Dorman 742-840 Power Window Motor - Front Left

Reliable Window Motor Replacement for Honda Vehicles

The Dorman 742-840 window motor is designed to restore smooth and efficient window operation in select Honda models. Engineered for compatibility with Honda Accord, Civic del Sol, and Prelude, this window lift motor offers a plug-in wiring harness for straightforward installation.

Key Features of the Dorman 742-840 Window Motor

• Compatible with Honda Accord, Civic del Sol, and Prelude window systems
• Includes window lift motor and wiring harness for plug-in connection
• Window lift gear included for complete functionality
• No regulator or mounting hardware included, designed for direct motor replacement
• Hardwired plug-in design simplifies installation and reduces wiring issues

Detailed Product Description

The Dorman 742-840 window motor is a direct replacement part engineered to meet the electrical and mechanical requirements of specific Honda models. This unit includes the window lift gear and a wiring harness, enabling a plug-in connection that eliminates the need for splicing or additional wiring modifications. While the regulator and mounting hardware are not included, this motor is intended for use with existing components, making it ideal for repairs where the regulator remains functional. The absence of embedded logic means the motor operates with the vehicle's original control system, ensuring compatibility and reliable performance.

Common Applications and Issues Addressed

• Restores power window function in Honda Accord, Civic del Sol, and Prelude models
• Replaces faulty or non-responsive window motors causing slow or stuck windows
• Solves electrical connection problems with included wiring harness
• Addresses grinding or slipping window lift gear issues
• Ideal for repairs where regulator and mounting hardware are intact

Installation Notes and Tips

• Designed for plug-in installation using the included wiring harness; no splicing required
• Verify regulator and mounting hardware condition before installation, as these are not included
• Ensure proper alignment of the window lift gear during assembly to prevent operational issues
• Consult vehicle-specific service manual for removal and installation procedures

Quality Assurance and Warranty Information

Dorman window motors undergo rigorous testing to meet OEM standards for fit and function. The 742-840 part number is backed by Dorman's limited warranty, providing coverage against defects in materials and workmanship. This ensures dependable performance for Honda Accord, Civic del Sol, and Prelude owners seeking a reliable window motor replacement.