Aircraft Transponders for sale on eBay
  Item Description Price  
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
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 07/2025225.00 USDview item details
King KT 79 transponder guaranteed 30 daysKing KT 79 transponder guaranteed 30 days249.00 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
Mode S Transponder TT22 00745-00-05 Removed WorkingMode S Transponder TT22 00745-00-05 Removed Working1195.00 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 327 Transponder P/N 011-00490-00, S/N 83711449Garmin GTX 327 Transponder P/N 011-00490-00, S/N 83711449649.95 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 76A Transponder PN 066-1062-02 Rev 4 Ships FreeBendix King KT 76A Transponder PN 066-1062-02 Rev 4 Ships Free399.95 USDview item details
Transponder GTX 335 GMN-01216 Garmin 011-03300-40Transponder GTX 335 GMN-01216 Garmin 011-03300-402000.00 USDview 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
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
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
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
Garmin GTX 33 Transponder Garmin GTX 33 Transponder 239.00 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
Garmin GTX-327 Transponder 11-33VDC. P/N: 011-00490-00 8130 & 90 Day WarrantyGarmin GTX-327 Transponder 11-33VDC. P/N: 011-00490-00 8130 & 90 Day Warranty999.95 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 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
GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-60GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-601394.95 USDview item details
Garmin GTX 33 Remote Transponder - PN: 011-00779-10Garmin GTX 33 Remote Transponder - PN: 011-00779-10225.00 USDview item details
(NEW) Trig Transponder TT 26 PN 01629-00-01 01629-00-07 SW Version 1.13(NEW) Trig Transponder TT 26 PN 01629-00-01 01629-00-07 SW Version 1.13999.99 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
Garmin GTX 327 Transponder P/N 011-00490-00, S/N 83718270Garmin GTX 327 Transponder P/N 011-00490-00, S/N 83718270649.95 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
ARC RT-859A Aircraft Transponder – REC-Transmitter – 24V – P/N 42260-1028ARC RT-859A Aircraft Transponder – REC-Transmitter – 24V – P/N 42260-1028249.00 USDview item details