SWITCH

The 309-4318 is a genuine Textron Aviation switch used to make or break an electrical circuit. It is applicable to the Citation CJ1 or CJ1+, Citation CJ2 or CJ2+, Citation CJ3, CJ3+, CJ3+ Gen 2, CJ3 Gen 3, Citation CJ4, CJ4 Gen 2, CJ4 Gen 3, Citation Excel, XLS, XLS+, XLS Gen 2, Citation III, VI or VII, Citation M2, M2 Gen 2, M2 Gen 3, Citation Mustang, Citation V, Ultra, Encore or Encore+, and Skyhawk, among other compatible variants. It carries an export classification of ECCN EAR99, weighs 0.04 pounds, and measures 1.5 (L) x 0.95 (W) x 1 (H) Inches. Because the 309-4318 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, Skyhawk, and Skylane aircraft, reflecting how much structure and hardware these models have in common. In an aircraft's electrical system, using the correct component preserves the circuit's designed behavior, reliability, and safety. 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 309-4318, or browse more Cessna Citation, Skyhawk, and Skylane parts on Flying411.