Aircraft Transponders for sale on eBay
  Item Description Price  
Becker Avionics System 2-1/4Becker Avionics System 2-1/4" Mode S Transponder BXP6401-1-(01) WORKING w/ 8130999.95 USDview item details
Mrt mPTX TransponderMrt mPTX Transponder80.00 USDview item details
Collins TDR 950Collins TDR 950150.00 USDview item details
USED - TIC T-43D Transponder Test SetUSED - TIC T-43D Transponder Test Set399.99 USDview item details
Garmin GTX 330 Transponder w/ rack, backplate, connectorGarmin GTX 330 Transponder w/ rack, backplate, connector1100.00 USDview item details
Garmin GTX 330 Transponder P/N 011-00455-00,Garmin GTX 330 Transponder P/N 011-00455-00,600.00 USDview item details
Stratus ES ADSB Out Transponder W/ Tray Appareo 153510-000069Stratus ES ADSB Out Transponder W/ Tray Appareo 153510-0000691500.00 USDview item details
TransponderTransponder120.00 USDview item details
BENDIX KING AIRCRAFT KT 76A FCC DATA ATC TRANSPONDER 066-1062-00BENDIX KING AIRCRAFT KT 76A FCC DATA ATC TRANSPONDER 066-1062-00150.00 USDview item details
ARC Transponder, RT-859A, P/N 42280-0000 (Good-Untested)ARC Transponder, RT-859A, P/N 42280-0000 (Good-Untested)220.00 USDview item details
GARMIN GTX 33ES ADS-B TRANSPONDER PN 011-00779-30 With New 2025 FAA 8130-3 FormGARMIN GTX 33ES ADS-B TRANSPONDER PN 011-00779-30 With New 2025 FAA 8130-3 Form895.00 USDview item details
GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-60 GARMIN GTX 330ES ADS-B TRANSPONDER PN 011-00455-60 1800.00 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
2-Pack E-ZPass Transponder for Indiana Toll Road - Fast, Easy Toll Payments2-Pack E-ZPass Transponder for Indiana Toll Road - Fast, Easy Toll Payments137.99 USDview item details
GTX330GTX330650.00 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 70 TSO 066-01141-0201 Transponder With CageBendix King KT 70 TSO 066-01141-0201 Transponder With Cage279.97 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
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
Bendix King KXP 756 ATC Transponder 066-1071-00 Repaired with FAA 8130-3 FormBendix King KXP 756 ATC Transponder 066-1071-00 Repaired with FAA 8130-3 Form750.00 USDview item details
TRANSPONDER, ADS-B, DME BLADE ANTENNA KING 071-1058-00 NOSTRANSPONDER, ADS-B, DME BLADE ANTENNA KING 071-1058-00 NOS99.00 USDview item details
Narco AT 150 TSO TransponderNarco AT 150 TSO Transponder250.00 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 ATC Transponder PN: 066-1062-00 AS REMOVEDBendix/King KT76A ATC Transponder PN: 066-1062-00 AS REMOVED225.00 USDview item details
Cessna ARC RT 359A PN 41420-1114 14V Transponder Black Rec Transmitter 300 XPDRCessna ARC RT 359A PN 41420-1114 14V Transponder Black Rec Transmitter 300 XPDR299.95 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 8130-3625.00 USDview item details
Transponder Lot For Parts Or RepairTransponder Lot For Parts Or Repair250.00 USDview item details
Bendix/King KT76AAvionics Transponder with radio trayBendix/King KT76AAvionics Transponder with radio tray200.00 USDview item details
96522-4 Diaphragm96522-4 Diaphragm150.00 USDview item details
Compact E-ZPass Transponder - $8 Prepaid, Easy Activation & Mounting IncludedCompact E-ZPass Transponder - $8 Prepaid, Easy Activation & Mounting Included69.99 USDview item details