Aircraft Transponders for sale on eBay
  Item Description Price  
Microair transponder T2000 SFL NOS Never InstalledMicroair transponder T2000 SFL NOS Never Installed650.00 USDview item details
NARCO AT 50A TSO TRANSPONDER - Chassis - WORKING when removed - Free ShippingNARCO AT 50A TSO TRANSPONDER - Chassis - WORKING when removed - Free Shipping199.99 USDview item details
ONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFi tp1ONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFi tp1293.70 USDview item details
Bendix King KT 76A Transponder - 066-1062-00Bendix King KT 76A Transponder - 066-1062-00299.99 USDview item details
MRT Transponder - MyLaps TransponderMRT Transponder - MyLaps Transponder69.99 USDview item details
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 USA25.99 USDview item details
GARMIN GTX 345 TRANSPONDER P/N 011-03302-00 With New 8130-3GARMIN GTX 345 TRANSPONDER P/N 011-03302-00 With New 8130-35200.00 USDview item details
Garmin GTX 327 Mode C TransponderGarmin GTX 327 Mode C Transponder749.00 USDview item details
Garmin GTX-327 Transponder. Comes with Tray and ConnectorGarmin GTX-327 Transponder. Comes with Tray and Connector895.00 USDview item details
King KT76 Aircraft Transponder Mode C TSO With Tray Panel Mount UntestedKing KT76 Aircraft Transponder Mode C TSO With Tray Panel Mount Untested199.99 USDview item details
Garmin GNX375 WAAS GPS Navigator & ADS-B In/Out Transponder, PN 011-04378-00Garmin GNX375 WAAS GPS Navigator & ADS-B In/Out Transponder, PN 011-04378-007600.00 USDview item details
(NEW) Trig Transponder TT 26 PN 01629-00-01 01629-00-07 SW Version 1.13(NEW) Trig Transponder TT 26 PN 01629-00-01 01629-00-07 SW Version 1.131199.99 USDview item details
Garmin GTX 327 Transponder PN 011-00490-00 With New 2026 FAA 8130Garmin GTX 327 Transponder PN 011-00490-00 With New 2026 FAA 81301050.00 USDview item details
Apollo SL70 Mode C Transponder & Mounting Tray— Working When RemovedApollo SL70 Mode C Transponder & Mounting Tray— Working When Removed250.00 USDview item details
BENDIX KING KT 71 TSO TRANSPONDER PN 066-01141-5101 WITH TRAYBENDIX KING KT 71 TSO TRANSPONDER PN 066-01141-5101 WITH TRAY140.00 USDview item details
ONWA KS-200A+ Class B+ AIS Transponder 5W Transmission Marine AIS with wifiONWA KS-200A+ Class B+ AIS Transponder 5W Transmission Marine AIS with wifi325.00 USDview item details
ARC RT-859A Aircraft Transponder – REC-Transmitter – 24V – P/N 42260-1028ARC RT-859A Aircraft Transponder – REC-Transmitter – 24V – P/N 42260-102869.00 USDview item details
Bendix King KT 79 Transponder 14V / 28V PN 066-1053-00 - mod 1,2,3 spare stockBendix King KT 79 Transponder 14V / 28V PN 066-1053-00 - mod 1,2,3 spare stock175.00 USDview item details
SunPass Pro Transponder. Not tested. Sold AS-iS.SunPass Pro Transponder. Not tested. Sold AS-iS.11.95 USDview item details
GARMIN GTX-330GARMIN GTX-330750.00 USDview item details
USED Comant CI 5000-1-L Transponder Radiophone AntennaUSED Comant CI 5000-1-L Transponder Radiophone Antenna245.00 USDview item details
TED 104-12 DME/Transponder antennaTED 104-12 DME/Transponder antenna32.50 USDview item details
Appareo Stratus ESG ADSB Out Transponder 153510-000017 Demo UnitAppareo Stratus ESG ADSB Out Transponder 153510-000017 Demo Unit1295.00 USDview item details
Comant Industries, Inc. CI 105 DME Transponder AntennaComant Industries, Inc. CI 105 DME Transponder Antenna85.95 USDview item details
Garmin GTX 327 Mode C TransponderGarmin GTX 327 Mode C Transponder749.00 USDview item details
GARMIN GTX-327GARMIN GTX-327695.00 USDview item details
*New In Box* CI-105-20 Comant Industries DME Transponder Antenna Ships Fast*New In Box* CI-105-20 Comant Industries DME Transponder Antenna Ships Fast225.00 USDview item details
NARCO AT 50A TRANSPONDER For 30,000 Ft In TrayNARCO AT 50A TRANSPONDER For 30,000 Ft In Tray59.99 USDview item details
ARC Cessna RT‑359A Aircraft Transponder P/N 41420-1128ARC Cessna RT‑359A Aircraft Transponder P/N 41420-1128199.00 USDview item details
Matsutec HP-528A Class B+ AIS Transponder Transmission Marine AIS with GPSMatsutec HP-528A Class B+ AIS Transponder Transmission Marine AIS with GPS425.00 USDview item details