INDICATOR: CHT,NEW,EXCH (P/N 602-256) - New Surplus

The 602-256 is a cylinder head temperature (CHT) indicator for piston aircraft engines. This panel-mounted gauge displays real-time temperature readings from a thermocouple probe installed in a selected engine cylinder, helping pilots monitor engine health during flight. The instrument features dual-scale markings in °F and °C with color-coded warning zones.

Installation requires routing the thermocouple lead from the engine cylinder through firewall penetrations to the indicator, then calibrating per aircraft maintenance manual specifications. Essential for detecting engine overheating and maintaining optimal performance in general aviation and light commercial aircraft.

What is the INDICATOR: CHT,NEW,EXCH (P/N 602-256)?

The 602-256 is a cylinder head temperature (CHT) indicator for piston aircraft engines. This panel-mounted gauge displays real-time temperature readings from a thermocouple probe installed in a selected engine cylinder, helping pilots monitor engine health during flight.

Is the 602-256 calibrated and ready to install?

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

Can the 602-256 be used as a direct replacement in my aircraft?

The INDICATOR: CHT,NEW,EXCH 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 602-256?

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 602-256.