Dorman 742-579 Power Window Motor - Front Right
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Dorman

Dorman 742-579 Power Window Motor - Front Right

Brand Dorman 742-579
Position Front Right
Anti-Pinch Motor Yes
Express Up Or Down Up Down
Hardwired Or Plug-In Plug-In
Micro-controlled (Embedded Logic) Yes
Mounting Hardware Included No
Package Contents Window Lift Motor
Regulator Included No
Window Lift Gear Included Yes
Wiring Harness Included No
Fits Buick · 8 vehicles

Precision-engineered. Matches the fit and performance of the original motor for a reliable replacement.

Plug-in design. Simplifies installation with no wiring harness required.

Integrated control logic. Includes anti-pinch and express up/down functionality.

Cross-references 421120 and 20951580 for the same application. See all 2.

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Dorman 742-579 Window Motor for Buick

Dorman 742-579 is a plug-in power window lift motor engineered to match the fit and operating performance of the original unit in specific Buick applications. It is built for the front right window and includes an anti-pinch motor, micro-controlled embedded logic, and a window lift gear for direct replacement service.

Key Features

  • Fits 2010-2016 Buick LaCrosse, front right
  • Fits 2010 Buick Allure, front right
  • Plug-in electrical connection for simplified replacement
  • Anti-pinch motor with micro-controlled embedded logic
  • Express up/down operation support
  • Window lift gear included
  • Direct replacement window motor for the front right door

Detailed Description

This Dorman window motor is designed for Buick LaCrosse and Buick Allure front right applications where the original power window motor has worn out or stopped responding correctly. Part number 742-579 is built to restore window movement with OE-style fit and function, while the integrated logic and anti-pinch design support proper power window operation in vehicles equipped with those features. This part cross-references 421120 and 20951580 for the same application.

Common Problems It Can Help Solve

  • Window will not move up or down from the switch
  • Slow, weak, or intermittent front right window operation
  • Grinding or slipping caused by a worn motor or gear
  • Loss of express up/down function
  • Faults related to an aging anti-pinch window motor

Installation Notes and Tips

Confirm the vehicle is equipped with a front right power window motor that uses a plug-in connector before ordering. Regulator, mounting hardware, and wiring harness are not included, so reuse or source the required related components as needed. Verify the window glass and regulator move freely before installing the replacement motor to avoid repeat failure.

Quality Assurance

Dorman engineers this replacement motor to match the original fit and performance for the listed Buick applications. Part number 742-579 is intended for direct replacement service in 2010-2016 Buick LaCrosse and 2010 Buick Allure front right positions.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2016BuickLaCrosseFront Right—
2015BuickLaCrosseFront Right—
2014BuickLaCrosseFront Right—
2013BuickLaCrosseFront Right—
2012BuickLaCrosseFront Right—
2011BuickLaCrosseFront Right—
2010BuickAllureFront Right—
2010BuickLaCrosseFront Right—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
42112020951580