Dorman 742-137 Power Window Motor - Front Left or Rear Right

Reliable Window Motor Replacement for Buick and Pontiac

The Dorman 742-137 window motor is designed to restore smooth window operation in select Buick and Pontiac vehicles. Engineered for compatibility with the Bonneville and LeSabre models, this window lift motor offers a plug-in installation without the need for additional wiring harnesses or mounting hardware.

Key Features of the Dorman 742-137 Window Motor

• Compatible with Buick Bonneville and Pontiac LeSabre window systems
• Plug-in design for straightforward installation
• Includes window lift gear for complete motor functionality
• Does not include regulator, mounting hardware, or wiring harness
• Part number 742-137 ensures precise fitment and performance

Detailed Description of the Window Lift Motor

This Dorman window motor (part number 742-137) is engineered specifically for the electrical and body systems of Buick Bonneville and Pontiac LeSabre vehicles. The motor comes with the window lift gear included, providing the essential components needed to operate the window mechanism effectively. Its plug-in configuration simplifies the replacement process by eliminating the need for hardwiring or additional harnesses. Note that this unit does not include the regulator or mounting hardware, so those components must be sourced separately if needed.

Common Applications and Problem Resolution

• Restores power window function in Buick Bonneville and Pontiac LeSabre models
• Replaces faulty or non-responsive window motors
• Addresses issues with slow or stuck windows
• Eliminates grinding or unusual noises during window operation
• Solves intermittent window movement caused by motor failure

Installation Notes and Tips

• Compatible with factory window regulators; verify regulator condition before installation
• Plug-in wiring design allows for direct connection without splicing
• Mounting hardware is not included; retain original hardware or acquire separately
• Ensure proper alignment of the window lift gear during installation
• Test window operation before reassembling door panels

Quality Assurance and Warranty Information

Dorman window motors undergo quality control testing to meet OEM standards for fit and function. The 742-137 part is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship. This ensures reliable performance for Buick Bonneville and Pontiac LeSabre owners seeking a dependable window motor replacement.