HomeElectrical, Lighting and Body > Glass, Windows and Related ComponentsDorman 777-300 Window Motor and Regulator Assembly
Part #: 777-300

Dorman 777-300 Window Motor and Regulator Assembly

⚙️ 10 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 and Lincoln, F-150 and Mark LT
🔄Easy Returns — Return within 60 days for a full refund
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Reliable Window Motor and Regulator Assembly for Ford F-150 and Lincoln Mark LT

The Dorman 777-300 window motor and regulator assembly is designed to restore smooth and efficient window operation for your Ford F-150 or Lincoln Mark LT. Engineered with durable plastic materials and a precise fit, this rear mounting assembly ensures reliable automatic window control.

  • Constructed with durable plastic housing and plastic gears for consistent performance
  • Designed specifically for rear window mounting on Ford F-150 and Lincoln Mark LT models
  • Automatic downward operation for seamless window control
  • Includes a 100 mm wiring harness length and 2-wire configuration
  • Bolt-on attachment type with 3 mounting holes for secure installation
  • Motor power rating of 22 watts for efficient window movement
  • Specific fitment ensures compatibility and proper function

Detailed Product Description

The Dorman 777-300 window motor and regulator assembly is crafted with a plastic housing and plastic gear material, providing a balance of lightweight design and durability. This assembly is intended for rear window mounting positions, making it an ideal replacement part for Ford F-150 and Lincoln Mark LT trucks. The motor operates automatically in the downward direction, powered by a 22-watt motor that delivers reliable torque for smooth window movement. The wiring harness length of 100 mm and a 2-wire setup facilitate straightforward electrical connections. The bolt-on attachment type with three mounting holes allows for a secure and precise fit without the need for additional mounting hardware.

Common Applications and Problem Resolution

  • Restores window functionality when the motor fails to operate or moves sluggishly
  • Replaces worn or damaged plastic gears that cause window jamming or uneven movement
  • Solves issues with rear window regulators that no longer hold the window in place
  • Addresses electrical failures related to the window motor in Ford F-150 and Lincoln Mark LT models
  • Eliminates problems with automatic window operation, specifically the downward movement

Installation Notes and Tips

Installation of the Dorman 777-300 window motor and regulator assembly requires removal of the door panel to access the rear window mounting position. Ensure the wiring harness is properly connected to the vehicle’s electrical system using the 2-wire configuration. The bolt-on attachment type with three mounting holes allows for straightforward alignment and secure fastening. Note that mounting hardware is not included, so retain original bolts or acquire appropriate replacements. Testing the window operation before reassembling the door panel is recommended to confirm proper installation.

Quality Assurance and Warranty

Dorman manufactures this window motor and regulator assembly to meet or exceed OEM specifications for fit, form, and function. The use of plastic materials for housing and gears is engineered for durability under normal operating conditions. While specific warranty details are not provided, Dorman products typically come with a limited warranty covering defects in material and workmanship. For exact warranty terms, consult the product documentation or manufacturer resources.

BrandDorman
Part Number777-300
MaterialPlastic
MaterialPlástico
10941Oui
10941
10941Yes
10943No
10943Non
10945Oui
10945
10945Yes
Gear MaterialPlastic
Gear MaterialPlástico
Maximum Width330
Mounting PositionArrière
Mounting PositionRear
Mounting PositionTrasero
Wiring Harness Length100
Attachment TypeBolt on
Attachment TypeCon perno
Operation TypeAutomatic (down)
Operation TypeAutomático (abajo)
Mounting Hardware IncludedNo
Mounting Hardware IncludedNon
Universal Or Specific FitEspecífico
Universal Or Specific FitSpecific
Wire Quantity2
Mounting Hole Quantity3
Housing MaterialPlastic
Housing MaterialPlástico
Motor Power Rating22 w

This part fits 10 vehicles. Search below:

YearMakeModelPositionNotes
2014FordF-150N/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2014LincolnMark LTN/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2013FordF-150N/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2013LincolnMark LTN/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2012FordF-150N/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2012LincolnMark LTN/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2011FordF-150N/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2011LincolnMark LTN/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2010FordF-150N/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes
2010LincolnMark LTN/AFMVSS (Federal Motor Vehicle Safety Standards) Compliant: Yes

* 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:

AL3Z1523394AWLM221

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