When a worn-out motor leaves the glass stuck or crawling, the Dorman window motor 742-251 is a direct replacement window lift motor. It drives the regulator that raises and lowers the glass. It fits many vehicles, among them the 1981-1996 Ford F-150, the 1971-1973 Ford Mustang and the 1981-1996 Ford F-250. See the "Vehicles it fits" section for the full list.
Depending on the application, this motor is cataloged for the front left, front right, rear left, rear right or tailgate position. It is designed to perform like the original equipment motor on the listed applications. If the factory motor has failed from damage, fatigue or collision impact, it is intended to help bring back original equipment operation.
- Direct replacement: designed to perform like the original equipment motor on the listed vehicles.
- Ideal solution: engineered and tested to help return a failed window to original equipment operation.
- Durable construction: designed and built to strict specifications for dependable operation.
- Trustworthy quality: supported by a U.S.-based team of product experts and more than a century of automotive experience.
Signs that a power window motor may need replacing include glass that moves slowly, stops partway, or won't move when the switch is pressed. A faulty switch, wiring or regulator can cause the same symptoms, so diagnose the cause before you replace the motor.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this the right 1981-1996 Ford F-150 window motor?
Dorman 742-251 is listed for the 1981-1996 Ford F-150 and the 1981-1996 Ford F-250. The "Vehicles it fits" section shows every other listed vehicle.
Does this motor fit a 1971-1973 Ford Mustang?
Yes, it is listed for the 1971-1973 Ford Mustang. Check the "Vehicles it fits" section for the other vehicles it fits.
What does a window motor do?
It drives the window regulator, which raises and lowers the glass when you press the window switch.
Which position does this window motor install in?
Depending on the vehicle, it is cataloged for the front left, front right, rear left, rear right or tailgate position.
What are the signs of a failing window motor?
Glass that moves slowly, stalls partway or won't move with the switch pressed can be a sign of a worn motor. A switch, wiring or regulator fault can cause the same signs, so diagnose first.
