Dorman 749-164 Window Regulator - Front Left or Rear Left

Reliable Electric Window Regulator for Toyota and Scion Models

The Dorman 749-164 window regulator is designed to restore smooth electric window operation in select Toyota and Scion vehicles. Engineered with durable materials, this power window regulator offers a bolt-on installation solution for models including the Prius, Prius Plug-In, tC, xD, and Yaris.

Key Features of the Dorman 749-164 Window Regulator

• Gear material constructed from plastic for consistent performance
• Frame made of both metal and plastic components for strength and durability
• Bolt-on attachment type ensures secure mounting without modifications
• Electric window operation compatible with factory power window systems
• Includes one power regulator unit per package
• Does not include motor or mounting hardware
• No installation instructions included, recommended for experienced installers

Detailed Product Description

The Dorman 749-164 window regulator is a direct replacement part designed specifically for electric window systems in Toyota Prius, Prius Plug-In, tC, xD, and Yaris models, as well as compatible Scion vehicles. The regulator features a plastic gear that meshes smoothly with the window motor (sold separately), while the frame combines metal and plastic materials to provide a balance of rigidity and weight savings. This part uses a bolt-on attachment method, allowing for straightforward installation using existing mounting points. Note that mounting hardware and motor are not included, so these components must be reused or purchased separately.

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 glass becoming stuck or misaligned
• Wear or damage to the regulator gear or frame components

Installation Notes and Tips

• Recommended for technicians familiar with electric window systems
• Reuse existing mounting hardware or source compatible bolts as needed
• Ensure the motor is tested and functioning before installation, as it is not included
• Carefully align the regulator frame to prevent window binding
• Consult vehicle-specific repair manuals for detailed removal and installation procedures

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 749-164 window regulator undergoes quality checks to ensure reliable operation in compatible Toyota and Scion vehicles. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.