Aircraft Transponders for sale on eBay
  Item Description Price  
Narco AT 50A TransponderNarco AT 50A Transponder50.00 USD
King Transponder KFS 570 P/N 071-1014-00King Transponder KFS 570 P/N 071-1014-00200.00 USD
Narco AT 50A TransponderNarco AT 50A Transponder50.00 USD
narco at50Anarco at50A199.00 USD
LAPOINT  INDUSTRIES C6280A/APX  C-6280A(P)/APX Transponder Control -LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -200.00 USD
Becker transponder ATC 4401 - Mode A/C with ATC encoder & wiring harnessBecker transponder ATC 4401 - Mode A/C with ATC encoder & wiring harness1200.00 USD
Bendix King KT 76A Transponder PN 066-1062-00Bendix King KT 76A Transponder PN 066-1062-00275.00 USD
Garmin GTX-330 Transponder 011-00455-00, working condition.Garmin GTX-330 Transponder 011-00455-00, working condition.825.00 USD
ARC RT 359-A Transponder With Rack & PlugARC RT 359-A Transponder With Rack & Plug399.99 USD
BENDIX KING KT 76C ATC TRANSPONDER P/N: 066-01156-0201BENDIX KING KT 76C ATC TRANSPONDER P/N: 066-01156-0201700.00 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
King KT-76A Aircraft Transponder 0-66-1034-01King KT-76A Aircraft Transponder 0-66-1034-01200.00 USD
Sentinel Electronics C6280A/APX  C-6280A(P)/APX Transponder Control - 6280E38270Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270249.95 USD
Sandia Aerospace Altitude Encoder SAE 5-35Sandia Aerospace Altitude Encoder SAE 5-35125.00 USD
King Transponder KFS 570 P/N 071-1014-00 King Transponder KFS 570 P/N 071-1014-00 125.00 USD
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)2200.00 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 Rack1050.00 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1227.50 USD
Garmin USB Aviation Data Card Programmer 010-10579-20Garmin USB Aviation Data Card Programmer 010-10579-2079.95 USD
Comant CI-105 DME Transponder AntennaComant CI-105 DME Transponder Antenna91.30 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 KT 70 Mode S Digital Transponder 066-01141-1101 Overhauled FAA 8130Bendix King KT 70 Mode S Digital Transponder 066-01141-1101 Overhauled FAA 8130850.00 USD
ATC Transponder KT71 066-01141-5101 Removed WorkingATC Transponder KT71 066-01141-5101 Removed Working550.00 USD
Apollo SL70 TransponderApollo SL70 Transponder170.00 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
Apollo SL 40 SL40 SL-40 Transponder GRAY Insert Lens Free USPS Priority  GARMINApollo SL 40 SL40 SL-40 Transponder GRAY Insert Lens Free USPS Priority GARMIN54.00 USD
Garmin GTX-327 Transponder PN 011-00490-00Garmin GTX-327 Transponder PN 011-00490-00799.00 USD
Bendix/King KT 71 Mode A/C Transponder - PN 066-01141-5101 (Tested - Working)Bendix/King KT 71 Mode A/C Transponder - PN 066-01141-5101 (Tested - Working)375.00 USD
Transponder collins TDR90 SN/ 24126Transponder collins TDR90 SN/ 24126400.00 USD
King KT76 Transponder 066-1034-00 14VDC/1.2A S/N: 32747 (E-9)King KT76 Transponder 066-1034-00 14VDC/1.2A S/N: 32747 (E-9)100.00 USD