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.
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Isolator (Machinged Housing)
Isolator (Machinged Housing)
Hutchinson Aerospace Industry

Mfr Part#
96227-06

Isolator (Machined Housing), Auxiliary Power Unit, Forward, L
Isolator (Machined Housing), Auxiliary Power Unit, Forward, L
Hutchinson Aerospace Industry

Mfr Part#
96227-04

Isolator (Machined Housing), Auxiliary Power Unit, Forward, R
Isolator (Machined Housing), Auxiliary Power Unit, Forward, R
Hutchinson Aerospace Industry

Mfr Part#
96227-05

Isolator, Auxiliary Power Unit, Aft, 747
Isolator, Auxiliary Power Unit, Aft, 747
Hutchinson Aerospace Industry

Mfr Part#
96227-03

Bridge Assembly, Outboard Bin, P1 Or Protocol Used By UA Entities And MTA Entities, 48
Bridge Assembly, Outboard Bin, P1 Or Protocol Used By UA Entities And MTA Entities, 48

Mfr Part#
832Z2101-403

Auxiliary Power Unit Exhaust Liner Assembly
Auxiliary Power Unit Exhaust Liner Assembly
United Technologies Corporation

Mfr Part#
7000056H02

Auxiliary Power Unit Air Inlet Assembly
Auxiliary Power Unit Air Inlet Assembly

Mfr Part#
7000005H21

Auxiliary Power Unit Engine Assembly
Auxiliary Power Unit Engine Assembly

Mfr Part#
7000001H05

Auxiliary Power Unit Engine Assembly
Auxiliary Power Unit Engine Assembly

Mfr Part#
7000001H08

Auxiliary Power Unit Engine Assembly
Auxiliary Power Unit Engine Assembly

Mfr Part#
7000001H03

Auxiliary Power Unit Engine Assembly
Auxiliary Power Unit Engine Assembly

Mfr Part#
7000001H02

Auxiliary Power Unit Air Inlet Assembly
Auxiliary Power Unit Air Inlet Assembly

Mfr Part#
7000005H09

Auxiliary Power Unit Air Inlet Assembly
Auxiliary Power Unit Air Inlet Assembly

Mfr Part#
7000005H05

Auxiliary Power Unit Mount Upper Strut
Auxiliary Power Unit Mount Upper Strut

Mfr Part#
7000007-7

Auxiliary Power Unit Mount Lower Strut
Auxiliary Power Unit Mount Lower Strut

Mfr Part#
7000007-8

Auxiliary Power Unit Mount Assembly, Left
Auxiliary Power Unit Mount Assembly, Left

Mfr Part#
7000007H02

Auxiliary Power Unit Air Inlet Assembly
Auxiliary Power Unit Air Inlet Assembly
United Technologies Corporation

Mfr Part#
7000005H16

Auxiliary Power Unit Air Inlet Assembly
Auxiliary Power Unit Air Inlet Assembly
United Technologies Corporation

Mfr Part#
7000005H17

Auxiliary Power Unit Mount Assembly, Left
Auxiliary Power Unit Mount Assembly, Left

Mfr Part#
7000007H01

Auxiliary Power Unit Air Inlet Assembly
Auxiliary Power Unit Air Inlet Assembly

Mfr Part#
7000005H11

Frequently Asked Questions

What is an APU in an aircraft?

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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?

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An APU in aviation works by generating electrical power, providing air for starting engines, and powering other systems when the main engines are off.

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