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Engine and powerplant

STC SE4725NM

FAA DRS lists SE4725NM as Current · Reissued, held by General Aviation Concepts, for Continental Motors O-300-D. Recorded change: Installation of an O-3000-A crankshaft, P/N 530860, equipped with an O-3000-D cluster fear, P/N 627846, in an O-3000-D engine. Snapshot dated June 30, 2026.

FAA-listed holder
General Aviation Concepts
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of an O-3000-A crankshaft, P/N 530860, equipped with an O-3000-D cluster fear, P/N 627846, in an O-3000-D engine.

SE4725NM identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Continental Motors O-300-D. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Continental Motors O-300-DE-253

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Continental Motors O-300-D model, serial range, and configuration?
  2. 02Which powerplant configuration, limits, instruments, and maintenance data apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

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