Aircraft Transponders for sale on eBay
  Item Description Price  
King KT 79 transponder guaranteed 30 daysKing KT 79 transponder guaranteed 30 days249.00 USDview item details
USED - TIC T-43D Transponder Test SetUSED - TIC T-43D Transponder Test Set399.99 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
Bendix/King KT-76A Transponder passed FAR 43 appendix F xpdr test in 07/2025Bendix/King KT-76A Transponder passed FAR 43 appendix F xpdr test in 07/2025300.00 USDview item details
IFR ATC-1400A Transponder DME Test Set IFR ATC-1400A Transponder DME Test Set view item details
L3 NGT-9000 D+ Lynx Transponder - DEMO UNIT for partsL3 NGT-9000 D+ Lynx Transponder - DEMO UNIT for parts800.00 USDview item details
King KT 76A transponder latest design high serial # guaranteed 30 daysKing KT 76A transponder latest design high serial # guaranteed 30 days395.00 USDview item details
Trig TC20 Control head PN 00649-00-01 transponder fits ACON A5Trig TC20 Control head PN 00649-00-01 transponder fits ACON A5611.70 USDview item details
Bendix King KXP-80 Mode S Remote Transponder KitBendix King KXP-80 Mode S Remote Transponder Kit3099.95 USDview item details
Trig Transponder Unit model TT22 00745-00-01 PLUS TC20 Control head 00649-00-01Trig Transponder Unit model TT22 00745-00-01 PLUS TC20 Control head 00649-00-011650.00 USDview item details
Narco Avionics AT 165 Transponder PARTS ONLY UNTESTEDNarco Avionics AT 165 Transponder PARTS ONLY UNTESTED249.99 USDview item details
Garmin GTX 327 Transponder, P/N 011-00490-00, S/N 83722990, GOOD WORKING UNIT!!Garmin GTX 327 Transponder, P/N 011-00490-00, S/N 83722990, GOOD WORKING UNIT!!675.00 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
GARMIN GTX 320 TRANSPONDER PN 0110025900 WITH TRAY G2UGARMIN GTX 320 TRANSPONDER PN 0110025900 WITH TRAY G2U204.93 USDview item details
GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-60GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-601394.95 USDview item details
Gables Engineering VC297 Transponder Control Head Removed ServiceableGables Engineering VC297 Transponder Control Head Removed Serviceable998.00 USDview item details
GARMIN GTX 330 TRANSPONDER PN 011-00455-00GARMIN GTX 330 TRANSPONDER PN 011-00455-00699.99 USDview item details
Garmin GTX 327 Mode C Transponder Garmin GTX 327 Mode C Transponder 750.00 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
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 74 Transponder & Tray GUARANTEED TO WORKBendix King KT 74 Transponder & Tray GUARANTEED TO WORK2200.00 USDview item details
GARMIN GTX 330 TRANSPONDER PN 011-00455-00 NON-ES With Yellow TagGARMIN GTX 330 TRANSPONDER PN 011-00455-00 NON-ES With Yellow Tag695.00 USDview item details
Bendix King KT 76C ATC Transponder PN 066-01156-0101 with New 8130-3Bendix King KT 76C ATC Transponder PN 066-01156-0101 with New 8130-3593.75 USDview item details
COMANT CI-305 DME TRANSPONDER ANTENNA-NEWCOMANT CI-305 DME TRANSPONDER ANTENNA-NEW275.00 USDview item details
L3 NGT-9000 Lynx Transponder Tray Rack, Backplate, Connectors, interface ModuleL3 NGT-9000 Lynx Transponder Tray Rack, Backplate, Connectors, interface Module475.00 USDview item details
Transponder GTX 335 GMN-01216 Garmin 011-03300-40Transponder GTX 335 GMN-01216 Garmin 011-03300-402000.00 USDview item details
Garmin GTX 33 Remote Transponder - PN: 011-00779-10Garmin GTX 33 Remote Transponder - PN: 011-00779-10250.00 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
GARMIN GTX 33GARMIN GTX 33350.00 USDview item details
Collins TDR-94D transponder 622-9210-007. Working condition.Collins TDR-94D transponder 622-9210-007. Working condition.1999.00 USDview item details