Part number 8421-3

Bell 8421-3 is a serviceable aviation part. Item listing: ROLL ARTHUR VARIABLE BELL CRANK. Worldwide shipping with the documentation we have on file (tag, removed-from history, serial when known).

Fill the quote form on this page or email [email protected] with the part number 8421-3. We typically reply with availability and pricing within 12 to 24 hours — we cover all 5 continents on both the supply and customer side, so quotes are handled across time zones.

What we have on file for 8421-3 varies unit by unit — typically the part tag (when present), records of the aircraft it was removed from, and the serial number when known. We will share the exact documentation available for the specific unit we offer when we reply to your quote. If you need specific paperwork for your maintenance program, state it on the form and we will only source units that match.

The unit on file for 8421-3 is serviceable (inspected, tagged, ready to install). If you need a specific condition (NEW, OH, SV or AR) say so on the quote form and we will source it from our network or partner overhaul shops.

Once a quote is accepted, lead time for 8421-3 is typically 1–2 business days. International shipping depends on the destination region, with 5–10 business days as the standard transit time via FedEx, DHL or UPS. Express options and AOG (aircraft on ground) priority handling are available on request.