Aircraft Transponders for sale on eBay
  Item Description Price  
ATC TRANSPONDER PN: 0661062-00, KINGATC TRANSPONDER PN: 0661062-00, KING310.00 USD
(2) Narco AT 150 Transponder (14/28 VDC) - Sold for Parts or Repair(2) Narco AT 150 Transponder (14/28 VDC) - Sold for Parts or Repair250.00 USD
Sandia Aerospace Altitude Encoder SAE 5-35Sandia Aerospace Altitude Encoder SAE 5-35125.00 USD
King KXP 756 ATC Transponder King KXP 756 ATC Transponder 250.00 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1232.50 USD
Alan ARC Cessna RT 359A Transponder 41420-1128 INOP As Removed For Parts OnlyAlan ARC Cessna RT 359A Transponder 41420-1128 INOP As Removed For Parts Only49.67 USD
Garmin GTX 330 Mode S Transponder P/N 011-00455-00 – Tested GoodGarmin GTX 330 Mode S Transponder P/N 011-00455-00 – Tested Good999.99 USD
APPAREO STRATUS ES TRANSPONDER From Cirrus SR 22 Gen 1APPAREO STRATUS ES TRANSPONDER From Cirrus SR 22 Gen 11650.00 USD
Narco AT 150 TSO TransponderNarco AT 150 TSO Transponder150.00 USD
Garmin GTX-327 Transponder. Comes with Tray. P/N 011-00490-00Garmin GTX-327 Transponder. Comes with Tray. P/N 011-00490-00895.00 USD
Apollo SL70 Mode C Transponder - Parts OnlyApollo SL70 Mode C Transponder - Parts Only100.00 USD
Terra TRT 250 D Aircraft Transponder 1900-0365-00Terra TRT 250 D Aircraft Transponder 1900-0365-00400.00 USD
Stratus ESG ADSB Out Transponder W/ Tray Appareo 153510-000017Stratus ESG ADSB Out Transponder W/ Tray Appareo 153510-0000171295.00 USD
Terra Transponder TRT 250 D Terra Transponder TRT 250 D 750.00 USD
GARMIN GTX-330 TRANSPONDER !!! P/N 011-00455-00 !!!GARMIN GTX-330 TRANSPONDER !!! P/N 011-00455-00 !!!792.50 USD
Narco AT 150 Transponder, rated up to 30,000 feet, removed from Cessna 172Narco AT 150 Transponder, rated up to 30,000 feet, removed from Cessna 172300.00 USD
Bendix King KT 76C Mode C TransponderBendix King KT 76C Mode C Transponder499.00 USD
RAMI – AV-74 TRANSPONDER ANTENNA – DME – ADS – B - 960 – 1220 MHzRAMI – AV-74 TRANSPONDER ANTENNA – DME – ADS – B - 960 – 1220 MHz199.00 USD
Narco AT 150 TSO Transponder - As RemovedNarco AT 150 TSO Transponder - As Removed150.00 USD
RT-859A/APX-72 TRANSPONDERRT-859A/APX-72 TRANSPONDER750.00 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 320A Transponder With Tray For Parts (Used & Untested)Garmin GTX 320A Transponder With Tray For Parts (Used & Untested)129.00 USD
Stratus ES ADSB Out Transponder W/ Tray, Wiring HarnessStratus ES ADSB Out Transponder W/ Tray, Wiring Harness1495.00 USD
King KT 76C digital transponder. Very nice. Guaranteed 30 daysKing KT 76C digital transponder. Very nice. Guaranteed 30 days749.00 USD
ARC Transponder 400 Rack P/N 42290-0028ARC Transponder 400 Rack P/N 42290-002840.00 USD
Trig TT22 Mode S TransponderTrig TT22 Mode S Transponder1300.00 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
King KT 76A Transponder PN 066-1062-00 - w/ New FAA 8130-3 FormKing KT 76A Transponder PN 066-1062-00 - w/ New FAA 8130-3 Form450.00 USD
KT 76a TransponderKT 76a Transponder145.00 USD
PARTS! Bendix/King KT-76 TSO Transponder (UNTESTED)PARTS! Bendix/King KT-76 TSO Transponder (UNTESTED)100.00 USD