Dorman 749-450 Window Regulator - Rear Left

Reliable Window Regulator Replacement for Kia Rio and Rio5

The Dorman 749-450 window regulator is designed to restore smooth electric window operation in Kia Rio and Rio5 models. This power window regulator (regulator only) offers a durable solution for vehicles requiring a bolt-on replacement part without a motor.

Key Features of the Dorman 749-450 Window Regulator

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

Detailed Product Description

The Dorman 749-450 window regulator is engineered specifically for Kia Rio and Rio5 vehicles, providing a direct replacement for the factory regulator. Its plastic gear material reduces noise and wear, while the mixed metal and plastic frame construction balances rigidity and weight. Designed for electric window systems, this regulator requires a bolt-on installation method, maintaining the original fit and function. Note that this part does not include the motor or mounting hardware, so those components must be reused or purchased separately.

Common Applications and Issues Addressed

• Restores smooth electric window movement in Kia Rio and Rio5
• Replaces worn or broken window regulators causing window misalignment
• Fixes windows that fail to stay in position or move unevenly
• Addresses rattling or grinding noises from damaged regulator gears
• Provides a cost-effective alternative to full window assembly replacement

Installation Notes and Tips

Installation of the Dorman 749-450 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and motor are not included, retain original components or source replacements as needed. Bolt-on attachment simplifies alignment, but professional installation is recommended for proper fit and function. Refer to vehicle-specific repair manuals for detailed procedures.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While this product does not include a motor or hardware, it is built to provide reliable service life when installed correctly. Please consult Dorman’s warranty policy for coverage details related to the 749-450 window regulator.