Aircraft Transponders for sale on eBay
  Item Description Price  
KT 76A, FFC data ATC transponderKT 76A, FFC data ATC transponder150.00 USD
Sandia Aerospace Altitude Encoder SAE 5-35Sandia Aerospace Altitude Encoder SAE 5-35195.00 USD
TransponderTransponder100.00 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed250.00 USD
Stratus ES Transponder and rackStratus ES Transponder and rack1300.00 USD
Stratus ESG Transponder by Appareo, refurbished, no rackStratus ESG Transponder by Appareo, refurbished, no rack2000.00 USD
GARMIN GTX 330 TRANSPONDER W/ Tray And Backplate *Read Description*GARMIN GTX 330 TRANSPONDER W/ Tray And Backplate *Read Description*750.00 USD
TKM/Michel Avionics Model 3300 Transponder Test SetTKM/Michel Avionics Model 3300 Transponder Test Set1299.99 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 tray500.00 USD
Stratus ES Transponder P/N: 153510-00069Stratus ES Transponder P/N: 153510-000691425.00 USD
Garmin GTX-335R Transponder P/N 011-03301-00 Garmin GTX-335R Transponder P/N 011-03301-00 1800.00 USD
GARMIN GTX 335(NON WAAS) ADS-B OUT TRANSPONDER WITH TRAY, CONNECTORGARMIN GTX 335(NON WAAS) ADS-B OUT TRANSPONDER WITH TRAY, CONNECTOR2395.00 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130 AND TRAYGarmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130 AND TRAY950.00 USD
ELECTRIC DUAL TRANSPONDER ADAPTER / Model 1080 / 098051-0100ELECTRIC DUAL TRANSPONDER ADAPTER / Model 1080 / 098051-0100299.00 USD
Alpha 745-419-25-001 XP-EDH4 TransponderAlpha 745-419-25-001 XP-EDH4 Transponder79.99 USD
00745-00-05 Trig Avionics TT22 Avidyne AXP322 Mode S Transponder (11-33V)00745-00-05 Trig Avionics TT22 Avidyne AXP322 Mode S Transponder (11-33V)1400.00 USD
S-TEC Pressure Transponder w/ Connector & Bracket P/N 0111 WARRANTY (0325-1565)S-TEC Pressure Transponder w/ Connector & Bracket P/N 0111 WARRANTY (0325-1565)179.95 USD
066-01164-0101 Bendix KT-73 Mode S ATC Transponder with Modification (Core)066-01164-0101 Bendix KT-73 Mode S ATC Transponder with Modification (Core)420.00 USD
Portable SunPass Transponder for Florida Tolls - Slim, Lightweight ConveniencePortable SunPass Transponder for Florida Tolls - Slim, Lightweight Convenience10.79 USD
BENDIX/KING KT 76A ATC TRANSPONDER and Mounting TrayBENDIX/KING KT 76A ATC TRANSPONDER and Mounting Tray180.00 USD
011-00455-30 Garmin GTX-330D Mode S Transponder (Core)011-00455-30 Garmin GTX-330D Mode S Transponder (Core)308.00 USD
ARC RT359A Transponder, yellow taggedARC RT359A Transponder, yellow tagged865.00 USD
Bendix King KT 76A Transponder GoodBendix King KT 76A Transponder Good250.00 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 USA23.99 USD
3G Location Transponder SN: 000034709556, New (L IB)3G Location Transponder SN: 000034709556, New (L IB)14.99 USD
GARMIN GTX 328 TRANSPONDER PN 011-01684-00 14/28VdcGARMIN GTX 328 TRANSPONDER PN 011-01684-00 14/28Vdc950.00 USD
Bendix/King KT76A Transponders P/N 066-1062-00Bendix/King KT76A Transponders P/N 066-1062-00450.00 USD
Bendix King KT-70 Mode S ATC Transponder - 066-01141-1101 CNI-5000 (As Removed)Bendix King KT-70 Mode S ATC Transponder - 066-01141-1101 CNI-5000 (As Removed)200.00 USD
Comant DME/TRANSPONDER ANTENNA CI-105Comant DME/TRANSPONDER ANTENNA CI-105189.00 USD
OVH GARMIN GTX 330 TRANSPONDER 011-00455-00 with Form 8130-3 Tray & BackplateOVH GARMIN GTX 330 TRANSPONDER 011-00455-00 with Form 8130-3 Tray & Backplate1349.00 USD