McFarlane Aviation Products FAA-PMA Replacement Aircraft Parts

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Category Description

CHT Thermocouple Probes
Includes fire sleeve and ring terminal hardware. Two different mount styles are available:

Bayonet Mount
These twist and lock into a screw-in adapter. The probe is spring loaded to ensure contact with metal instead of air. Choose bayonet style if the engine model is equipped with threaded thermowell receptor and/or bayonet adapter in the cylinders.

Gasket Mount
These do not require a screw-in adapter. The 18mm gasket fits on many common spark plugs. Some engine designs, such as radial engines, the O-235 and O-200, may prevent the use of bayonet style or may not allow for the use of a bayonet adapter. Choose gasket style if the engine model is NOT equipped with threaded thermowell receptor and/or bayonet adapter in the cylinders.

P/N	Description	Thermocouple Type	Mount	Grounded or Ungrounded	Stagger	Resistance
86251**	CHT Probe	J - Black and Yellow	Bayonet	Grounded	Normal	0.24 +/- .05 Ohms
86202	CHT Probe	J - Black and Yellow	Gasket, 18mm	Grounded	Normal	0.13 + .16 Ohms / - .05 Ohms
86252	CHT Probe	K - Red and Yellow	Bayonet	Grounded	Reverse	0.66 +/- .10 Ohms
AA86146	CHT Probe		Bayonet	Grounded		0.57 +/-

* Does not require bayonet adapter. Screws directly into the thermowell.

** A new installation of P/N 86251 requires P/N 28202 as well.

For more information on probes, go to Thermocouple Probes.

Save with complete kits!

	Part Number	Description	U/M	Retail Price	Your Price	Stock
	AA86146	CHT PROBE BAYONET THERMISTOR Free Shipping	Each	$698.19	$551.19

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