ARC RT-459A TSO'ED XPONDER 28V • $195 • AVAILABLE FOR SALE • RT-459A TSO'ed Transponder, 28V, P/N 42290-0028, S/N 32569, black, Light Use, Shelf Spare for C310. • Contact Gary Schulz , Owner - located Merrill, WI 54452-1660 United States • Telephone: ---------- • Posted May 3, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

BRAND NEW STRATUS ESG ADSB OUT • $2,995 • FREE DELIVERY • New Appareo ESG ads-b TSO transponder w/ full install kit. Standalone solution. Msg for pics & wrnty • Contact Kevin Andrews , Owner - located Hermitage, TN 37076 United States • Telephone: 317-519-3596 • Posted May 2, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX 320A XPNDER • $300 • FOR SALE • Garmin GTX 320a bench checked as removed Works great. Can send pics via txt Buyer pays shipping • Contact Nick Takacs , Owner - located Louisburg, NC 27549 United States • Telephone: ---------- • Posted May 2, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX320A TSO TRANSPONDER • $395 • FREE DELIVERY • GTX-320a mode C w/ tray, backplate & connector same as GTX327. Removed working. Msg for pics & wrnty • Contact Kevin Andrews , Owner - located Hermitage, TN 37076 United States • Telephone: 317-519-3596 • Posted May 1, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

KING KFS-576A XPDR CONTROL • $595 • FOR SALE • PN: 071-1276-26 SN: 1898 Mod: 1 Gray bezel, diffused lens, 5 volt lighting, dual transponder selection, no on/off. Removed for upgrade with 30 Day Guarantee! • VISIT MY WEBSITE • Contact Marlene Smith - PARTS FOR PLANES , Owner - located Davis, CA 95616 United States • Telephone: ---------- • Posted May 1, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images

GTX 330ES • $2,200 • AVAILABLE FOR SALE OR EXCHANGE • GTX 330ES p/n 011-00455-60 w/Garmin 8130 & factory warranty. • Contact Trevor Smith - TECH AERO AVIONICS , Owner - located Denton, TX 76207 United States • Telephone: ---------- • Fax: ---------- • Posted May 1, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX335 TRANSPONDER • $2,000 • FOR SALE • Serviceable ADS-B out compliant transponder with rack, connector, CM, and backplate. 8130 tag. • Contact Shawn Falkner - MAINE AVIATION AIRCRAFT MAINTENANCE , - located Portland, ME 04102 United States • Telephone: ---------- • Posted May 1, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GTX330ES ADS-B TRANSPONDER • $1,700 • FOR SALE • Serviceable GTX330ES with rack, connector, backplate. 8130 tag. • Contact Shawn Falkner - MAINE AVIATION AIRCRAFT MAINTENANCE , - located Portland, ME 04102 United States • Telephone: ---------- • Posted May 1, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX345R REMOTE XPDR • $5,295 • FOR SALE • We have a few GTX345R that were removed for upgrade. Units come with install kit and tray. $5295usd • Contact Cody King - KING AIR SALVAGE , Owner - located Ennismore, ON K0l1t0 Canada • Telephone: ---------- • Posted April 30, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

BENDIX/KING KT-76A • $300 • PRICED TO SELL • King KT-76A Transponder pulled from a 1994 Commander. Working when removed. Includes Tray/Backplate • Contact Jeff Anderson , - located Bardstown, KY 40004 United States • Telephone: ---------- • Posted April 30, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

AVIDYNE AXP-340 ADS-B OUT • $1,595 • SOLD !! THANKS TO BARNSTORMERS • AXP340 transponder. Replaces King KT-76a like a Trig TT31. Needs waas source. Msg for pics & wrnty. • Contact Kevin Andrews , Owner - located Hermitage, TN 37076 United States • Telephone: 317-519-3596 • Posted April 29, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX320 TSO TRANSPONDER • $325 • SOLD !! THANKS TO BARNSTORMERS • Garmin GTX-320 mode C transponder removed working. Tray & backplate included. Msg for pics & wrnty • Contact Kevin Andrews , Owner - located Hermitage, TN 37076 United States • Telephone: 317-519-3596 • Posted April 29, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX-320A TRANSPONDER • $450 • FOR SALE • Solid state transponder with tray and connector. 60 day warranty. • Contact Victor Bee , Owner - located Los Angeles, CA 90024 United States • Telephone: ---------- • Posted April 29, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

