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Westach J Type CHT Sender 712-8Wk

$68.75/Each
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Part# 10-00717
MFR Model# 712-8WK

Overview

712-8WK "J" wire CHT sender, 12mm ring, 4' lead

Made in USA
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Reviews

This product does not live up to the previous probes of this part number I have been ordering from Westach for 25 years. It is inferior as the ring snapped off from the wire on its very first installation, identical to every other previous installation. Obviously not up to Westach standards and sourced from --China? Anyway totally disappointed in this new version of this product from Westach.

Nick S Verified Purchase

Westach CHT Probe J Wire 12MM Ring Type 4 Lead 712-8Wk

August 15, 2025

The hole in the ring terminal is closer to 13mm. Not a good fit at all for a 12mm spark plug. I wasn’t happy about that. If they leak, I’m returning them.

Arthur S Verified Purchase

Westach CHT Probe J Wire 12MM Ring Type 4 Lead 712-8Wk

May 25, 2023

Q&A

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: Are there extensions for these leads?

Yes there are extensions for westach probes. Please view part number: 15-06259 for the 5 foot cable.