SEAT, EXHAUST (P/N 71894p030-j) - New Surplus

The 71894p030-j is an exhaust seat for aircraft piston engines, forming the sealing interface between the exhaust valve and cylinder head. This precision component contains combustion gases and conducts heat away from the valve assembly during engine operation. Installed during cylinder overhaul or valve seat replacement procedures.

The seat requires installation per engine manufacturer specifications and FAA AC 43.13-1B guidance. Verify applicability through the engine or aircraft Illustrated Parts Catalog before ordering.

What is the SEAT, EXHAUST (P/N 71894p030-j)?

The 71894p030-j is an exhaust seat for aircraft piston engines, forming the sealing interface between the exhaust valve and cylinder head. This precision component contains combustion gases and conducts heat away from the valve assembly during engine operation.

Is the 71894p030-j a PMA or OEM part?

The SEAT, EXHAUST may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: New Surplus. Contact us for sourcing details.

Does the 71894p030-j include installation hardware?

Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the SEAT, EXHAUST. We stock related hardware and can help identify companion parts.

Can the 71894p030-j be shipped internationally?

Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 71894p030-j.