Dorman 742-136 Power Window Motor - Front Right or Rear Left

Dorman 742-136 Window Lift Motor

This Dorman window motor is a direct replacement for specific Buick LeSabre and Pontiac Bonneville applications. It is precision-engineered to match the fit and performance of the original motor, helping restore reliable power window operation when the factory unit is worn out.

Key Features

• Plug-in electrical connection for straightforward replacement
• Window lift gear included for proper motor-to-regulator engagement
• Designed as a window lift motor only; regulator not included
• Mounting hardware not included
• Wiring harness not included
• Fits front right and rear left positions on select vehicles
• Cross-references ACI 82990 and Cardone Reman 42-1006 for the same application

Detailed Description

Dorman 742-136 is a power window lift motor replacement built for specific 2000-2005 Buick LeSabre and 2000-2005 Pontiac Bonneville models. It is made to match the original motor’s fit and operating characteristics, making it a practical choice when the existing motor no longer moves the window smoothly or stops working altogether. The plug-in design supports a clean electrical connection, and the included window lift gear helps ensure proper transfer of motion to the regulator assembly.

Compatible With 2000-2005 Buick LeSabre, front right and rear left, and 2000-2005 Pontiac Bonneville, front right and rear left. This part number, 742-136, is also a useful reference when searching for a replacement window motor for these GM full-size sedans.

Common Problems This Part Can Address

• Window glass will not move up or down
• Motor runs but the window does not respond
• Slow, weak, or intermittent window movement
• Grinding or slipping from a worn lift motor gear
• Failure of the original power window motor in the front right or rear left door

Installation Notes and Tips

Verify the vehicle year, make, model, and door position before ordering. This replacement is for plug-in applications and does not include the regulator, mounting hardware, or wiring harness. Inspect the window regulator, tracks, and electrical connector condition during installation to help confirm the repair is complete. For fitment-specific searches, use Dorman 742-136 when looking for a window motor for 2000-2005 Buick LeSabre or Pontiac Bonneville.

Quality Assurance

Dorman engineers this replacement motor to match the fit and performance of the original part for the listed applications. It is intended as a direct-fit service part for select Buick LeSabre and Pontiac Bonneville vehicles.