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Piper PA-31 Navajo/Chieftain parts: what is for sale, what fails, which ADs apply

916 Piper PA-31 Navajo/Chieftain aircraft are on the U.S. registry across 10 variants. This page gathers what the record holds for the type: parts listed here with condition and trace, the airworthiness directives that name it, the parts operators report most in FAA service difficulty reports, and who can repair its components. Every part number links to its own page. Data, not advice.

0

parts listed here

0

sellers

0

airworthiness directives

24

service reports, 5 yr

916

U.S. aircraft

792

registrants

For sale here, tagged to the Piper PA-31 Navajo/Chieftain

No listing is tagged to this aircraft today. Search any part number for who has it, or send a request from the part page; sellers who carry the families are told within the hour.

Sellers: parts you list with an aircraft type appear here automatically. Listing is free, no commission.

Parts operators report most on the Piper PA-31 Navajo/Chieftain

From 24 FAA service difficulty reports filed in the last five years. A count is how often a part was reported, not a judgment of the part; high-count items are the ones a shop should have on the shelf.

PartMost-reported part numberReports
Hose39995022
Filter HousingAN623412
O-RingMS28778162
Turbocharger40917090012
Enginenot stated1
Fitting6788D1
Landing Gearnot stated1
Link46933001
Link Assy40336001
Seal727111
Sleevenot stated1
Strobenot stated1
Combustion Tube88D951IS1
Cable Assy55416021
Connecting RodAEL121861
Door44581061

The fleet

916 aircraft, 792 registrants.

Largest fleets: FL 145, AK 80, DE 68, TX 40, MS 33, PA 25.

Who operates it, by registrant →

Repair and requests

No repair station here names this type yet. Search repair capabilities by part number.

Need a part? Open its page and send a request; no account.

Questions

What Piper PA-31 Navajo/Chieftain parts are for sale on PartsAndPlanes?
No listing is tagged to the Piper PA-31 Navajo/Chieftain today; a request from this page reaches sellers who carry its families, and the part pages show who has each number.
Which airworthiness directives apply to the Piper PA-31 Navajo/Chieftain?
No airworthiness directive on our record names the Piper PA-31 Navajo/Chieftain.
What parts fail most often on the Piper PA-31 Navajo/Chieftain?
Operators filed 24 service difficulty reports on the Piper PA-31 Navajo/Chieftain in five years; the parts reported most were Hose (3999502), Filter Housing (AN62341), O-Ring (MS2877816), Turbocharger (4091709001). Counts are the FAA's; they describe reporting, not reliability.
How many Piper PA-31 Navajo/Chieftain aircraft are registered in the U.S.?
916 aircraft across 10 model variants, held by 792 registrants; the largest fleets are in FL, AK, DE.

Registry and reports as of 2026-09-28. See also condition codes and NSN lookup.