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Alcor By Tempest EGT And CHT 3-1/8 Gauges

From $53.65 to $1004.00
Prices below incude GST
Description Part Number Price Buy
Alcor Basic EGT/CHT 3-1/8
10-20700
$1104.40
Quantity
46156 Alcor Meter CHT/EGT J&K
46156
$724.90
Quantity
42525 ALCOR EGT TYPE K 90" LEAD
42525
$59.02
Quantity
42535 ALCOR CHT TYPE J 90" LEAD
42535
$68.04
Quantity
86255 Alcor EGT Probe Type K
86255
$137.34
Quantity
86251 Alcor CHT Probe Type J
86251
$136.12
Quantity
Subtotal $0.00
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Overview

Alcor EGT and CHT 3-1/8" combo gauges are aircraft quality gauges which will provide precise monitoring of engine temperatures. PMA/FAA approved. Some of the most popular systems are shown here, and all systems are available. Request quotation on unlisted models.

Basic system kits include the 3-1/8" instrument, one lead and one probe to monitor the EGT & CHT for a single cylinder.

Reviews

According to alcor, these are the correct probes for my M20TN acclaim with TSIO550-G1. They work and install as OEM, but the clamp has to be trimmed to size and deburred. TCM M-0 required that they be safety wired, see AC43-13 for best practice.

Ronald Y Verified Purchase

86255 Alcor EGT Probe Type K

April 1, 2025

My CHT was not registering. Changed out the probe for this one and worked great. All the parts including the heat shield and zip ties came with it.

Nick P Verified Purchase

86251 Alcor CHT Probe Type J

March 10, 2025

This item was shipped to me quickly. I appreciate the detailed product description when ordering. This is a perfect fit for my airplane.

Dana R Verified Purchase

86255 Alcor EGT Probe Type K

October 29, 2024

Exact fit. Easy to install.Kit comes with new tiny screw and nut set insulatoe sleeve and zip ties.

Brian J Verified Purchase

86255 Alcor EGT Probe Type K

September 28, 2024

Not the most exciting purchase, but it did include a nice snakeskin protector for the wire junctions.

Brooks M Verified Purchase

42525 Alcor EGT Type K 90

September 10, 2024

Whats alive again!

Brooks M Verified Purchase

86255 Alcor EGT Probe Type K

September 10, 2024

Kevin W Verified Purchase

42535 Alcor CHT Sender Lead Type J 90

July 30, 2024

Kevin W Verified Purchase

86251 Alcor CHT Probe Type J

July 30, 2024

Aircraft Spruce is the best at expediting shipping and delivery

Phillip H Verified Purchase

86255 Alcor EGT Probe Type K

July 17, 2024

Phil G Verified Purchase

42535 Alcor CHT Sender Lead Type J 90

May 9, 2024

Q&A

Please note, Aircraft Spruce Australia'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 Australia 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: Whats the difference between the J and the K lead of the alcor EGT system?

Type j and type k thermocouple leads are two different alloys that react with one another based on the thermocouple effect. Each egt/cht gauge requires a certain thermocouple type to respond properly.

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