Back to Aerospace Aerospace sourcing

Auxiliary power unit (APU) parts

APU starters, generators, accessories and complete APUs for commercial aircraft.

Passenger jet connected to a jet bridge on an airport apron
01What we source

Range and scope

APU accessories and complete units vary widely in cost and lead time. A.I.G.S. sources APU components and, against a confirmed requirement, complete APUs, with documentation and condition confirmed per quotation.

APU starters

Starter motors for common narrow-body APUs.

APU generators

AC generators driven by the APU.

APU accessories

Fuel control units, inlet and exhaust components, sensors, oil components.

Complete APUs

Complete or core APUs, sourced against a confirmed requirement.

  • Boeing 737NG
  • Airbus A320ceo
  • Boeing 737 MAX
  • Airbus A320neo
02Reference part numbers

Part numbers we are asked to source

Examples of manufacturer-published part numbers in this family. Send us yours — or an equivalent — for a quotation.

Part numberDescriptionApplies toManufacturer
131-9BAuxiliary power unit with starter-generatorBoeing 737NG (-600/-700/-800/-900)Honeywell
131-9AAuxiliary power unitAirbus A318 / A319 / A320 / A321Honeywell

Part numbers are listed for identification only and belong to their respective manufacturers. Their appearance here is not an offer of stock and does not imply an affiliation with, or authorisation by, any manufacturer. Availability, condition (new, overhauled, serviceable, as-removed), documentation and lead time are confirmed in each quotation.

03How it works

From request to delivery

Send the part number, quantity, condition and destination — mark it AOG if the aircraft is on the ground.

Send your RFQ

Part number, quantity, required condition (new, overhauled, serviceable, as-removed), aircraft type and delivery location.

We source & quote

We check availability with qualified suppliers and confirm price, condition, documentation and a firm lead time before you commit.

Delivery worldwide

We coordinate packaging, shipping documents and delivery to your station, with dangerous-goods handling where required.

Documentation — such as a certificate of conformity, traceability to source, or 8130-3 / EASA Form 1 where applicable — is confirmed per line item at quotation stage.

04Common questions

Auxiliary power unit (APU) parts — FAQ

Do you supply complete APUs?+

Yes, on RFQ. We confirm condition, shop-visit records and exchange or outright options before you commit.

Can you source APU components by part number?+

Yes. Send the part number and APU model and we confirm availability and documentation.

Do you handle AOG APU requests?+

Mark the RFQ as AOG and we prioritise it.

Source, procure or expand worldwide.

Tell us what you need — our team replies within one business day.

Contact us