Aircraft Transponders for sale on eBay
  Item Description Price  
Apollo/Garmin SL70 Mode C Transponder with TrayApollo/Garmin SL70 Mode C Transponder with Tray220.00 USDview item details
USED - TIC T-43D Transponder Test SetUSED - TIC T-43D Transponder Test Set399.99 USDview item details
ARC RT-459A 400XPDR Transponder - PN 41470-1028 + Rack - As Removed, UntestedARC RT-459A 400XPDR Transponder - PN 41470-1028 + Rack - As Removed, Untested169.95 USDview item details
Terra Aviation Comm + Transponder BundleTerra Aviation Comm + Transponder Bundle699.99 USDview item details
CI105 Comant DME Transponder AntennaCI105 Comant DME Transponder Antenna128.80 USDview item details
Garmin GTX- 320 or 327 transponder adapter P/N 011-00292-00Garmin GTX- 320 or 327 transponder adapter P/N 011-00292-00150.00 USDview item details
Narco AT 150 TSO Transponder - Serviced with New FAA 8130-3 FormNarco AT 150 TSO Transponder - Serviced with New FAA 8130-3 Form750.00 USDview item details
Garmin GTX 320 Transponder PN 011-00259-00 - Needs RepairGarmin GTX 320 Transponder PN 011-00259-00 - Needs Repair195.00 USDview item details
NEW Garmin GA 35 WAAS GPS Antenna with TED Transponder/DME Monopole AntennaNEW Garmin GA 35 WAAS GPS Antenna with TED Transponder/DME Monopole Antenna324.99 USDview item details
BECKER ATC-3401 TRANSPONDER WITH CU-5401 REMOTE CONTROL UNIT + ACK A-30 ENCODERBECKER ATC-3401 TRANSPONDER WITH CU-5401 REMOTE CONTROL UNIT + ACK A-30 ENCODER995.00 USDview item details
Bendix King KT76A Transponder with altitude encoder AK350 KT 76ABendix King KT76A Transponder with altitude encoder AK350 KT 76A199.00 USDview item details
Bendix King KT 76C ATC Transponder - PN 066-01156-0101 (As Removed)Bendix King KT 76C ATC Transponder - PN 066-01156-0101 (As Removed)750.00 USDview item details
Gables Engr. P/N G7614-706 Transponder Control Unit, S/N 52202Gables Engr. P/N G7614-706 Transponder Control Unit, S/N 522022500.00 USDview item details
Indiana Toll Road E-ZPass 2-Pack - Convenient Transponders for Seamless TravelIndiana Toll Road E-ZPass 2-Pack - Convenient Transponders for Seamless Travel137.99 USDview item details
Matsutec HP-528A Marine GPS Navigator Class B AIS Transponder GOTO Track 4.3-inMatsutec HP-528A Marine GPS Navigator Class B AIS Transponder GOTO Track 4.3-in392.00 USDview item details
Garmin GTX 320 Transponder PN 0110025910 With 2025 FAA 8130 G2UGarmin GTX 320 Transponder PN 0110025910 With 2025 FAA 8130 G2U450.00 USDview item details
Bendix King KT 76A Transponder - 066-1062-00Bendix King KT 76A Transponder - 066-1062-00225.00 USDview item details
Trig TT22/TC20 Control Head Remote TransponderTrig TT22/TC20 Control Head Remote Transponder2295.00 USDview item details
King KT 76A Transponder PN 066-1062-00 - w/ New FAA 8130-3 FormKing KT 76A Transponder PN 066-1062-00 - w/ New FAA 8130-3 Form450.00 USDview item details
Comant CI‑105 DME / Transponder Antenna TSO‑C66a C74cComant CI‑105 DME / Transponder Antenna TSO‑C66a C74c175.00 USDview item details
LYNX® NGT-9000 (D)(+), ADSB, traffic, Weather, Etc. IncludesPIM-9000 TransponderLYNX® NGT-9000 (D)(+), ADSB, traffic, Weather, Etc. IncludesPIM-9000 Transponder5500.00 USDview item details
COMANT CI-305 DME TRANSPONDER ANTENNA-NEWCOMANT CI-305 DME TRANSPONDER ANTENNA-NEW250.00 USDview item details
ARC Cessna RT 359A Transponder 42290-0028 - As Removed For Parts / DisplayARC Cessna RT 359A Transponder 42290-0028 - As Removed For Parts / Display107.84 USDview item details
Microair Aircraft TransponderMicroair Aircraft Transponder2150.00 USDview item details
King KT-76a Transponder with EncoderKing KT-76a Transponder with Encoder200.00 USDview item details
Transponder AT150 Narco Avionics AT150TSOTransponder AT150 Narco Avionics AT150TSO400.00 USDview item details
Narco AT-165 Transponder P/N 036090305 Fits AT-50/AT-50A/AT-150/AT-155 TrayNarco AT-165 Transponder P/N 036090305 Fits AT-50/AT-50A/AT-150/AT-155 Tray625.00 USDview item details
Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270225.00 USDview item details
Garmin GTX 335 Transponder 14/28V PN 011-03300-40Garmin GTX 335 Transponder 14/28V PN 011-03300-402250.00 USDview item details
Garmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2UGarmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2U495.00 USDview item details