Help restore smooth power-window operation with the Dorman - OE Solutions Window Lift Motor 742-178, a front-left "smart motor" that drops in as a direct-fit replacement for the 2008-2017 Ford Expedition and 2007-2017 Lincoln Navigator. When an original power window regulator smart motor fails on these vehicles, it's often an electronic failure — this Dorman OE FIX unit is built to help address that at the source.
- Improved design: upgraded electronics and PCB protection deliver greater processing power, faster response times, and better protection against voltage spikes, heat-related failures, and motor stall conditions.
- Moisture protection: the printed circuit board (PCB) is coated with a special resin that resists moisture, dust, and other contaminants to help extend service life.
- Seamless installation: proprietary software helps ensure fast, simple calibration with no special tools or skills required.
- Tested to standard: engineered and tested to meet federal motor vehicle anti-pinch standards and designed to help restore original equipment functionality.
Backed by a team of product experts in the United States and more than a century of automotive experience.
Interchange: 383329 · 423081 · WLM3003 · 7L7Z7823395A · AL7Z7823395A · AL7Z7823395B · WLM198 · WLM223 · WMO1596L
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the Dorman 742-178 window motor fit?
It's a direct-fit replacement for the 2008-2017 Ford Expedition and 2007-2017 Lincoln Navigator. See the Buyer's Guide tab to confirm your exact vehicle.
What position is this window motor for?
This is the front-left (driver-side front) window lift motor. Confirm the position matches the window you're servicing before ordering.
What makes this a "smart motor" replacement?
It features upgraded electronics and PCB protection for faster response and better protection against voltage spikes, heat-related failures, and motor stall conditions.
Do I need special tools or calibration?
No. Proprietary software helps ensure fast, simple calibration with no special tools or skills required, per Dorman.
Is this motor tested to safety standards?
Yes. It has been engineered and tested to meet federal motor vehicle anti-pinch standards and is designed to help restore original equipment functionality.
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