Aircraft Transponders for sale on eBay
  Item Description Price  
Narco AT 150 Transponder, as removedNarco AT 150 Transponder, as removed255.00 USDview item details
USED - TIC T-43D Transponder Test SetUSED - TIC T-43D Transponder Test Set399.99 USDview item details
Terra Aviation Comm + Transponder BundleTerra Aviation Comm + Transponder Bundle699.99 USDview item details
KING KT76A TransponderKING KT76A Transponder135.00 USDview item details
ATC Transponder KT76A Bendix/King P/N 066-1062-00ATC Transponder KT76A Bendix/King P/N 066-1062-00100.00 USDview item details
CI-105-16 Comant Industries DME Transponder AntennaCI-105-16 Comant Industries DME Transponder Antenna140.00 USDview item details
KING KT76A TransponderKING KT76A Transponder75.00 USDview item details
GARMIN GTX 33 TRANSPONDER PN 011-00779-00GARMIN GTX 33 TRANSPONDER PN 011-00779-00250.00 USDview item details
Transponder KT74 89000007-000002 w/ April 2026 Tested 8130Transponder KT74 89000007-000002 w/ April 2026 Tested 81301750.00 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
Garmin GTX 327 320A 320 Transponder Tray Rack With Backplate And ConnectorGarmin GTX 327 320A 320 Transponder Tray Rack With Backplate And Connector200.00 USDview item details
Garmin GTX 327 320A 320 Transponder Tray Rack With BackplateGarmin GTX 327 320A 320 Transponder Tray Rack With Backplate150.00 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
ONWA KS-200A+ Class B+ AIS Transponder 5W Transmission Marine AIS with wifiONWA KS-200A+ Class B+ AIS Transponder 5W Transmission Marine AIS with wifi340.00 USDview item details
Garmin GTX 320 Transponder PN 0110025910 With 2025 FAA 8130 G2UGarmin GTX 320 Transponder PN 0110025910 With 2025 FAA 8130 G2U378.00 USDview item details
Garmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2UGarmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2U415.80 USDview item details
LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -99.00 USDview item details
Stratus ESG Transponder - Install KitStratus ESG Transponder - Install Kit185.00 USDview item details
Trig TT22/TC20 Control Head Remote TransponderTrig TT22/TC20 Control Head Remote Transponder2295.00 USDview item details
Narco AT50A Aircraft Transponder w/ Tray & Harness TSO Aviation AvionicsNarco AT50A Aircraft Transponder w/ Tray & Harness TSO Aviation Avionics249.00 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
400XPDR Aircraft Transponder 41470-1028 RT-459A *READ*400XPDR Aircraft Transponder 41470-1028 RT-459A *READ*350.00 USDview item details
COMANT CI-305 DME TRANSPONDER ANTENNA-NEWCOMANT CI-305 DME TRANSPONDER ANTENNA-NEW275.00 USDview item details
Comant CI‑105 DME / Transponder Antenna TSO‑C66a C74cComant CI‑105 DME / Transponder Antenna TSO‑C66a C74c175.00 USDview item details
Compact E-ZPass Transponder for Travelers - 1-Pack with $8 Activation FundsCompact E-ZPass Transponder for Travelers - 1-Pack with $8 Activation Funds60.19 USDview item details
Appareo Stratus ESG ADS-B Out Transponder P/N 153510-000017Appareo Stratus ESG ADS-B Out Transponder P/N 153510-0000172450.00 USDview item details
Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270200.00 USDview item details
INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -200.00 USDview item details
Marine AIS for NMEA2000 with WiFi ONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFi ONWA KS-200A+ Class B+ AIS Transponder 5W 335.00 USDview item details
COSSOR iff crm 544 radar 1970 crm544 Transponder test set for aircraft UntestedCOSSOR iff crm 544 radar 1970 crm544 Transponder test set for aircraft Untested239.99 USDview item details