Dorman 740-266 Window Regulator - Rear Left

Reliable Window Regulator for Hyundai and Kia Vehicles

The Dorman 740-266 window regulator is designed for electric window operation in select Hyundai and Kia models. This bolt-on replacement part offers a durable metal and plastic frame construction to ensure consistent performance without the motor included.

• Compatible with Hyundai Magentis, Kia Optima, and Kia Sonata models
• Electric window operation type for smooth functionality
• Bolt-on attachment type for straightforward installation
• Durable metal and plastic frame materials for strength and longevity
• Plastic gear material designed for reliable gear engagement
• Does not include motor or mounting hardware
• Package contains one power window regulator

Product Details and Specifications

The Dorman 740-266 window regulator is engineered to replace the electric window regulator assembly in Hyundai Magentis, Kia Optima, and Kia Sonata vehicles. Featuring a combination of metal and plastic frame materials, this part balances durability with weight considerations. The plastic gear material is designed to mesh precisely for smooth window movement. This regulator is a bolt-on type, allowing for a secure fit without the need for additional mounting hardware, which is not included. Note that the motor is not part of this assembly and must be sourced separately if needed. Installation instructions are not provided with this part, so professional installation or reference to a service manual is recommended.

Common Applications and Problem Resolution

• Restores electric window functionality in Hyundai Magentis, Kia Optima, and Kia Sonata
• Replaces worn or broken window regulators causing window misalignment or failure
• Addresses issues with window movement sticking or not responding
• Solves problems related to broken gears within the regulator mechanism
• Provides a replacement for damaged or bent regulator frames

Installation Notes and Tips

Installation of the Dorman 740-266 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and motor are not included, ensure existing components are in good condition or replaced as necessary. Use appropriate tools to bolt the regulator securely in place. Refer to vehicle-specific repair manuals for detailed installation procedures to avoid damage to door components or window glass.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 740-266 window regulator undergoes quality checks to ensure reliable operation in compatible Hyundai and Kia models. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor or retailer.