 400509 5/8-18

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Part# 11-09614
MFR Model# 400509


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.
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Had to return this probe, the only place for it was to replace the original temp gage probe. I reordered the 1/4 in probe.

Charles H Verified Purchase

JPI OIL TEMP PROBE 400509 5/8-18

December 6, 2022

This JPI EDM 350 was easy to install. The directions and manual were easy to understand. Every wire was clearly labeled.I needed to change to this K type on my engine, and it too went in easy.

February 21, 2019


Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: How long is the wire lead on this JPI EDM Oil Temperature Probe 400509 5/8-18?

The wire lead is approximately 10 ft long.

Q: What is the JPI 400509 probes length?

Approx 1 inch length for the probe portion.

Q: what is the temp range?, what is the ohmm reading on the leads?

Per JPI P/N 11-09614 has no true temp range. With a 1 Ohmn reading

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