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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345 BASE PACK,
345 BASE PACK,
ACR Artex
Boeing Distribution (formerly Aviall)
Damaged Tube - Puncture 737 APU Fuel Shroud
Damaged Tube - Puncture 737 APU Fuel Shroud
The Boeing Company

Mfr Part#
340X5404-1

Panel Assembly - P40 Panel, Service and Auxiliary Power Unit
Panel Assembly - P40 Panel, Service and Auxiliary Power Unit
The Boeing Company

Mfr Part#
284W8041-710

Panel Assembly - P40 Panel, Service and Auxiliary Power Unit
Panel Assembly - P40 Panel, Service and Auxiliary Power Unit
The Boeing Company

Mfr Part#
284W8041-709

Test Assembly Gouge 737 APU Fuel Shroud
Test Assembly Gouge 737 APU Fuel Shroud
The Boeing Company

Mfr Part#
340X5402-2

Installing Site Furnished Parts - APS
Installing Site Furnished Parts - APS
The Boeing Company

Mfr Part#
827J0072-14

Top Kit - APU Intake Assembly Redesign
Top Kit - APU Intake Assembly Redesign
The Boeing Company

Mfr Part#
005W0192-1

Adapter Installation Air Inlet - Auxiliary Power Unit, 737
Adapter Installation Air Inlet - Auxiliary Power Unit, 737

Mfr Part#
353A1000-4#A

Adapter Installation Air Inlet - Auxiliary Power Unit, 737
Adapter Installation Air Inlet - Auxiliary Power Unit, 737

Mfr Part#
353A1000-5#A

AE0276 To AP0938 Power Auxiliary Power Unit
AE0276 To AP0938 Power Auxiliary Power Unit
The Boeing Company

Mfr Part#
286W61F2-8AA

AC1427 To AC2051 - Fire Detection Auxiliary Power Unit
AC1427 To AC2051 - Fire Detection Auxiliary Power Unit
The Boeing Company

Mfr Part#
286W57F9-8AA

AP0938 To AP1522 Power APU
AP0938 To AP1522 Power APU
The Boeing Company

Mfr Part#
286W62F2-8AA

Intake Assembly - Auxiliary Power System
Intake Assembly - Auxiliary Power System
The Boeing Company

Mfr Part#
353W2100-37

Top Kit - APU Intake Assembly Redesign
Top Kit - APU Intake Assembly Redesign
The Boeing Company

Mfr Part#
005W0186-1

E7 Auxiliary Power Unit Controller Installation (M49002) - Freighter -8F
E7 Auxiliary Power Unit Controller Installation (M49002) - Freighter -8F

Mfr Part#
284W1507-101#A

KIT: VPU
KIT: VPU
Forecastable
Forecastable
General Electric Aircraft Engines
Boeing Distribution (formerly Aviall)
Gusset Assembly, APU Inlet
Gusset Assembly, APU Inlet
The Boeing Company

Mfr Part#
353W4114-38M-N1790068989

POWER UNIT: AUXILIARY,
POWER UNIT: AUXILIARY,
USM Airframe New Surplus
Boeing Distribution (formerly Aviall)
Power Pack Installation - Alternate Extension
Power Pack Installation - Alternate Extension

Mfr Part#
293W5201-3#C

Intake System Installation - Auxiliary Power Supply
Intake System Installation - Auxiliary Power Supply

Mfr Part#
353W0000-701#F

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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