This 4WD actuator directly replaces the original equipment part on specific vehicle applications. It is reverse engineered to reliably restore proper functionality. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Expedition: 1997, 1998, 1999, 2000, 2001, 2002] - [Ford F-150 Heritage: 2004] - [Ford F-150: 1997, 1998, 1999, 2000, 2001, 2002, 2003] - [Ford F-250: 1997, 1998, 1999] - [Ford Lobo: 1998, 1999, 2000, 2001, 2002, 2003] - [Lincoln Navigator: 1998, 1999, 2000, 2001, 2002]