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Garmin

RX1-11-20301

Garmin CHT Probe 494-70008-00

149.68 EUR/EA

Excluding VAT

Availability

Up to 2 EA ready to ship on Thursday 2026-11-12Order before 16:00 CET Tomorrow

Up to 9 EA ready to ship on Monday 2026-11-16Order before 16:00 CET Tomorrow

2 EA available on request, inbound freight fee of 60 EUR appliesSpecial order from vendor stock.

Part numbers

Roctexo: RX1-11-20301
Manufacturer: 494-70008-00
Vendor: ASS-11-20301
Vendor: 11-20301

Product details

The Garmin 494-70008-00 is a Type K thermocouple probe intended for cylinder head temperature (CHT) measurement. It is supplied in a 3/8-24 bayonet-style configuration.

Garmin identifies this part number as an optional CHT sensor for engine indication system installations. In Garmin G3X Touch Part 23 documentation, it is referenced as an Alcor 86252 Type K probe and listed as “Interface Only”; installation approval and configuration must therefore be verified against the applicable current aircraft and avionics documentation.

Garmin part number: 494-70008-00
Sensor type: Type K thermocouple
Measurement: Cylinder head temperature (CHT)
Probe style: 3/8-24 bayonet
Unit of measure: Each

Refer to the applicable Garmin installation and maintenance documentation before installation.

Documentation: Garmin G3X Touch EFIS Part 23 AML STC Maintenance Manual