Part number 70-2420-2
3 listings of this part number from 3 US eBay sellers, compared side by side (avionics & radios).
Listings
3
Sellers
3
Lowest asking
$1,450
Median asking
$1,700
Compare listings

Ryan TCAD (Avidyne) 9900BX Processor Removed Working PN: 70-2420-2, No Tray
$1,450Used
suttonaircraft-us · 100% positive

Ryan TCAD 9900B Processor with Tray P/N 70-2400
$1,700Used
aerialavionicsinc · 100% positive

Ryan Tcad 9900BX TCAD Processor P/N: 70-2420-2 & Display P/N: 70-2520
$4,000Used
10bohm · 100% positive
Buying aircraft parts by part number
The manufacturer part number (MPN) is the only reliable way to match a used aviation part to your aircraft — titles and photos vary between sellers, part numbers don't. Before buying, confirm the number against your aircraft's illustrated parts catalog, check whether the part ships with airworthiness paperwork (an FAA 8130-3 form or a maintenance-release tag), and note the difference between OEM parts and FAA-PMA approved replacements. Prices shown are asking prices from US eBay sellers; checkout happens on eBay.