Dorman 742-578 Window Motor - Front Left
Dorman 742-578 Window Motor for Buick
The Dorman 742-578 window motor is a direct-fit replacement for specific Buick applications, including the 2010-2016 Buick LaCrosse front left and 2010 Buick Allure front left. It is precision-engineered to match the fit and performance of the original power window lift motor for reliable operation.
Key Features
- Plug-in design for straightforward electrical connection
- Anti-pinch motor helps support window safety functions
- Micro-controlled embedded logic for controlled operation
- Express up/down function for one-touch window movement
- Window lift gear included for a complete motor assembly
- Fits front left applications on select Buick LaCrosse and Buick Allure models
Detailed Description
This Dorman window motor, part number 742-578, is built for direct replacement in select Buick vehicles where the original power window motor has worn out or stopped working properly. It is designed for the front left door on 2010-2016 Buick LaCrosse and 2010 Buick Allure models, with plug-in electrical connection and integrated micro-controlled logic. The anti-pinch motor and express up/down operation support the original window control behavior, while the included window lift gear helps restore proper movement. This part cross-references 421119 and 20951579 for the same application.
Common Problems It Can Help Solve
- Window will not move up or down from the driver-side front door
- Slow, intermittent, or weak power window operation
- Grinding or slipping caused by a worn window motor gear
- Loss of express up/down function
- Faults related to the original front left window lift motor
Installation Notes and Tips
Fits 2010-2016 Buick LaCrosse, front left, and fits 2010 Buick Allure, front left. Verify the original connector style before installation, since this unit is plug-in and does not include a wiring harness, regulator, or mounting hardware. Confirm door trim access, glass alignment, and regulator condition before replacing the motor to avoid repeat repairs.
Quality Assurance
Dorman engineers this replacement window motor to match the fit and performance of the original motor in specific vehicle years, makes, and models. Part number 742-578 is built as an OE-style replacement for the listed Buick applications.
Original: $80.62
-65%$80.62
$28.22Dorman 742-578 Window Motor - Front Left
Dorman 742-578 Window Motor for Buick
The Dorman 742-578 window motor is a direct-fit replacement for specific Buick applications, including the 2010-2016 Buick LaCrosse front left and 2010 Buick Allure front left. It is precision-engineered to match the fit and performance of the original power window lift motor for reliable operation.
Key Features
- Plug-in design for straightforward electrical connection
- Anti-pinch motor helps support window safety functions
- Micro-controlled embedded logic for controlled operation
- Express up/down function for one-touch window movement
- Window lift gear included for a complete motor assembly
- Fits front left applications on select Buick LaCrosse and Buick Allure models
Detailed Description
This Dorman window motor, part number 742-578, is built for direct replacement in select Buick vehicles where the original power window motor has worn out or stopped working properly. It is designed for the front left door on 2010-2016 Buick LaCrosse and 2010 Buick Allure models, with plug-in electrical connection and integrated micro-controlled logic. The anti-pinch motor and express up/down operation support the original window control behavior, while the included window lift gear helps restore proper movement. This part cross-references 421119 and 20951579 for the same application.
Common Problems It Can Help Solve
- Window will not move up or down from the driver-side front door
- Slow, intermittent, or weak power window operation
- Grinding or slipping caused by a worn window motor gear
- Loss of express up/down function
- Faults related to the original front left window lift motor
Installation Notes and Tips
Fits 2010-2016 Buick LaCrosse, front left, and fits 2010 Buick Allure, front left. Verify the original connector style before installation, since this unit is plug-in and does not include a wiring harness, regulator, or mounting hardware. Confirm door trim access, glass alignment, and regulator condition before replacing the motor to avoid repeat repairs.
Quality Assurance
Dorman engineers this replacement window motor to match the fit and performance of the original motor in specific vehicle years, makes, and models. Part number 742-578 is built as an OE-style replacement for the listed Buick applications.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 742-578 Window Motor for Buick
The Dorman 742-578 window motor is a direct-fit replacement for specific Buick applications, including the 2010-2016 Buick LaCrosse front left and 2010 Buick Allure front left. It is precision-engineered to match the fit and performance of the original power window lift motor for reliable operation.
Key Features
- Plug-in design for straightforward electrical connection
- Anti-pinch motor helps support window safety functions
- Micro-controlled embedded logic for controlled operation
- Express up/down function for one-touch window movement
- Window lift gear included for a complete motor assembly
- Fits front left applications on select Buick LaCrosse and Buick Allure models
Detailed Description
This Dorman window motor, part number 742-578, is built for direct replacement in select Buick vehicles where the original power window motor has worn out or stopped working properly. It is designed for the front left door on 2010-2016 Buick LaCrosse and 2010 Buick Allure models, with plug-in electrical connection and integrated micro-controlled logic. The anti-pinch motor and express up/down operation support the original window control behavior, while the included window lift gear helps restore proper movement. This part cross-references 421119 and 20951579 for the same application.
Common Problems It Can Help Solve
- Window will not move up or down from the driver-side front door
- Slow, intermittent, or weak power window operation
- Grinding or slipping caused by a worn window motor gear
- Loss of express up/down function
- Faults related to the original front left window lift motor
Installation Notes and Tips
Fits 2010-2016 Buick LaCrosse, front left, and fits 2010 Buick Allure, front left. Verify the original connector style before installation, since this unit is plug-in and does not include a wiring harness, regulator, or mounting hardware. Confirm door trim access, glass alignment, and regulator condition before replacing the motor to avoid repeat repairs.
Quality Assurance
Dorman engineers this replacement window motor to match the fit and performance of the original motor in specific vehicle years, makes, and models. Part number 742-578 is built as an OE-style replacement for the listed Buick applications.
