Aircraft Transponders for sale on eBay
  Item Description Price  
Terra Transponder TRT 250 D Terra Transponder TRT 250 D 750.00 USD
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
S-TEC ABSOLUTE PRESSURE TRANSDUCER PN 0111 (Metal case) new styleS-TEC ABSOLUTE PRESSURE TRANSDUCER PN 0111 (Metal case) new style350.74 USD
Terra TRT 250 D Aircraft Transponder 1900-0365-00Terra TRT 250 D Aircraft Transponder 1900-0365-00425.00 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
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
ARC RT-859A Aircraft Transponder – REC-Transmitter – 24V – P/N 42260-1028ARC RT-859A Aircraft Transponder – REC-Transmitter – 24V – P/N 42260-1028129.00 USD
APPAREO STRATUS ES TRANSPONDER From Cirrus SR 22 Gen 1APPAREO STRATUS ES TRANSPONDER From Cirrus SR 22 Gen 11650.00 USD
TED TRANSPONDER ANTENNA -- 104-12TED TRANSPONDER ANTENNA -- 104-1232.50 USD
GARMIN GTX 335 TRANSPONDER P/N 011-03300-40 WITH 8130GARMIN GTX 335 TRANSPONDER P/N 011-03300-40 WITH 81302589.00 USD
NARCO AT165 ATC Transponder w/tray. Slide-In Replacement for King KT76A/KT78ANARCO AT165 ATC Transponder w/tray. Slide-In Replacement for King KT76A/KT78A750.00 USD
GARMIN GTX335 Transponder, yellow taggedGARMIN GTX335 Transponder, yellow tagged2485.00 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
BENDIX/KING KT-74 ADS-B TRANSPONDER PN 89000007-000001 W/Rack & Install Kit (AR)BENDIX/KING KT-74 ADS-B TRANSPONDER PN 89000007-000001 W/Rack & Install Kit (AR)1650.00 USD
Garmin GTX327 clean parts/repairGarmin GTX327 clean parts/repair250.00 USD
Apollo SL 30 SL30 SL-30 Transponder GRAY Insert Lens Free USPS Priority ShippingApollo SL 30 SL30 SL-30 Transponder GRAY Insert Lens Free USPS Priority Shipping58.00 USD
King KT 76C digital transponder. Very nice. Guaranteed 30 daysKing KT 76C digital transponder. Very nice. Guaranteed 30 days749.00 USD
Garmin GTX 320A Transponder With Tray For Parts (Used & Untested)Garmin GTX 320A Transponder With Tray For Parts (Used & Untested)129.00 USD
Narco AT 150 TSO TransponderNarco AT 150 TSO Transponder150.00 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
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
Garmin GTX-330ES transponderGarmin GTX-330ES transponder1799.00 USD
Sandia STX 165R Remote Mount Aircraft TransponderSandia STX 165R Remote Mount Aircraft Transponder871.00 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
Garmin GTX 335 - 011-03300-00 ADSB TransponderGarmin GTX 335 - 011-03300-00 ADSB Transponder2000.00 USD
Apollo SL70 Mode C Transponder - Parts OnlyApollo SL70 Mode C Transponder - Parts Only100.00 USD
Sandia Aerospace Altitude Encoder SAE 5-35Sandia Aerospace Altitude Encoder SAE 5-35125.00 USD
Collins TDR-950 Transponder 622-2092-001 (D2303)Collins TDR-950 Transponder 622-2092-001 (D2303)225.00 USD