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Westach CHT 4 Cylinder Add-On Kit

From $51.75 to $201.95
Description Part Number Price Buy
Add-On Kit For CHT 4Cyl
10-01064
$201.95
Quantity
Westach 4 Position Switch With 8 Lead 254-4F Non-TSO
10-01244
$65.75
Quantity
Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO
10-01226
$51.75
Quantity
Subtotal $0.00
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Overview

Add-on kit for single-position system already installed. Consists of selector switch 3 or 5 probes for CHT to provide analyzer for 4 cylinder engine.

Made in USA
   
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.

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Reviews

Just bench tested these and will update the review in the future. A key feature of these CHT probes is 4 foot metal shielding, which allows splice insulation to survive outside of the hot engine compartment, compared to short lead parts.

Donelson L Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

February 20, 2026

Just bench tested these and will update the review in the future. A key feature of these CHT probes is 4 foot metal shielding, which allows splice insulation to survive outside of the hot engine compartment, compared to short lead parts.

Donelson L Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

February 20, 2026

Just bench tested these and will update the review in the future. A key feature of these CHT probes is 4 foot metal shielding, which allows splice insulation to survive outside of the hot engine compartment, compared to short lead parts.

Donelson L Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

February 20, 2026

Works great

Peter H Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

May 5, 2025

perfect fit. works good.

Terry Z Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

March 6, 2025

Worked great

Thomas E Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

November 12, 2024

Exactly what I was hoping for. Easy to install with clear instructions.

James W Verified Purchase

Westach 4 Position Switch With 8 Lead 254-4F Non-TSO

August 21, 2024

Philip J Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

July 17, 2024

James R Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

August 7, 2023

Fred T Verified Purchase

Westach CHT Probe J Wire 18MM Ring 4 Lead 712-5Wk Non-TSO

February 21, 2023

Q&A

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.

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