Replace a worn or failed power lock actuator with the Dorman door lock actuator motor 746-181, a non-integrated unit that sits separate from the door latch and moves the lock mechanism when the power lock switch is used. It fits many vehicles, among them the 2004-2019 Ford E-350 Super Duty, 2003-2017 Ford E-450 Super Duty and 2003-2014 Ford E-150, and it is a direct-fit replacement for the listed applications. See the "Vehicles it fits" section for the full list.
Dorman engineered this unit as a direct replacement for the stock actuator and put it through extensive quality and safety testing.
- Reliable replacement: This door lock actuator has passed extensive quality and safety performance testing.
- Perfect fit: It is engineered to fit and work like the original actuator on the listed applications.
- Safety compliant: The part has been through simulated crash testing under government guidelines.
- Long-lasting repair: Cycle testing in an actual vehicle door verifies that it works effectively for years.
Position: Depending on the application, catalog positions include rear, rear left, rear right, and the right-side hinged door front and rear.
Signs this part may need replacing include a door that won't lock or unlock with the power switch, locks that work only some of the time, or buzzing or clicking inside the door panel. Wiring or switch faults can cause similar symptoms, so diagnose the cause before replacing the actuator. Consult the vehicle service information for installation steps and fastener guidance.
Interchange: 8D1362 · DLA1009 · DLA509 · 4C2Z16218A42CA · SK746181 · DLA286 · DLA387
This part cross-references / interchanges with the following part numbers:
8D1362, DLA1009, DLA509, 4C2Z16218A42CA, SK746181, DLA286, DLA387
Frequently Asked Questions
What does this Dorman lock actuator do?
It is the electric actuator that moves the door's lock mechanism to lock or unlock when the power lock switch is used. It is a non-integrated unit, separate from the door latch.
Which vehicles does the 746-181 fit?
It fits many vehicles, including the 2004-2019 Ford E-350 Super Duty, 2003-2017 Ford E-450 Super Duty and 2003-2014 Ford E-150. Check the "Vehicles it fits" section to confirm your application.
Which door positions is it cataloged for?
Depending on the application, catalog positions include rear, rear left, rear right, and the right-side hinged door front and rear.
What are signs a door lock actuator may need replacing?
Signs include a door that won't lock or unlock with the power switch, locks that work only some of the time, or buzzing or clicking inside the door. Wiring or switch faults can cause similar symptoms, so diagnose first.
How was this actuator tested?
Dorman states it went through extensive quality and safety performance testing, simulated crash testing under government guidelines, and cycle testing in an actual vehicle door.
