DUCT ASSEMBLY - LOWER, DORSAL, RAM (P/N 390-554930-0002) - As Removed
P/N: 390-554930-0002
Category: Ducts & Environmental Control
This product requires a custom quote. Please contact our sales team for pricing information or submit an RFQ (Request for Quote).
Available Inventory
| Condition | Stock |
|---|---|
| As Removed | 1 Available |
Product Description
The 390-554930-0002 is a lower dorsal ram air duct assembly that routes pressurized air from the fuselage intake to environmental control system components. This aluminum duct directs ram air flow through the dorsal section of the airframe to support ECS ventilation and cabin pressurization functions. Installed within the fuselage airflow path using existing mounting provisions, it connects intake sources to downstream ECS distribution lines.
Verify compatibility with your aircraft's Illustrated Parts Catalog before installation to ensure proper fit and airflow routing.
Please note: Product descriptions are provided for informational purposes. Always refer to your aircraft's Illustrated Parts Catalog (IPC) to verify part compatibility and specifications.
Frequently Asked Questions
What is the DUCT ASSEMBLY - LOWER, DORSAL, RAM (P/N 390-554930-0002)?
The 390-554930-0002 is a lower dorsal ram air duct assembly that routes pressurized air from the fuselage intake to environmental control system components. This aluminum duct directs ram air flow through the dorsal section of the airframe to support ECS ventilation and cabin pressurization functions.
Is the 390-554930-0002 a PMA or OEM part?
The DUCT ASSEMBLY - LOWER, DORSAL, RAM may be available as an OEM (Original Equipment Manufacturer) or PMA (Parts Manufacturer Approval) part depending on condition and source. Both carry FAA certification for airworthiness. Currently available in: As Removed. Contact us for sourcing details.
Does the 390-554930-0002 include installation hardware?
Installation hardware requirements vary by application. Check your aircraft's Structural Repair Manual (SRM) or Illustrated Parts Catalog (IPC) for the complete installation kit requirements for the DUCT ASSEMBLY - LOWER, DORSAL, RAM. We stock related hardware and can help identify companion parts.
Can the 390-554930-0002 be shipped internationally?
Yes, we ship airframe components worldwide. International orders typically arrive within 3-14 business days depending on destination. Export documentation and customs forms are included. Contact us for international shipping quotes on the 390-554930-0002.
Related Ducts & Environmental Control
- SPLICE, CONDUCTOR – P/N d144-01
- DUCT – P/N 102-910018-225
- AIR COND DUCT ASSY REAR FUS – P/N 500-17391-001
- BLOWER – P/N c414007-0102rx
- OIL COOLER – P/N 40-7520-h003601
- BLOWER – P/N 19a827
- VENTILATING BLOWER ASSEMBLY – P/N 101-384176-1
- EVAPORATOR MODULE – P/N 36-380088-1
- FUEL HEATER – P/N 3120075-02
- DUCT: – P/N 76494-002
- HEATER – P/N fr07e94-2el
- INDUCTOR – P/N 668-0260-020