Dorman 740-148 Window Regulator - Front Left

Overview of Dorman 740-148 Window Regulator for Nissan Quest

The Dorman 740-148 window regulator is designed specifically for Nissan Quest models requiring an electric window operation. This power window regulator offers a reliable replacement option for restoring smooth window functionality without the motor included.

• Gear material constructed from durable plastic for smooth operation
• Steel housing ensures structural strength and longevity
• Metal and plastic frame materials provide balanced durability and flexibility
• Bolt-on attachment type for straightforward installation
• Compatible with electric window operation systems
• Includes one power regulator unit without motor or mounting hardware

Detailed Product Description

The Dorman 740-148 window regulator is engineered to meet the specific needs of Nissan Quest vehicles equipped with electric windows. Featuring a plastic gear and a steel housing, this regulator balances durability with smooth mechanical function. The frame combines metal and plastic components to maintain structural integrity while reducing weight. Designed as a bolt-on replacement, it simplifies the installation process by aligning with factory mounting points. Note that this part does not include the motor or mounting hardware, so these components must be sourced separately if needed.

Common Applications and Problem Resolution

This window regulator is used to replace faulty or worn-out regulators in Nissan Quest models with electric window systems. It addresses several common issues, including:

• Windows that fail to move up or down smoothly
• Intermittent or complete window operation failure
• Excessive noise or grinding during window movement
• Loose or misaligned window glass
• Broken or stripped gears within the regulator assembly

Installation Notes and Tips

Installation of the Dorman 740-148 window regulator requires removal of the door panel and disconnection of the window motor if present. Since mounting hardware and motor are not included, ensure these parts are available before beginning installation. The bolt-on design aligns with factory mounting points, but careful handling of the plastic gear and frame components is recommended to avoid damage. Professional installation is advised for those unfamiliar with power window systems.

Quality Assurance and Warranty Information

Dorman manufactures this window regulator to meet or exceed OEM standards for fit and function on Nissan Quest vehicles. While the product does not include a motor or mounting hardware, it is constructed with quality materials such as steel housing and plastic gears to ensure durability. Warranty coverage details should be confirmed at the time of purchase, as they may vary by distributor.