This 4WD hub locking actuator vacuum hose is designed to match the fit and function of an original hose on specified vehicles to help ensure proper engagement and disengagement of a front wheel hub on a 4WD system. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford F-150: 2004, 2005, 2006, 2007, 2008] - [Lincoln Mark LT: 2006, 2007, 2008]