Fits both front left or front right wheel hubs on Ford Expedition 2003-2015; Ford F150 2004-2015; Lincoln Navigator 2003-2015 and 2006-2008 Mark LT Pickup;
(4WD) 4x4 Hub Lock Actuator Vacuum Line Solenoid Fitting Tee On Firewall Check Valve;
Package List: 2 x Front Hub Lock Actuator, 6 x Screws, 1 x Vacuum Solenoid, 1 x Vacuum Solenoid Line Fitting Tube;
4X4 4WD AUTO LOCKING HUB AXLE ACTUATOR - Located on the front wheel hubs the 4WD actuators control power transferred from the axle assembly to the front wheels.