What Piper PA-34 Seneca parts are for sale on PartsAndPlanes?

No listing is tagged to the Piper PA-34 Seneca 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-34 Seneca?

6 FAA airworthiness directives on our record name the Piper PA-34 Seneca, 3 of them final; each links to the AD page with the part numbers it names.

What parts fail most often on the Piper PA-34 Seneca?

Operators filed 7 service difficulty reports on the Piper PA-34 Seneca in five years; the parts reported most were Bolt (400274), Fork (25026), Actuator (SFA2325), Magneto (6324). Counts are the FAA's; they describe reporting, not reliability.

How many Piper PA-34 Seneca aircraft are registered in the U.S.?

974 aircraft across 5 model variants, held by 871 registrants; the largest fleets are in FL, TX, DE.

Home · Aircraft · Piper PA-34 Seneca

Piper PA-34 Seneca parts: what is for sale, what fails, which ADs apply

974 Piper PA-34 Seneca aircraft are on the U.S. registry across 5 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.

parts listed here

sellers

airworthiness directives

service reports, 5 yr

974

U.S. aircraft

871

registrants

For sale here, tagged to the Piper PA-34 Seneca

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-34 Seneca

From 7 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.

Part	Most-reported part number	Reports
Bolt	400274	3
Fork	25026	1
Actuator	SFA2325	1
Magneto	6324	1
Tachometer	D11125023	1

Airworthiness directives naming the Piper PA-34 Seneca

3 final, 3 proposed. Each AD page lists the part numbers it names and who sells them.

2024-10-04 · Piper Aircraft, Inc. Airplanes · May 22, 2024
2022-09-13 · Piper Aircraft, Inc. Airplanes · Apr 26, 2022
2022-03213 proposed · Piper Aircraft, Inc. Airplanes · Feb 16, 2022
2022-02072 proposed · Piper Aircraft, Inc., Airplanes · Feb 3, 2022
2020-24-09 · Piper Aircraft, Inc. Airplanes · Dec 1, 2020
2020-16207 proposed · Piper Aircraft, Inc. Airplanes · Jul 28, 2020

The fleet

974 aircraft, 871 registrants.

PA-34-200T Piper · 552
PA-34-220T Piper · 235
PA-34-200 Piper · 169
PA-34-220T Piper Aircraft Inc · 13
PA-34 Piper · 5

Largest fleets: FL 167, TX 99, DE 66, CA 58, AZ 42, GA 28.

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-34 Seneca parts are for sale on PartsAndPlanes?: No listing is tagged to the Piper PA-34 Seneca 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-34 Seneca?: 6 FAA airworthiness directives on our record name the Piper PA-34 Seneca, 3 of them final; each links to the AD page with the part numbers it names.
What parts fail most often on the Piper PA-34 Seneca?: Operators filed 7 service difficulty reports on the Piper PA-34 Seneca in five years; the parts reported most were Bolt (400274), Fork (25026), Actuator (SFA2325), Magneto (6324). Counts are the FAA's; they describe reporting, not reliability.
How many Piper PA-34 Seneca aircraft are registered in the U.S.?: 974 aircraft across 5 model variants, held by 871 registrants; the largest fleets are in FL, TX, DE.

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