Pratt & Whitney Component Repair & Overhaul
FAA & EASA certified ECS component repair for the Pratt & Whitney.
QTC provides FAA & EASA Part 145 repair and overhaul of Pratt & Whitney aircraft environmental control system (ECS) and related components — 18 Pratt & Whitney part numbers across 1 component category, including differential pressure switches. Select a model below or submit a part number for a quote.
Pratt & Whitney Components We Repair
Pratt & Whitney Models We Support
All Pratt & Whitney Parts We Service
18 part numbers in our catalog. Click a part number for repair details and to request a quote.
| Part number | Nomenclature | Make | Model |
|---|---|---|---|
| 21SN04-275A | Low Pressure Oil Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-298A | Scavenge Filter Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-300B | Fuel Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-352 | Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-353 | Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-354 | Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-355 | Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-383A | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-391 | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-391A | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-404 | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-405 | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-416 | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 21SN04-417 | Oil Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 42D362 | Fuel Pump Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 42D394 | Fuel Pump Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 42D395 | Fuel Pump Filter Differential Pressure Switch | Pratt & Whitney | PW2000/4000 |
| 8D1496 | Gage Pressure Switch | Pratt & Whitney | PW2000/4000 |
Frequently Asked Questions
Does QTC repair Pratt & Whitney components?
Yes. QTC is an FAA & EASA Part 145 repair station and our catalog includes 18 Pratt & Whitney ECS and related part numbers. Request a quote with your part number to confirm capability.
What Pratt & Whitney components does QTC service?
We service Pratt & Whitney differential pressure switches and related ECS components. See the breakdown and parts list above.
Can QTC support AOG Pratt & Whitney removals?
Contact QTC with your Pratt & Whitney removal and we will advise on repair scope and turnaround to minimize downtime.
Request a Quote for Pratt & Whitney Components
Send us your part numbers and condition. Our engineers respond with repair scope, turnaround, and pricing.