PRECOOLER DE-ICING SYSTEM (P/N 83900-1) - As Removed

The 83900-1 is a precooler de-icing system that prevents ice accumulation on engine bleed-air heat exchangers and inlet passages. Using controlled heating, it maintains clear airflow paths through pneumatic and environmental control system (ECS) plumbing upstream of the air cycle machine. Ice formation in these passages restricts flow and degrades system performance; this system mitigates that risk.

Installation and testing must follow aircraft maintenance manual procedures and verify compatibility with the aircraft's illustrated parts catalog (IPC) specifications.

What is the PRECOOLER DE-ICING SYSTEM (P/N 83900-1)?

The 83900-1 is a precooler de-icing system that prevents ice accumulation on engine bleed-air heat exchangers and inlet passages. Using controlled heating, it maintains clear airflow paths through pneumatic and environmental control system (ECS) plumbing upstream of the air cycle machine.

Is the 83900-1 a PMA or OEM part?

The PRECOOLER DE-ICING SYSTEM 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: As Removed. Contact us for sourcing details.

Does the 83900-1 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 PRECOOLER DE-ICING SYSTEM. We stock related hardware and can help identify companion parts.

Can the 83900-1 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 83900-1.