Part# 10-25075
MFR Model# PS-211-8168


These electric instruments are lighted, allow easy installation, & feature a 2 year factory warranty. Order gauges and senders separately as shown. 12V operation unless other wise noted. Gauges fit 2-1/4" panel hole.

For use with Mitchell D1-211-5102.
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The extension lead is a good quality part at a reasonable price. Aircraft Spruce also delivered in a timely manner. I rated it a 4 in lieu of a 5 because this lead and several of the Mitchell products are difficult to find online and in the catalog.

Jim R
October 21, 2020


Please note, Aircraft Spruce'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 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: On the Mitchell CHT gauges, how long is the 14mm sender (10-25080) and what is the CHT lead (10-25185) used for?

On part number 10-25080 (14mm sender) it is a 1 foot lead where 10-25185 is a 10 foot extension.

Q: Can the end of the probe be replaced with a different ring terminal, or does that affect the accuracy of the gauge? Also, does shortening the lead affect the accuracy?

Per the manufacturer, as long as the ring terminal is the correct millimeter size for the spark plug, it should be fine. Also per the manufacturer, shortening the lead will not affect accuracy.

Q: Are the green / red range markings customizable upon ordering?

Range marks are included at no charge if vendor receives the range mark data at the time of order. These are hand marked directly on the dial, not the glass.

Q: What extension wire is recommended for use with the 18mm sender (part # 10-25075)?

The 10' extension wire is part number 10-25185.

Q: Can the Mitchell D1-211-5102 CHT gauge be used with an Alcor 86251 Probe?

Yes, Alcor probe 86251 will work with the Mitchell D1-211-5102 CHT Gauge.

Q: Will these probes work with an alcor gauge?

If the Alcor is one that uses type J senders then yes.

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