Shop
Airframe APUs
Aircraft auxiliary power units (APUs) provide power to various systems when the main engines are not running. These units offer an efficient power supply for an aircraft, ensuring smooth operations and enhanced safety. Trusted manufacturers of APUs in aviation like Boeing, BAE Systems Controls Inc., and Honeywell guarantee quality and durable products meant to withstand the harsh conditions seen by aircraft. Browse our selection of aircraft APUs to find the perfect solution for your needs.2,944 results | Page 104 of 148
Sort By: Popularity
Fire Panel Assembly, Auxiliary Power Unit
BAE Systems Controls Inc
Mfr Part# 355A5340-10
Auxiliary Power Unit FIREX Bottle Support Assembly With Pilot
The Boeing Company
Mfr Part# 355A5120-906
Fire Panel Assembly-Auxiliary Power Unit
BAE Systems Controls Inc
, The Boeing Company
Mfr Part# 355A5340-4
Fire Panel Assembly-Auxiliary Power Unit
BAE Systems Controls Inc
, The Boeing Company
Mfr Part# 355A5340-2
Bonded Duct-Eductor, Auxiliary Power Unit-Composite
The Boeing Company
Mfr Part# 355A1011-1
Frequently Asked Questions
What is an APU in an aircraft?
An APU in an aircraft is a device that provides energy for functions other than propulsion, including powering hydraulic systems, air conditioning, and airframe electrical systems.
How does an aircraft APU work?
An APU in aviation works by generating electrical power, providing air for starting engines, and powering other systems when the main engines are off.
DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. See terms & conditions.