FAN, BLOWER ASSY (P/N 11439) - Serviceable

Part 11439 is an electric motor-driven blower assembly for aircraft environmental control systems. The unit moves ventilation air through avionics bays and cabin spaces, providing cooling airflow to protect electronics from heat-related failures. Mounted per ATA 21 standards, the blower draws low-pressure air via an impeller and distributes it through ducting to maintain thermal control.

Installation follows the aircraft maintenance manual and wiring diagrams. Verify compatibility against the Illustrated Parts Catalog before installation.

What is the FAN, BLOWER ASSY (P/N 11439)?

Part 11439 is an electric motor-driven blower assembly for aircraft environmental control systems. The unit moves ventilation air through avionics bays and cabin spaces, providing cooling airflow to protect electronics from heat-related failures.

Is the 11439 a PMA or OEM part?

The FAN, BLOWER ASSY 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: Serviceable. Contact us for sourcing details.

Does the 11439 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 FAN, BLOWER ASSY. We stock related hardware and can help identify companion parts.

Can the 11439 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 11439.