Dorman 742-123 Power Window Motor - Front Right, Rear Left or Rear Right

Reliable Window Motor for Select GM Trucks and SUVs

The Dorman 742-123 window motor is designed to restore power window functionality in various Chevrolet, GMC, Cadillac, and Pontiac vehicles. This plug-in motor includes the window lift gear but does not come with a regulator or mounting hardware, making it ideal for users who need a direct replacement motor compatible with their existing components.

Key Features of the Dorman 742-123 Window Motor

• Compatible with multiple GM models including Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Pontiac Grand Prix
• Plug-in design for straightforward electrical connection
• Includes window lift gear for smooth operation
• Does not include regulator or mounting hardware, allowing reuse of existing parts
• Hardwired plug-in connection simplifies installation

Detailed Product Description

The Dorman 742-123 window motor is engineered to meet the electrical and mechanical requirements of select GM trucks and SUVs. It features a plug-in wiring harness connection, eliminating the need for splicing or complex rewiring. The included window lift gear ensures proper engagement with the window regulator mechanism, providing reliable window movement. This motor is compatible with a wide range of vehicles such as the Chevrolet Avalanche 1500 and 2500, GMC Sierra 3500 Classic, Cadillac Escalade EXT, and Pontiac Grand Prix, among others. Note that this part does not include the regulator or mounting hardware, so it is intended for use with existing components or separate replacements.

Common Applications and Issues Resolved

• Restores power window operation in Chevrolet Silverado 1500 and GMC Sierra 2500 HD
• Replaces faulty or non-responsive window motors in Cadillac Escalade and Yukon models
• Addresses grinding or slow window movement caused by worn lift gears
• Solves electrical connection issues with plug-in style window motors
• Eliminates window motor failure symptoms such as windows stuck in one position

Installation Notes and Tips

• Compatible with factory regulators; no regulator included
• Ensure existing mounting hardware is in good condition before installation
• Plug-in wiring harness allows for direct connection without modification
• Test window operation before fully reassembling door panel
• Refer to vehicle-specific service manual for detailed removal and installation procedures

Quality Assurance and Warranty Information

Dorman window motors undergo quality testing to meet OEM standards for fit and function. The 742-123 part number is backed by Dorman's limited warranty, which covers defects in materials and workmanship. This ensures dependable performance for your Chevrolet, GMC, Cadillac, or Pontiac vehicle's power window system.