Dorman 742-458 Window Motor - Front Right or Rear Right

Reliable Window Motor Replacement for Chevrolet Impala Models

The Dorman 742-458 window motor is designed to restore smooth and consistent window operation for Chevrolet Impala and Impala Limited vehicles. Engineered to meet OEM specifications, this window lift motor ensures dependable performance without the need for additional mounting hardware or wiring harnesses.

• Compatible with Chevrolet Impala and Impala Limited models
• Includes window lift gear for seamless integration
• Hardwired and plug-in connection for straightforward installation
• Does not include regulator, mounting hardware, or wiring harness
• Part number 742-458 for precise fitment and identification

Product Details and Features

The Dorman 742-458 window motor is a direct replacement part designed specifically for Chevrolet Impala and Impala Limited vehicles. This window lift motor comes equipped with the necessary window lift gear, allowing it to operate the window regulator mechanism effectively. The motor features a hardwired and plug-in connection, facilitating a secure and reliable electrical connection without the need for additional wiring harnesses. Note that this unit does not include the window regulator or mounting hardware, so those components must be sourced separately if needed.

Applications and Common Issues Addressed

• Restores power window function in Chevrolet Impala and Impala Limited models
• Replaces faulty or non-responsive window motors causing slow or stuck windows
• Eliminates intermittent window operation due to motor failure
• Resolves grinding or unusual noises from the window lift mechanism
• Addresses electrical connection issues related to the window motor

Installation Notes and Tips

Installation of the Dorman 742-458 window motor requires removal of the door panel and disconnection of the existing motor. Since mounting hardware and wiring harness are not included, retain original components or acquire replacements as necessary. The hardwired/plug-in design simplifies electrical connections, but ensure all connectors are secure and free of corrosion. Proper alignment of the window lift gear with the regulator is essential for smooth operation.

Quality Assurance and Warranty Information

Dorman manufactures this window motor to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Verify warranty coverage with the product documentation or supplier to ensure protection against defects and premature failure.