Aircraft Transponders for sale on eBay
  Item Description Price  
Garmin GTX-330 Transponder (Standard, Non-ES) – Like New – Complete PackageGarmin GTX-330 Transponder (Standard, Non-ES) – Like New – Complete Package960.00 USD
Bendix King display Transponder PN# 037-00078-0000Bendix King display Transponder PN# 037-00078-0000350.00 USD
NARCO AT165 TRANSPONDER W/ 8130 PN: AT165NARCO AT165 TRANSPONDER W/ 8130 PN: AT165999.99 USD
Garmin GTX 23 p/n 011-02803-02Garmin GTX 23 p/n 011-02803-02799.00 USD
Sandia STX 165R Remote Mount Aircraft TransponderSandia STX 165R Remote Mount Aircraft Transponder901.00 USD
TED TNC 104-13 Aircraft Transponder DME ADS-B Post Antenna Made in USATED TNC 104-13 Aircraft Transponder DME ADS-B Post Antenna Made in USA24.99 USD
Bendix King KT-76A Transponder with trayBendix King KT-76A Transponder with tray99.00 USD
Garmin GTX-335 ADS-B Transponder w/Built-in GPS & Antenna (New)Garmin GTX-335 ADS-B Transponder w/Built-in GPS & Antenna (New)3695.00 USD
Sandia STX 165 TransponderSandia STX 165 Transponder1700.00 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1227.50 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed249.99 USD
Stratus ESG ADSB Out Transponder W/ Tray Appareo 153510-000017Stratus ESG ADSB Out Transponder W/ Tray Appareo 153510-0000171295.00 USD
Trig TT22 Mode S TransponderTrig TT22 Mode S Transponder1500.00 USD
ATC TRANSPONDER PN: 0661062-00, KINGATC TRANSPONDER PN: 0661062-00, KING310.00 USD
Apollo SL70 P/N 430-6090-100Apollo SL70 P/N 430-6090-100550.00 USD
Garmin GTX 327 Mode C TransponderGarmin GTX 327 Mode C Transponder749.00 USD
Narco AT 150 TSO Transponder - Serviced with New FAA 8130-3 FormNarco AT 150 TSO Transponder - Serviced with New FAA 8130-3 Form750.00 USD
Narco AT150 Transponder w/ Rack 14/28v WARRANTY (1025-161)Narco AT150 Transponder w/ Rack 14/28v WARRANTY (1025-161)395.00 USD
Garmin GTX 327 Transponder PN 011-00490-00 With New May 2025 FAA 8130Garmin GTX 327 Transponder PN 011-00490-00 With New May 2025 FAA 81301050.00 USD
Garmin GTX 335 - 011-03300-00 ADSB TransponderGarmin GTX 335 - 011-03300-00 ADSB Transponder2000.00 USD
Narco Avionics Flightguard Transponder AT6-A Aircraft Airplane Unit BoxNarco Avionics Flightguard Transponder AT6-A Aircraft Airplane Unit Box45.00 USD
BENDIX KING KT 76C ATC TRANSPONDER P/N: 066-01156-0101 With trayBENDIX KING KT 76C ATC TRANSPONDER P/N: 066-01156-0101 With tray750.00 USD
L-3 Harris LYNX NGT-9000 (D)(+) Transponder, Yellow TaggedL-3 Harris LYNX NGT-9000 (D)(+) Transponder, Yellow Tagged4585.00 USD
COLLINS TCAS TRANSPONDER CONTROL 622-9288-007 ARCOLLINS TCAS TRANSPONDER CONTROL 622-9288-007 AR350.00 USD
GARMIN GTX335 Transponder, yellow taggedGARMIN GTX335 Transponder, yellow tagged2485.00 USD
Sandia Aerospace STX 165 Compact Panel Mounted Mode C Transponder P/N: 305832-00Sandia Aerospace STX 165 Compact Panel Mounted Mode C Transponder P/N: 305832-001689.00 USD
Antenna CI-105 DME/Transponder with 8130Antenna CI-105 DME/Transponder with 8130145.00 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New 2025 FAA 8130Garmin GTX-327 Transponder PN 011-00490-00 With New 2025 FAA 8130995.00 USD
Effortless Toll Travel with E-ZPass Transponder for Class 2 Vehicles - IndianaEffortless Toll Travel with E-ZPass Transponder for Class 2 Vehicles - Indiana57.93 USD
BENDIX/KING KT76A TransponderBENDIX/KING KT76A Transponder249.00 USD