The internal diaphragm on certain Ford and Lincoln vacuum-activated hub actuators is highly failure-prone. This patented Dorman OE FIX replacement restores 4WD while eliminating the problematic original functions for greater reliability.

Independent Wheel End Coupler (Vacuum Delete Kit) 600-405 Features:

• Fits 2003-2015 Ford Expedition; 2004-2015 Ford F-150; 2006-2008 Lincoln Mark LT; 2003-2015 Lincoln Navigator
• Dependable solution — this unique hub locking actuator delete enables 4WD operation while disabling the failure-prone original vacuum function
• Patented design — exclusively engineered in the United States by highly trained automotive experts
• Fully reversible — actuator includes vacuum caps for holding remnant lines and allow for restoring original function in future