HomeElectrical, Lighting and Body > Glass, Windows and Related ComponentsDorman 751-521 Window Motor and Regulator Assembly - Rear Left or Rear Right
Part #: 751-521

Dorman 751-521 Window Motor and Regulator Assembly - Rear Left or Rear Right

Rear Right and Rear Left
⚙️ 20 vehicles fit this part
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Select your vehicle to confirm fitment
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, F-150, F-250 Super Duty, and F-350 Super Duty
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Window Motor and Regulator Assembly for Ford Trucks

The Dorman 751-521 window motor and regulator assembly is designed to restore smooth and efficient power window operation in Ford F-150, F-250 Super Duty, and F-350 Super Duty models. Engineered with durable materials, this electric window regulator assembly offers a direct replacement solution for your vehicle's glass and window components.

  • Constructed with steel and plastic components for strength and durability
  • Plastic gear material designed for consistent performance
  • Bolt attachment type with 5 mounting holes for secure installation
  • Plug-in connector for straightforward electrical connection
  • Includes installation instructions for ease of replacement

Durable Materials and Design Features

This window motor and regulator assembly combines steel and plastic materials to balance durability and functionality. The steel frame provides structural integrity, while the plastic gears reduce noise and wear during operation. The assembly features a bolt attachment type with five mounting holes, ensuring a secure fit in your Ford F-150, F-250 Super Duty, or F-350 Super Duty. The plug-in connector simplifies the electrical hookup, making it compatible with the factory wiring harness without the need for additional components.

Compatible Ford Models and Part Number Details

The Dorman 751-521 is specifically designed for use with Ford trucks, including the F-150, F-250 Super Duty, and F-350 Super Duty. This compatibility ensures that the window motor and regulator assembly meets the exact specifications required for these models, providing reliable operation and fitment. Using the correct part number 751-521 helps avoid installation issues and ensures proper function of your vehicle's power windows.

Common Issues Addressed by This Window Motor and Regulator Assembly

  • Power window failure or slow window movement
  • Window stuck in the up or down position
  • Grinding or unusual noises during window operation
  • Loose or unstable window glass movement
  • Non-responsive window switches due to motor failure

Installation Notes and Tips

Installation of the Dorman 751-521 window motor and regulator assembly requires removal of the door panel and disconnection of the existing window motor. The assembly uses a bolt attachment type with five mounting holes, so ensure all bolts are securely tightened during installation. The plug-in connector allows for a direct electrical connection without splicing. Follow the included installation instructions carefully to avoid damage to the window glass or door components.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for your Ford truck. While specific warranty details for part number 751-521 are not listed here, Dorman typically offers limited warranties on their window motor and regulator assemblies. Refer to the product packaging or Dorman's official resources for exact warranty terms.

BrandDorman
Part Number751-521
MaterialAcero
MaterialPlastic
MaterialPlástico
MaterialSteel
10943No
10943Non
Gear MaterialPlastic
Gear MaterialPlástico
Attachment TypeBolt
Attachment TypePerno
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Mounting Hole Quantity5
Terminal Quantity2
Hardwired Or Plug-InConector
Hardwired Or Plug-InPlug-in
Wiring Harness IncludedNo
Wiring Harness IncludedNon
Installation Instructions IncludedOui
Installation Instructions Included
Installation Instructions IncludedYes
Anti-Pinch MotorNo
Anti-Pinch MotorNon
Belt IncludedNo
Belt IncludedNon
Contenidos del paquete1 ensamble de elevador de ventana eléctrico
Electric/ManualElectric
Eléctrico/manualEléctrico
ElevalunasNo expreso
Express Up Or DownNon-express

This part fits 20 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2022FordF-250 Super DutyCrew Cab PickupRear Left
2022FordF-350 Super DutyCrew Cab PickupRear Left
2021FordF-250 Super DutyExtended Cab PickupRear Right
2021FordF-250 Super DutyCrew Cab PickupRear Right
2021FordF-350 Super DutyExtended Cab PickupRear Right
2021FordF-350 Super DutyCrew Cab PickupRear Right
2020FordF-150Crew Cab PickupRear Right
2020FordF-250 Super DutyCrew Cab PickupRear Right
2020FordF-350 Super DutyCrew Cab PickupRear Right
2019FordF-150Crew Cab PickupRear Right
2019FordF-250 Super DutyCrew Cab PickupRear Right
2019FordF-350 Super DutyCrew Cab PickupRear Right
2018FordF-150Crew Cab PickupRear Right
2018FordF-250 Super DutyCrew Cab PickupRear Right
2018FordF-350 Super DutyCrew Cab PickupRear Right
2017FordF-150Crew Cab PickupRear Right
2017FordF-250 Super DutyCrew Cab PickupRear Right
2017FordF-350 Super DutyCrew Cab PickupRear Right
2016FordF-150Crew Cab PickupRear Right
2015FordF-150Crew Cab PickupRear Right

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

822003aFL3Z1627001AFL3Z1627001AAFL3Z1627001CFL3Z1627001EFL3Z1627001FFL3Z1627001HFL3Z1627001JFL3Z1627001LFL3Z1627001MFL3Z1627001PFL3Z1627001RFL3Z1627001WFL3Z1627001XRPAFD080WLA8019WLRA185WLRA205WLRA214WLRA224WLRA226WLRA232WLRA242

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.