Part catalog
21SN04-209A
FUEL FILTER DIFFERENTAL PRESSURE SWITCH
Catalog record
- Part number
- 21SN04-209A
- Application
- 737
- Platform
- 737
- Source observations
- 40
- Last observed
- 2026-03-30
Catalog data is source-backed reference information. It does not establish availability, repair capability, certification, traceability, ownership, or airworthiness.