Dorman 740-100 Window Regulator - Front Left

Reliable Electric Window Regulator for Hyundai and Kia Models

The Dorman 740-100 window regulator is designed to restore smooth electric window operation in select Hyundai and Kia vehicles. Engineered with durable materials, this power window regulator offers a bolt-on installation for a secure fit without the need for additional mounting hardware.

Key Features of the Dorman 740-100 Window Regulator

• Gear material constructed from plastic for consistent performance
• Steel housing ensures structural strength and durability
• Frame made from a combination of metal and plastic for balanced rigidity and weight
• Bolt-on attachment type simplifies installation process
• Electric window operation type compatible with factory power window systems
• Motor not included, designed to work with existing or separately purchased motors
• Installation instructions not included, recommended for experienced installers or professionals
• Package contains one power window regulator unit

Detailed Product Description

The Dorman 740-100 window regulator is specifically engineered for Hyundai Magentis, Kia Optima, and Hyundai Sonata models requiring an electric window regulator replacement. Its plastic gear material reduces noise and wear, while the steel housing provides a robust enclosure to protect internal components. The frame combines metal and plastic elements to maintain structural integrity while minimizing weight. This part is designed as a bolt-on replacement, allowing for a straightforward installation without the need for additional mounting hardware. Note that the motor is not included, so this regulator is ideal for applications where the existing motor remains functional or is replaced separately.

Common Issues Addressed by This Window Regulator

• Electric window failing to move up or down smoothly
• Window stuck in one position due to worn or broken regulator gears
• Excessive noise during window operation caused by damaged regulator components
• Loose or unstable window glass movement
• Complete window regulator failure preventing window operation

Installation Notes and Tips

• Compatible with Hyundai Magentis, Kia Optima, and Hyundai Sonata models; verify vehicle year and door side before installation
• Requires removal of the door panel to access the window regulator assembly
• Use appropriate tools for bolt-on attachment to ensure secure fitment
• Since installation instructions are not included, consult vehicle-specific repair manuals or professional guidance
• Inspect the existing motor and consider replacement if malfunctioning, as this part does not include a motor

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 740-100 window regulator undergoes quality checks to ensure durability and reliable operation. Please refer to Dorman's official warranty policy for specific coverage details.