Aircraft Transponders for sale on eBay
  Item Description Price  
KT 76a TransponderKT 76a Transponder199.00 USD
KT 76a TransponderKT 76a Transponder275.00 USD
Garmin GTX-327 Transponder, P/N 011-00490-00 WorksGarmin GTX-327 Transponder, P/N 011-00490-00 Works699.96 USD
Bendix King display Transponder PN# 037-00078-0000Bendix King display Transponder PN# 037-00078-0000350.00 USD
TIC T-49CTCAS/MODE S/ATCRBS TRANSPONDER RAMP TEST SETTIC T-49CTCAS/MODE S/ATCRBS TRANSPONDER RAMP TEST SET1000.00 USD
Bendix King KT76A ATC Transponder Mod 1-5 w/rack and backplateBendix King KT76A ATC Transponder Mod 1-5 w/rack and backplate180.00 USD
GARMIN GTX345 w/GPS TRANSPONDER P/N 010-01216-46GARMIN GTX345 w/GPS TRANSPONDER P/N 010-01216-465600.00 USD
Sandia STX 165 TransponderSandia STX 165 Transponder1700.00 USD
Stratus ESG ADSB Out Transponder W/ Tray Appareo 153510-000017Stratus ESG ADSB Out Transponder W/ Tray Appareo 153510-0000171295.00 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed249.99 USD
Narco AT 150 TSO Transponder - Serviced with New FAA 8130-3 FormNarco AT 150 TSO Transponder - Serviced with New FAA 8130-3 Form750.00 USD
Garmin GTX 327 Mode C TransponderGarmin GTX 327 Mode C Transponder749.00 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1232.50 USD
Garmin GTX 23 p/n 011-02803-02Garmin GTX 23 p/n 011-02803-02799.00 USD
Narco Avionics Flightguard Transponder AT6-A Aircraft Airplane Unit BoxNarco Avionics Flightguard Transponder AT6-A Aircraft Airplane Unit Box45.00 USD
BENDIX KING KT 76C ATC TRANSPONDER P/N: 066-01156-0101 With trayBENDIX KING KT 76C ATC TRANSPONDER P/N: 066-01156-0101 With tray450.00 USD
TED TNC 104-13 Aircraft Transponder DME ADS-B Post Antenna Made in USATED TNC 104-13 Aircraft Transponder DME ADS-B Post Antenna Made in USA24.99 USD
Bendix King KT76A ATC Transponder WORKING WHEN REMOVEDBendix King KT76A ATC Transponder WORKING WHEN REMOVED180.00 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New 2025 FAA 8130Garmin GTX-327 Transponder PN 011-00490-00 With New 2025 FAA 8130995.00 USD
Garmin GTX 327 Transponder PN 011-00490-00 With New May 2025 FAA 8130Garmin GTX 327 Transponder PN 011-00490-00 With New May 2025 FAA 81301050.00 USD
Bendix King KT-76A Transponder with trayBendix King KT-76A Transponder with tray85.00 USD
mrt transpondermrt transponder60.00 USD
BENDIX KING KT-76C TRANSPONDER !! P/N 066-01156-0101 ! MODS 1 , 2 , 3 , 4 , 5 !BENDIX KING KT-76C TRANSPONDER !! P/N 066-01156-0101 ! MODS 1 , 2 , 3 , 4 , 5 !245.00 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed150.00 USD
Narco AT 150 Transponder, rated up to 30,000 feet, removed from Cessna 172Narco AT 150 Transponder, rated up to 30,000 feet, removed from Cessna 172300.00 USD
Garmin GTX33ES Transponder 14/28V w/ Rack P/N 011-00779-20 WARRANTY (1125-1710)Garmin GTX33ES Transponder 14/28V w/ Rack P/N 011-00779-20 WARRANTY (1125-1710)1175.00 USD
Garmin GTX-327 Transponder. Comes with Tray. P/N 011-00490-00Garmin GTX-327 Transponder. Comes with Tray. P/N 011-00490-00895.00 USD
BENDIX/KING KT76C TRANSPONDER P/N 066-01156-0101 WITH FAA FORM 8130-3BENDIX/KING KT76C TRANSPONDER P/N 066-01156-0101 WITH FAA FORM 8130-31195.00 USD
Apollo SL70 P/N 430-6090-100Apollo SL70 P/N 430-6090-100550.00 USD
TY91L Transceiver hardware unit PN 01192-00-25TY91L Transceiver hardware unit PN 01192-00-25800.00 USD