Dorman 777-304 Window Motor and Regulator Assembly

Dorman 777-304 Power Window Motor and Regulator

Dorman 777-304 is a replacement power window motor and regulator assembly for select Ford Super Duty trucks. It is engineered and tested to match the fit, function, and performance of the original window regulator on the listed applications.

Compatible with 2008-2016 Ford F-250 Super Duty and 2008-2016 Ford F-350 Super Duty, this assembly is built for rear window service and uses a bolt-on attachment design with a plug-in connector.

Key Features

• Replacement power window motor and regulator assembly
• Fits rear window applications on select Ford F-250 Super Duty and Ford F-350 Super Duty models
• Automatic down operation
• Motor included
• Steel frame with plastic housing and plastic gear material
• 2-wire, 2-terminal design with 170 wiring harness length
• 32 gear teeth and 45 motor power rating
• Safety glass application

Detailed Description

This Dorman window motor and regulator assembly is intended for rear power window repair on 2008-2016 Ford F-250 Super Duty and 2008-2016 Ford F-350 Super Duty trucks. The assembly is precision-engineered to match the stock regulator’s fit and operating characteristics, helping restore normal window movement when the original unit is worn or no longer functioning correctly. This part number is 777-304, and it cross-references Ford OE numbers 8C3Z2523394A and 9C3Z2523394A for the same application.

Common Repair Uses

• Window glass that will not move down automatically
• Slow, noisy, or inconsistent rear window operation
• Failed window motor or regulator assembly
• Binding or slipping window movement
• Electrical window operation loss at the rear door or cab window location

Installation Notes and Tips

Verify vehicle year, make, model, and rear window application before installation. This assembly uses a bolt-on mounting style and plug-in electrical connection, so connector condition and mounting points should be inspected before replacement. Confirm the glass type and regulator orientation match the vehicle’s original configuration. Installation instructions are not included.

Quality Assurance

Dorman tests this replacement assembly for fit, function, and performance against the stock regulator design on the listed vehicles. The part is built for direct replacement use on the specified Ford Super Duty applications and is FMVSS compliant on the confirmed fitments.