SHAFT ASSY

The 4319133-81 is a genuine Textron Aviation shaft assembly supplied as a built-up assembly of several components in a single installable unit. It is fitted to the Citation Mustang. Supplied directly by Textron Aviation as an original-equipment (OEM) part, the 4319133-81 meets the manufacturer's specification and keeps the aircraft configuration-correct, with clean traceability in the maintenance records. Parts like this are shared across the Cessna Citation aircraft, reflecting how much structure and hardware these models have in common. This is a cataloged factory part whose form, fit, and function are established by the manufacturer's approved data. OEM parts arrive to the specification the type design was certified against, preserving both airworthiness and the airframe's documented configuration. Sourcing the OEM part protects the airframe's configuration and keeps its service history consistent, which matters for both airworthiness and resale value. An unapproved or surplus substitute can introduce fit, material, or paperwork problems that surface at the next inspection; the genuine part avoids that risk. Genuine sourcing means the part matches the drawing exactly, so fit and function are known quantities rather than a gamble at installation. 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. Cessna's Citation line, launched with the Model 500 in the early 1970s, grew into the best-selling business-jet family in the world, spanning today from the light M2 to the super-midsize Longitude. Request a quote for 4319133-81 or browse more Cessna Citation parts on Flying411.