Dorman 740-918 Window Regulator - Front Left

Reliable Window Regulator for Toyota Sienna

The Dorman 740-918 window regulator is designed specifically for Toyota Sienna models, providing a durable and efficient solution for electric window operation. This power window regulator offers a bolt-on attachment type for straightforward installation.

• Compatible with Toyota Sienna vehicles
• Electric window operation type
• Durable metal and plastic frame construction
• Plastic gear material for smooth movement
• Bolt-on attachment type for secure mounting
• Does not include motor or mounting hardware
• Package contains one power regulator unit

Product Details and Specifications

The Dorman 740-918 window regulator features a combination of metal and plastic frame materials, ensuring a balance of strength and lightweight design. The plastic gear material is engineered to provide smooth and consistent window movement without excessive wear. This part is designed for electric window systems but does not include the motor, allowing for replacement of the regulator mechanism alone. The bolt-on attachment type simplifies installation by securely fastening the regulator to the door frame. Note that mounting hardware and installation instructions are not included with this part.

Common Applications and Problem Resolution

This window regulator is intended for use in Toyota Sienna models experiencing issues such as:

• Window glass that fails to move up or down smoothly
• Intermittent or complete window operation failure
• Grinding or unusual noises during window movement
• Loose or misaligned window glass
• Broken or worn regulator gears

Installation Notes and Tips

Installation of the Dorman 740-918 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and instructions are not included, it is recommended to retain original hardware or acquire compatible bolts. Ensure the regulator is properly aligned before tightening bolts to avoid window misalignment. Professional installation is advised if unfamiliar with door panel disassembly or window regulator replacement.

Quality Assurance and Warranty

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 with durable materials to provide reliable service. Please refer to Dorman's warranty policy for specific coverage details related to part number 740-918.