Description
The MS21438-104 is a genuine Textron Aviation bearing that supports rotational or pivoting motion within a mechanism. It fits the Citation Longitude and SkyCourier. It carries an export classification of ECCN EAR99.
Because the MS21438-104 is an original-equipment (OEM) part sourced directly from Textron Aviation, it matches the exact specification and placement called out in the aircraft's type design and maintenance data — assurance a generic substitute cannot offer.
Parts like this are shared across the Cessna Citation and SkyCourier aircraft, reflecting how much structure and hardware these models have in common.
A bearing or bushing sets how a shaft or pivot moves and wears; the right part keeps that motion as designed. For a regulated aircraft component, correct identification by factory part number is what guarantees the exact form, fit, and function the design calls for.
Using the factory part number preserves configuration control, so the airframe stays consistent with its approved type design and the work is straightforward to sign off at inspection. Because substitutions on type-certificated aircraft require approved data, the genuine part is the straightforward, compliant choice for this application.
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.
To check availability, request a quote for MS21438-104 or browse more Cessna Citation and SkyCourier parts on Flying411.
