Honeywell GTCP85-129H APU for Boeing 737 Classic
Sale, exchange and lease sourcing for the GTCP85-129H on 737-300, -400 and -500 aircraft, including freighter conversions.
GTCP85-129H APU at a glance
| Manufacturer | Honeywell (originally AiResearch / Garrett) |
| Model | GTCP85-129H |
| Commonly listed part number | 380428-10-1 (confirm dash number with your IPC) |
| Typical application | Boeing 737 Classic: 737-300, -400, -500 |
| Typical ATA chapter | 49 (Airborne auxiliary power) |
| Conditions we source | OH, SV, AR |
| Release certificates | FAA 8130-3, EASA Form 1 or dual release |
Part numbers and effectivity are for identification only. Confirm against your aircraft's IPC and effectivity; we confirm the exact P/N, dash number and mod status in every written quote.
About the GTCP85-129H
The GTCP85 family is one of the longest-serving APU lines in commercial aviation, and the -129H is the variant used on the Boeing 737 Classic. Many remaining Classic airframes now fly as freighters, which keeps demand for serviceable units and exchange cores steady. Tell us your operator type and required release certificate and we'll source to it.
Ways to buy a GTCP85-129H APU
Exchange
Serviceable unit now, your removed core returned on agreed terms. The usual route for AOG and unscheduled removals.Outright
OH, SV or AR units with release certificate and trace, for spares or a beyond-economical-repair core.Lease
Cover while your own unit is in the shop. Compare options →Sell yours
Have a surplus or as-removed GTCP85-129H APU? Send us the details →Documentation we require
FAA 8130-3 and/or EASA Form 1 from the certified repair station for OH/SV units, trace to last operator or back-to-birth where available, non-incident statement, and shop/removal records. Our documentation standards →
GTCP85-129H APU FAQ
What aircraft use the GTCP85-129H?
The GTCP85-129H is the APU for the Boeing 737 Classic series (737-300, -400 and -500), including freighter conversions.
What part number is the GTCP85-129H?
It is commonly listed as P/N 380428-10-1. Dash numbers vary, so we confirm the exact P/N against your IPC in the quote.
Is a GTCP85-129H exchange available?
Exchange, outright and lease are all possible depending on market availability. We confirm terms and core requirements in writing.
Do you have a GTCP85-129H in stock?
We don't claim stock. We source through our network and confirm availability, condition, documents and price by written quote.
Request a GTCP85-129H APU quote AOG 24/7: 1-855-505-5743
Other models we source: Honeywell 131-9B · Honeywell 131-9A · APS2000 (Hamilton Sundstrand / P&WC)