Autoround 4WD Locking Hub Actuator for Ford F-150/Expedition/Navigator — Set of 2, Pre-Lubed OEM Fit

Autoround's 4WD auto-locking hub actuator is a direct-fit front axle replacement (sold as a pair) designed to restore vacuum-operated four-wheel-drive engagement on compatible Ford and Lincoln trucks and SUVs.

If your vehicle's front hubs fail to engage or you notice a loss of vacuum operation in the 4x4 system, the Autoround 4WD locking hub actuator offers a factory-style replacement built to OEM dimensions and mounting points. This set includes two pre-lubed actuators suitable for either left or right installation and replaces part numbers 7L1Z-3C247-A / 7L1Z3C247A. It's made to fit specific Ford F-150, Expedition, Lincoln Navigator, and Mark LT model years that use vacuum-actuated front hub systems.

How will this actuator affect 4x4 engagement on my truck?

Replacing a worn actuator restores the vacuum-actuated link between the axle and hub so the front wheels can receive power when you shift into 4WD. Autoround units are factory-tested for leak-free operation and arrive pre-lubed to ease installation and minimize initial wear.

• Direct replacement for OEM part numbers 7L1Z-3C247-A and 7L1Z3C247A
• Pre-lubed and bench-tested to help prevent leaks
• Fits left or right front hubs — sold as a matching pair
• Restores vacuum actuation to connect axle to hub assembly

Which vehicles and years are compatible with this actuator?

This actuator set is matched to vacuum-style front hub systems used on several Ford and Lincoln models. Check your vehicle's hub design and part number to confirm compatibility before purchase.

• Ford F-150: 2004–2015 model years
• Ford Expedition: 2003–2015 model years
• Lincoln Navigator: 2003–2015 model years
• Lincoln Mark LT: 2006–2008 model years

What should I expect during installation and maintenance?

Installation is straightforward for technicians familiar with front axle and hub disassembly. Each actuator mounts at the wheel hub and connects to the vacuum line; because they're pre-lubed and factory-tested, they typically slide into place without extra preparation.

• Mounts to the front hub assembly; uses existing vacuum line and hardware
• Sold as two actuators so you can replace both sides at once
• No additional sealing or pre-treatment required out of the box
• Inspect vacuum lines and connectors for leaks during installation

How does Autoround ensure quality and fitment?

Autoround focuses on engineering parts that match OEM fit and function while keeping costs lower than some dealer options. Each actuator is tested for leaks and functionality, and the units are designed to match original mounting points and vacuum interfaces for direct replacement.

• Factory-tested for leak-free operation prior to shipping
• Manufactured to OEM-style dimensions and mounting locations
• Pre-lubed to reduce first-use resistance and wear
• Backed by Autoround’s product development and quality checks

Who is this for: This actuator pair is aimed at owners and mechanics working on Ford F-150, Expedition, Lincoln Navigator, or Mark LT vehicles from the model years listed who need to restore reliable vacuum-actuated 4x4 engagement. It's a practical choice for DIYers with basic hub experience and professional shops replacing worn or leaking front hub actuators seeking direct-fit, pre-tested components at a competitive price.