Dorman 740-583 Window Regulator - Rear Left

Reliable Window Regulator for Cadillac DeVille

The Dorman 740-583 window regulator is designed specifically for Cadillac DeVille models, providing dependable electric window operation. This power regulator offers a bolt-on attachment type and features a combination of metal and plastic frame materials for durability and performance.

Key Features of Dorman 740-583 Window Regulator

• Compatible with Cadillac DeVille vehicles
• Electric window operation type for smooth functionality
• Bolt-on attachment for straightforward installation
• Durable frame constructed from metal and plastic components
• Plastic gear material designed for reliable movement
• Does not include motor or mounting hardware
• Package contains one power regulator unit

Detailed Product Description

The Dorman 740-583 window regulator is engineered to restore proper window function in Cadillac DeVille models. Its electric operation type ensures consistent and quiet window movement. The regulator’s frame combines metal and plastic materials to balance strength and weight, while the plastic gear material helps reduce wear and noise during operation. This part is designed for bolt-on installation, making it a practical replacement option. Note that the motor and mounting hardware are not included, so these components must be sourced separately if needed.

Common Issues Addressed by This Window Regulator

• Window glass failing to move up or down smoothly
• Intermittent or non-functional electric window operation
• Grinding or unusual noises during window movement
• Loose or unstable window glass alignment
• Broken or worn window regulator components

Installation Notes and Tips

Installation of the Dorman 740-583 window regulator requires removal of the door panel and disconnection of the existing regulator. Since mounting hardware and motor are not included, ensure these parts are available before beginning installation. The bolt-on attachment type simplifies securing the regulator to the door frame. Professional installation is recommended if unfamiliar with vehicle door components or electric window systems.

Quality Assurance and Warranty Information

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 this part number 740-583.