Dorman 749-402 Window Regulator - Front Left

Reliable Window Regulator for Kia Magentis and Optima

The Dorman 749-402 window regulator is designed to restore smooth electric window operation in select Kia vehicles. Engineered for compatibility with Kia Magentis and Optima models, this regulator ensures precise window movement without the motor included.

Key Features of Dorman 749-402 Window Regulator

• Gear material constructed from durable plastic for consistent performance
• Bolt-on attachment type for secure and straightforward installation
• Frame made from a combination of metal and plastic for strength and flexibility
• Electric window operation type compatible with factory power window systems
• Includes one power window regulator (regulator only), motor not included
• No mounting hardware or installation instructions included

Detailed Product Description

The Dorman 749-402 window regulator is a direct replacement part designed specifically for Kia Magentis and Optima vehicles. Its plastic gear material provides reliable engagement with the window mechanism, while the mixed metal and plastic frame construction balances durability and weight. This regulator is intended for electric window systems and requires the existing motor to function, as it does not include a motor. The bolt-on attachment type allows for a secure fit using the vehicle's original mounting points. This part is ideal for those seeking a precise fit and dependable window operation without additional components.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or complete loss of electric window function
• Grinding or clicking noises during window operation
• Window becoming stuck in one position
• Worn or broken regulator gears causing window misalignment

Installation Notes and Tips

• Compatible with Kia Magentis and Optima models; verify vehicle year and door side before installation
• Requires removal of door panel to access the window regulator assembly
• Use existing mounting hardware; new hardware is not included
• Motor must be reused from the original assembly as it is not included
• Professional installation is recommended if unfamiliar with power window systems

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this window regulator does not include a motor or mounting hardware, it is built to provide reliable service when installed correctly. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.