MST67A MODE S TRANSPONDER • $600 • FOR SALE • Bendix King Remote Mode S transponder with SI codes, change 7 diversity and enhanced surveillance, Only compatible with PS-550 and PS-578 controls. PN: 066-01143-2101 SN: 271916 Removed working for avionics upgrade with EASA Form 1 and Trace. • BUY IT HERE • Contact Marlene Smith - PARTS FOR PLANES , Owner - located Davis, CA 95616 United States • Telephone: ---------- • Posted April 29, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

KING TRANSPONDER • $300 • FOR SALE • king transponder. KT76A. # 25374. 13.75V. $300 plus ship. pics. available. • Contact Jane Sherwood , Owner - located Beverly, MA 01915 United States • Telephone: ---------- • ---------- • Posted April 29, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

ASPEN EDF1000 PRO MAX PFD • $3,645 • FOR SALE • Aspen MAX PFD System w/ACU & Top RSM w/GPS. FAA 8130 Form. RSM Cable not included. • Contact Todd Adams - LANCASTER AVIONICS INC. , Broker - located Lititz, PA 17543 United States • Telephone: ---------- • Fax: ---------- • BUSINESS CARD •  Posted April 28, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

NARCO AT-150 • $200 • AVAILABLE FOR SALE • NARCO AT-150 TRANSPONDER REMOVED FOR UPGRADE • Contact Edward Bernardo , Owner - located Point Roberts, WA 98281 United States • Telephone: ---------- • Posted April 27, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX-328 VFR MODE S XPND • $795 • FOR SALE • PN: 011-01684-00 SN: 12K012469 VFR MODE S Transponder with Tray and Backplate. Removed in good working condition. 30 days Guarantee! • BUY IT HERE • Contact Marlene Smith - PARTS FOR PLANES , Owner - located Davis, CA 95616 United States • Telephone: ---------- • Posted April 25, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images

BENDIX/KING KT-76A TRANSPONDER • $250 • FOR SALE • PN: 066-1062-00 SN: 73098 This transponder was removed in good working condition for avionics upgrade. It comes with a 30 day guarantee that it is in good working condition and will pass inspection. • VISIT MY WEBSITE • Contact Marlene Smith - PARTS FOR PLANES , Owner - located Davis, CA 95616 United States • Telephone: ---------- • Posted April 25, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images

GARMIN GTX 335R REMOTE XPDR • $4,275 • ACCEPTING OFFERS • GTX 335R 011-03301-00 GMN-01216 14/28VDC With tray mount connector guaranteed with 30 day warranty • Contact Randy Jarman - ARIZONA AIR SALVAGE , Owner - located Phoenix, AZ 85009 United States • Telephone: 602-354-7405 • BUSINESS CARD •  Posted April 24, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

GARMIN GTX-320 TRANSPONDER • $395 • FOR SALE • PN: 011-00259-10 SN: 83502727 This transponder was removed in good working condition for avionics upgrade with the tray and connectors. The transponder comes with a 30 day guarantee it is in good working condition. The connectors and wiring are as-removed and do not come with any guarantee. These should be checked by an avionics tech prior to install. • BUY IT HERE! • Contact Marlene Smith - PARTS FOR PLANES , Owner - located Davis, CA 95616 United States • Telephone: ---------- • Posted April 24, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad • View Larger Images

ATC TRANSPONDER • ACCEPTING OFFERS • PN: 622-1270-001 | ATC Transponder | CC: NS | QTY: 1 | Collins Aerospace • Contact Courtney Sinnott - AIRSIDE AVIATION , Broker - located Calgary, AB T3Z 3S8 Canada • Telephone: ---------- • ---------- • BUSINESS CARD •  Posted April 23, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad

BENDIX KING KT-76C TRANSPONDER • $700 • FOR SALE • Bendix King KT-76C Transponder in good working condition with bracket. Pictures available. • Contact Marcus Perkins , Owner - located Ridgeville, SC 29472 United States • Telephone: ---------- • Posted April 23, 2025 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad