Dorman 742-178 Window Motor - Front Left

Dorman 742-178 Window Motor for Ford and Lincoln

The Dorman 742-178 window motor is a plug-in replacement for the front left power window on select Ford Expedition and Lincoln Navigator models. It is precision-engineered to match the fit and operating performance of the original motor for a direct repair on the driver-side front door.

• Plug-in electrical connection for straightforward replacement
• Window lift motor only; regulator not included
• Mounting hardware not included
• Window lift gear not included
• No micro-controlled embedded logic
• No wiring harness included

Fitment Details

• Fits 2008-2017 Ford Expedition, front left, 8 term connector
• Fits 2007-2017 Lincoln Navigator, front left, 8 term connector

Replacement Use Cases

• Slow or weak front left window movement
• Window that stops partway up or down
• Motor noise without glass movement
• Intermittent power window operation
• Failed original lift motor on the driver-side front door

Installation Notes

This Dorman window motor uses a plug-in connection and is intended for vehicles with an 8-term connector. Verify the original connector style and door configuration before installation. Because the regulator, wiring harness, mounting hardware, and lift gear are not included, reuse or source the required related components as needed during the repair.

This part cross-references ACI 383329 for the same application.

Quality Assurance

Dorman designs this replacement motor to match the fit and performance of the original equipment unit in specific applications. Part number 742-178 is built for direct replacement use on select Ford Expedition and Lincoln Navigator front left window systems.