03-02-02 DOOR ALTERNATE AIR (P/N 53479-302) - New Surplus

The 53479-302 is an alternate air door for aircraft engine induction systems. This component provides bypass airflow to the engine when the primary air inlet or filter becomes obstructed due to icing or contamination. Mounted on the airbox, the door automatically or manually diverts air around blockages to maintain engine operation during critical flight phases.

Installation requires rigging per the aircraft maintenance manual with proper adjustment of linkages and seals. Verify compatibility with your aircraft's Illustrated Parts Catalog before installation to ensure correct mounting configuration and operational integration with your induction system.

What is the 03-02-02 DOOR ALTERNATE AIR (P/N 53479-302)?

The 53479-302 is an alternate air door for aircraft engine induction systems. This component provides bypass airflow to the engine when the primary air inlet or filter becomes obstructed due to icing or contamination.

Is the 53479-302 a PMA or OEM part?

The 03-02-02 DOOR ALTERNATE AIR 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 53479-302 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 03-02-02 DOOR ALTERNATE AIR. We stock related hardware and can help identify companion parts.

Can the 53479-302 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 53479-302.