Aircraft Transponders for sale on eBay
  Item Description Price  
TQ KTXv2 Transponder With ADSD In And Out Capabilities (nexnav 2100 Waas GPS)TQ KTXv2 Transponder With ADSD In And Out Capabilities (nexnav 2100 Waas GPS)2100.00 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed150.00 USD
Narco AT 50A TransponderNarco AT 50A Transponder50.00 USD
Collins TDR-90 ATC Transponder P/N 622-1270-001Collins TDR-90 ATC Transponder P/N 622-1270-001145.00 USD
Appareo Stratus ESG Transponder ADS-B 153510-000017 Tray Included Used WarrantyAppareo Stratus ESG Transponder ADS-B 153510-000017 Tray Included Used Warranty1850.00 USD
NARCO AT165 ATC Transponder Slide-In Replacement for AT-150, includes AT50 RackNARCO AT165 ATC Transponder Slide-In Replacement for AT-150, includes AT50 Rack900.00 USD
066-01143-0601 Bendix MST-67A Transponder with Green Repairable Tag (Core)066-01143-0601 Bendix MST-67A Transponder with Green Repairable Tag (Core)252.00 USD
00745-00-01 (Alt: 87252) Trig Avionics TT22 Remote Transponder (Volts: 11-33)00745-00-01 (Alt: 87252) Trig Avionics TT22 Remote Transponder (Volts: 11-33)1680.00 USD
LYNX NGT-9000 UsedLYNX NGT-9000 Used3750.00 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130995.00 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1227.50 USD
BENDIX KING KT76A TRANSPONDER AIRCRAFT PARTS BELL CESSNA PIPER AEROCOMMANDERBENDIX KING KT76A TRANSPONDER AIRCRAFT PARTS BELL CESSNA PIPER AEROCOMMANDER200.00 USD
King KT 79 transponder guaranteed 30 daysKing KT 79 transponder guaranteed 30 days349.00 USD
ARC Cessna RT 359A Transponder 41420-1114 - As RemovedARC Cessna RT 359A Transponder 41420-1114 - As Removed199.99 USD
King Transponder KFS 570 P/N 071-1014-00King Transponder KFS 570 P/N 071-1014-00200.00 USD
Sandia Aerospace Altitude Encoder SAE 5-35Sandia Aerospace Altitude Encoder SAE 5-35125.00 USD
Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270249.95 USD
King KT-70 Mode S ATC Transponder 066-01141-1101 (As-is)King KT-70 Mode S ATC Transponder 066-01141-1101 (As-is)125.50 USD
Bendix/King KX 155 No G/S 14V No Rack No Plug - Squelch INOP, Nav IntermittentBendix/King KX 155 No G/S 14V No Rack No Plug - Squelch INOP, Nav Intermittent499.99 USD
Bendix/King KT-71 Mode C Transponder P/N: 066-01141-5101Bendix/King KT-71 Mode C Transponder P/N: 066-01141-5101250.00 USD
Garmin GTX 32 011-00768-00Garmin GTX 32 011-00768-00150.00 USD
RAMI AV-74 DME Transponder AntennaRAMI AV-74 DME Transponder Antenna159.00 USD
Garmin GTX-330 Transponder 011-00455-00, working condition.Garmin GTX-330 Transponder 011-00455-00, working condition.799.00 USD
NARCO TRANSPONDERNARCO TRANSPONDER220.00 USD
GARMIN GTX 345R TRANSPONDER P/N 011-03303-00 WITH RACK AND BACK CONNECTORSGARMIN GTX 345R TRANSPONDER P/N 011-03303-00 WITH RACK AND BACK CONNECTORS3100.00 USD
BENDIX/KING KT76A TRANSPONDERBENDIX/KING KT76A TRANSPONDER340.00 USD
Bendix King KT 76A Transponder PN 066-1034-01Bendix King KT 76A Transponder PN 066-1034-01250.00 USD
Bendix King KT 76A Transponder 066-1062-00 - Needs RepairBendix King KT 76A Transponder 066-1062-00 - Needs Repair50.00 USD
Linx NGT 9000 Transponder ADSB in and out.Linx NGT 9000 Transponder ADSB in and out.6500.00 USD
Collins TDR-90 ATC Transponder P/N 622-1270-001Collins TDR-90 ATC Transponder P/N 622-1270-001145.00 USD