600-405 2PC 4WD Auto Locking Hub Axle Actuator for Ford Expedition F-150 Lincoln

4WD Auto Locking Hub Axle Actuator for Ford Expedition F-150 Lincoln

This 4WD auto locking hub axle actuator engages and disengages the front axle on four-wheel drive vehicles, cross-referencing 600-405, and is offered as a 2-piece set.

Overview

This 4WD auto locking hub axle actuator allows the front driveline to lock in automatically when four-wheel drive is selected, restoring dependable engagement on compatible trucks and SUVs. Sold as a 2-piece set with a 600-405 cross-reference, it replaces worn or failed actuators that leave the front axle stuck. It suits owners of compatible Ford and Lincoln 4WD vehicles handling their own repairs.

Built For Performance

• 2-piece set covers both sides of the front axle
• Auto locking design engages when 4WD is selected
• Cross-references part number 600-405
• Direct-fit replacement for the original actuator location
• Sealed construction resists water and road debris

Fits These Machines

• for Ford Expedition
• for Ford F-150
• for Lincoln Navigator

On-The-Job Use

• Restoring 4WD engagement on trucks and SUVs
• Replacing actuators that no longer lock the front axle
• Front differential service and driveline repairs
• Preventive maintenance on high-mileage 4WD systems

Specs At A Glance

Good To Know

Q: Do I need both actuators replaced at once? A: Replacing both sides together keeps engagement even and avoids a second teardown when the other side fails. This set includes two actuators for that reason.

Q: How do I know if my actuator has failed? A: Common signs include 4WD that will not engage, grinding noises, or a flashing dash indicator. Confirm the fault before ordering, since wiring and vacuum issues can mimic actuator failure.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.