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.2,823 results | Page 8 of 142
Sort By: Popularity
Boeing 036Z0541-2 Service Bulletin Top Kit-Main & Auxiliary Power Unit BA
The Boeing Company
Mfr Part# 036Z0541-2
39-0099-1100 Auxiliary Power Unit Direct Current Pump-Motor/Impeller.
Eaton Aerospace Ltd
Mfr Part# 39-0099-1100
94830-09 Isolator Assembly - Auxiliary Power Unit, Forward
Hutchinson Aerospace Industry
Mfr Part# 94830-09
3888364-4 Harness, Auxiliary Power Unit Engine
Honeywell International Inc
Mfr Part# 3888364-4
94830-10 Isolator Assembly - Auxiliary Power Unit, Forward
Hutchinson Aerospace Industry
Mfr Part# 94830-10
16H40198-30 Insulation Assembly, Auxiliary Power Unit Door
Tighitco Inc
Mfr Part# 16H40198-30
Boeing 148A6350-76 Auxiliary Power Unit Door Assembly (-800)
The Boeing Company
Mfr Part# 148A6350-76
Boeing 148W5606-4 Auxiliary Power Unit Door Assembly
The Boeing Company
Mfr Part# 148W5606-4
Boeing 148W5605-5 Auxiliary Power Unit Door Assembly
The Boeing Company
Mfr Part# 148W5605-5
Boeing 152Z5113-502 Arm SPLR8 Outboard Auxiliary Hinge
The Boeing Company
Mfr Part# 152Z5113-502
3-2033244-7 Assembly, Track Cover, Power With Welds, AF
TE Connectivity
Mfr Part# 3-2033244-7
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.
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. See terms & conditions.