Aircraft Transponders for sale on eBay
  Item Description Price  
Garmin GTX 33 Transponder P/N: 011-00779-30. REMOVED WORKINGGarmin GTX 33 Transponder P/N: 011-00779-30. REMOVED WORKING850.00 USDview item details
USED - TIC T-43D Transponder Test SetUSED - TIC T-43D Transponder Test Set399.99 USDview item details
Garmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2UGarmin GTX 320A Transponder PN 0110072800 With 2025 FAA 8130 G2U217.80 USDview item details
Matsutec HP-528A Class B+ AIS Transponder Transmission Marine AIS with GPSMatsutec HP-528A Class B+ AIS Transponder Transmission Marine AIS with GPS395.00 USDview item details
BendixKing KT 78 TSO Transponder BendixKing KT 78 TSO Transponder 300.00 USDview item details
Bendix King Radio KT76A ATC Transponder - ATC P/N 066-1062-10Bendix King Radio KT76A ATC Transponder - ATC P/N 066-1062-10274.97 USDview item details
Lynx NGT-9000 D+Lynx NGT-9000 D+2950.00 USDview item details
GARMIN GTX 330 TRANSPONDER PN 011-00455-00GARMIN GTX 330 TRANSPONDER PN 011-00455-00699.99 USDview item details
Narco AT 150 TSO TransponderNarco AT 150 TSO Transponder250.00 USDview item details
Trig TC20 Control head PN 00649-00-01 transponder kit 01318-00 fits ACON A5Trig TC20 Control head PN 00649-00-01 transponder kit 01318-00 fits ACON A5643.90 USDview item details
Narco AT 165 Transponder For PartsNarco AT 165 Transponder For Parts250.00 USDview item details
Trig Transponder Unit model TT22 PN 00745-00-01 fits LSA ACON A5Trig Transponder Unit model TT22 PN 00745-00-01 fits LSA ACON A51690.12 USDview item details
Microair T2000SFL TransponderMicroair T2000SFL Transponder1350.00 USDview item details
ONWA KS-200A+ Class B+ AIS Transponder 5W Transmission Marine AIS with WiFi US#ONWA KS-200A+ Class B+ AIS Transponder 5W Transmission Marine AIS with WiFi US#300.11 USDview item details
Bendix King KT 79 ATC TransponderBendix King KT 79 ATC Transponder350.00 USDview item details
GARMIN GTX 320 TRANSPONDER PN 0110025900 WITH TRAY G2UGARMIN GTX 320 TRANSPONDER PN 0110025900 WITH TRAY G2U234.63 USDview item details
L3 NGT-9000 D+ Lynx Transponder - Part Number: 9029000-20000 w/TCAS antennaL3 NGT-9000 D+ Lynx Transponder - Part Number: 9029000-20000 w/TCAS antenna5400.00 USDview item details
Transponder Lot For Parts Or RepairTransponder Lot For Parts Or Repair200.00 USDview item details
Becker Avionics System 2-1/4Becker Avionics System 2-1/4" Mode S Transponder BXP6401-1-(01) WORKING w/ 8130999.95 USDview item details
Trig TT 31 Transponder 00220-00-01 - Not TestedTrig TT 31 Transponder 00220-00-01 - Not Tested950.00 USDview item details
Narco AT 165 TransponderNarco AT 165 Transponder500.00 USDview item details
BENDIX KING TRANSPONDER KT71 TSOBENDIX KING TRANSPONDER KT71 TSO250.00 USDview item details
GARMIN GTX 345 TRANSPONDER P/N 011-03302-00GARMIN GTX 345 TRANSPONDER P/N 011-03302-005400.00 USDview item details
Bendix/King KT76A ATC Transponder PN: 066-1062-00 AS REMOVEDBendix/King KT76A ATC Transponder PN: 066-1062-00 AS REMOVED225.00 USDview item details
Avidyne Corp. AXP340 Transponder Unit W/ Tray P/N: 200-00247-000 (11-33V)Avidyne Corp. AXP340 Transponder Unit W/ Tray P/N: 200-00247-000 (11-33V)1500.00 USDview item details
Bendix King KT 70 TSO 066-01141-0201 Transponder With CageBendix King KT 70 TSO 066-01141-0201 Transponder With Cage279.97 USDview item details
Cessna ARC RT 359A PN 41420-1114 14V Transponder 300 XPDR w/mounting bracketCessna ARC RT 359A PN 41420-1114 14V Transponder 300 XPDR w/mounting bracket300.00 USDview item details
Bendix/King KT76AAvionics Transponder with radio trayBendix/King KT76AAvionics Transponder with radio tray200.00 USDview item details
ONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFiONWA KS-200A+ Class B+ AIS Transponder 5W Marine AIS for NMEA2000 with WiFi308.88 USDview item details
Bendix/KIng KT-76A Transponder pasted FAR 43 appendix F xpdr test in 07/2025Bendix/KIng KT-76A Transponder pasted FAR 43 appendix F xpdr test in 07/2025300.00 USDview item details