Aircraft Transponders for sale on eBay
  Item Description Price  
TQ KTXv2 Transponder With ADSD In And Out Capabilities (nexnav 2100 Waas GPS)TQ KTXv2 Transponder With ADSD In And Out Capabilities (nexnav 2100 Waas GPS)2100.00 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed150.00 USD
Narco AT 50A TransponderNarco AT 50A Transponder50.00 USD
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 WiFi292.88 USD
Bendix/King KN 64 DME No Rack No Plug Removed For UpgradeBendix/King KN 64 DME No Rack No Plug Removed For Upgrade529.99 USD
AIRCRAFT RADIO AND CONTROL TRANSPONDER PN:41420-1128AIRCRAFT RADIO AND CONTROL TRANSPONDER PN:41420-1128150.00 USD
King KT76A transponder high serial number guaranteed 30 daysKing KT76A transponder high serial number guaranteed 30 days295.00 USD
00745-00-01 (Alt: 87252) Trig Avionics TT22 Remote Transponder (Volts: 11-33)00745-00-01 (Alt: 87252) Trig Avionics TT22 Remote Transponder (Volts: 11-33)1680.00 USD
AXP322 (Alt: 00745-00-05) Avidyne Trig TT22 Mode S TransponderAXP322 (Alt: 00745-00-05) Avidyne Trig TT22 Mode S Transponder1484.00 USD
LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -LAPOINT INDUSTRIES C6280A/APX C-6280A(P)/APX Transponder Control -175.00 USD
Bendix/King KN 64 DME No Rack No Plug Removed For Upgrade *No Data Plate*Bendix/King KN 64 DME No Rack No Plug Removed For Upgrade *No Data Plate*449.99 USD
ACK 4 Foot Interface Cable Assembly A30.11.01 A-30-11-01 Encoder to TransponderACK 4 Foot Interface Cable Assembly A30.11.01 A-30-11-01 Encoder to Transponder21.95 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1227.50 USD
Sandia Aerospace Altitude Encoder SAE 5-35Sandia Aerospace Altitude Encoder SAE 5-35125.00 USD
IFD Skyline 300 Transponder In-Flight Device Unknown ConditionIFD Skyline 300 Transponder In-Flight Device Unknown Condition150.00 USD
narco at50Anarco at50A199.00 USD
Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270Sentinel Electronics C6280A/APX C-6280A(P)/APX Transponder Control - 6280E38270249.95 USD
Bendix King KT-78A Transponder P/N 066-1062-01-RBendix King KT-78A Transponder P/N 066-1062-01-R65.00 USD
Appareo Stratus ESG Transponder ADS-B 153510-000017 Tray Included Used WarrantyAppareo Stratus ESG Transponder ADS-B 153510-000017 Tray Included Used Warranty1850.00 USD
Bendix/King KI209 Removed For UpgradeBendix/King KI209 Removed For Upgrade349.99 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed250.00 USD
Tray rack for King KT76A transponder with 28 volt changeover kit 050-1578-00Tray rack for King KT76A transponder with 28 volt changeover kit 050-1578-0075.00 USD
Bendix/King KT-71 Mode C Transponder P/N: 066-01141-5101Bendix/King KT-71 Mode C Transponder P/N: 066-01141-5101250.00 USD
Rami AV-22 Transponder AntennaRami AV-22 Transponder Antenna80.00 USD
Garmin GTX-330 Transponder 011-00455-00, working condition.Garmin GTX-330 Transponder 011-00455-00, working condition.799.00 USD
LYNX NGT-9000 UsedLYNX NGT-9000 Used3750.00 USD
Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130Garmin GTX-327 Transponder PN 011-00490-00 With New April 2025 FAA 8130995.00 USD
King KT 79 transponder guaranteed 30 daysKing KT 79 transponder guaranteed 30 days349.00 USD
Collins TDR-90 ATC Transponder P/N 622-1270-001Collins TDR-90 ATC Transponder P/N 622-1270-001145.00 USD
PARTS! Bendix/King KT-76 TSO Transponder (UNTESTED)PARTS! Bendix/King KT-76 TSO Transponder (UNTESTED)100.00 USD