Dorman 740-507 Window Regulator - Rear Left

Reliable Window Regulator for Toyota Corolla

The Dorman 740-507 window regulator is designed specifically for Toyota Corolla models, providing a durable and efficient solution for electric window operation. This power window regulator ensures smooth and consistent window movement without the need for a motor.

Key Features of Dorman 740-507 Window Regulator

• Gear material constructed from durable plastic for reliable performance
• Frame made from a combination of metal and plastic for strength and flexibility
• Bolt-on attachment type for secure and straightforward installation
• Electric window operation compatible with Toyota Corolla power window systems
• Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

The Dorman 740-507 window regulator is engineered to meet the specific requirements of Toyota Corolla vehicles. Featuring a plastic gear and a mixed metal and plastic frame, this part balances durability with lightweight design. The bolt-on attachment type allows for a secure fit within the door assembly, ensuring consistent window movement. This regulator is designed for electric window systems but does not include a motor, making it ideal for replacing a faulty regulator while retaining the original motor. Installation instructions and mounting hardware are not included, so professional installation or prior experience is recommended.

Common Applications and Issues Addressed

• Restores smooth electric window operation in Toyota Corolla models
• 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 faulty regulator gears
• Provides a cost-effective alternative to full window assembly replacement

Installation Notes and Tips

Installation of the Dorman 740-507 window regulator requires removal of the door panel and careful handling of the window glass. Since mounting hardware and installation instructions are not included, it is recommended to have the necessary bolts and tools on hand before beginning. Ensure the window glass is properly supported during installation to prevent damage. Professional installation is advised if you are unfamiliar with power window systems.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. While specific warranty details for part number 740-507 are not provided, Dorman typically offers limited warranties covering defects in materials and workmanship. This window regulator is designed to provide reliable service when installed correctly in compatible Toyota Corolla vehicles.