Dorman 742-155 Power Window Motor - Front Left, Front Right or Rear Left

Reliable Window Motor Replacement for Buick, Chevrolet, and Pontiac

The Dorman 742-155 window motor is designed to restore smooth window operation in select Buick, Chevrolet, and Pontiac vehicles. This plug-in window lift motor includes the essential window lift gear for a precise fit and function.

Key Features of the Dorman 742-155 Window Motor

• Compatible with Buick Lucerne, Chevrolet Cobalt, and Pontiac G5 models
• Plug-in design for straightforward electrical connection
• Window lift gear included for seamless integration
• Does not include regulator or mounting hardware
• Wiring harness not included, designed for direct plug-in installation

Detailed Product Description

The Dorman 742-155 window motor is engineered to replace faulty or worn-out window motors in specific Buick, Chevrolet, and Pontiac vehicles. This part is a direct plug-in replacement, simplifying the installation process by eliminating the need for splicing or additional wiring. While the regulator and mounting hardware are not included, the window lift gear is integrated, ensuring compatibility with the existing window mechanism. This motor does not feature embedded logic or micro-controlled functions, focusing on reliable mechanical operation.

Common Applications and Issues Addressed

• Restores power window function in Buick Lucerne, Chevrolet Cobalt, and Pontiac G5
• Resolves slow or non-responsive window movement
• Fixes window motors that fail to engage or operate intermittently
• Eliminates grinding or unusual noises during window operation
• Replaces motors damaged by electrical faults or wear

Installation Notes and Tips

• Compatible with factory wiring harnesses due to plug-in design
• Verify vehicle model and year for proper fitment before installation
• Regulator and mounting hardware must be reused or purchased separately
• Disconnect vehicle battery before installation to prevent electrical shorts
• Test window operation before reassembling door panel

Quality Assurance and Warranty

Dorman window motors undergo quality checks to meet OEM standards for fit and function. The 742-155 part number is backed by Dorman's limited warranty, covering defects in materials and workmanship under normal use. Refer to Dorman's warranty policy for specific terms and conditions.