The engine types may include 10.4L 636Cu. V8 DIESEL,10.8L 10834CC 661Cu. 6 CNG,5.9L 359Cu. 6 CNG,7.0L 427Cu. V8 GAS Naturally Aspirated,7.2L 441Cu. l6 DIESEL Turboc harged,8.1L 496Cu. This part fits vehicles made in the following years 1989,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004.