Description
The S2554-6 is a genuine Textron Aviation hose of a type generally used to route fluid, air, or wiring through the airframe. It is fitted to the Citation CJ4, CJ4 Gen 2, CJ4 Gen 3, Skyhawk, and Skylane. It carries an export classification of ECCN EAR99.
As an original-equipment (OEM) part supplied directly by Textron Aviation, the S2554-6 is built to the aircraft maker's specification and cross-references the type design as documented in the maintenance data. Choosing the genuine part over an unapproved substitute preserves configuration control and simplifies inspection sign-offs.
Because the Cessna Citation, Skyhawk, and Skylane aircraft share extensive structure and hardware, a single part like this is often common across several variants.
Because it handles pressurized fluid or air, a component like this is specified precisely for its service — the right part keeps the system sound. On a certificated airframe, part provenance matters as much as the part itself; genuine factory sourcing settles that question up front.
Sourcing the OEM part protects the airframe's configuration and keeps its service history consistent, which matters for both airworthiness and resale value.
The Cessna name is among the most recognized in aviation — founded in Wichita, Kansas in 1927 and part of Textron since 1992, today a cornerstone of Textron Aviation. The Citation family is the best-selling line of business jets ever built, and more than 7,500 have been delivered worldwide.
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