THERMOCOUPLE (P/N 3037731) - New Surplus

Part 3037731 is a thermocouple for reciprocating engine temperature monitoring. This dissimilar-metal junction sensor measures exhaust gas temperature (EGT) or cylinder head temperature (CHT) and transmits readings to cockpit instruments. Common aircraft types include J and K thermocouples; bayonet-style CHT probes follow AN5541 series specifications.

The sensor connects via leads to engine instrumentation systems for real-time engine health monitoring. Installation requires verification against the aircraft's Illustrated Parts Catalog and adherence to the engine manufacturer's maintenance manual for proper probe placement and lead routing.

What is the THERMOCOUPLE (P/N 3037731)?

Part 3037731 is a thermocouple for reciprocating engine temperature monitoring. This dissimilar-metal junction sensor measures exhaust gas temperature (EGT) or cylinder head temperature (CHT) and transmits readings to cockpit instruments.

Is the 3037731 calibrated and ready to install?

Calibration status depends on the condition. Overhauled instruments come fully calibrated with an 8130-3 tag. The THERMOCOUPLE is available in: New Surplus. Contact us to confirm calibration status for your selected condition.

Can the 3037731 be used as a direct replacement in my aircraft?

The THERMOCOUPLE is designed as a form-fit-function replacement. Verify the part number against your aircraft's Illustrated Parts Catalog (IPC) and instrument panel layout to confirm compatibility before ordering.

Do you offer instrument exchange programs for the 3037731?

Yes, we offer core exchange programs on select instruments. Send your unserviceable unit and receive a discount on the replacement. Call (904) 998-9101 or submit an RFQ to check exchange availability for the 3037731.