A/C Selector Switch. The engine types may include 4.6L 281Cu. V8 CNG SOHC Naturally Aspirated,4.6L 281Cu. V8 FLEX SOHC Naturally Aspirated,4.6L 281Cu. V8 GAS SOHC Naturally Aspirated. This part fits vehicles made in the following years 1998,1999,2000,200 1,2002,2003,2004,2005,2006,2007,2008,2009,2010,2011.