WAI 380440 Window Regulator - Rear Left

Overview

This WAI window regulator, part number 380440, is a new electric power window regulator built for direct-fit replacement. It is engineered to meet or exceed OE manufacturing and performance specifications for a straightforward repair on compatible Volkswagen door applications.

Fits 2009-2018 Volkswagen Tiguan, rear left. Fits 2017-2018 Volkswagen Tiguan Limited, rear left. This part cross-references 5N0839461A for the same application.

Key Features

• New electric window regulator for power window operation
• Plastic gear and plastic roller construction
• Attachment type uses screws for installation
• Meets or exceeds OEM specifications
• Installation instructions included

Detailed Description

The WAI 380440 window regulator is a direct-fit replacement for the rear left door on select Volkswagen Tiguan and Tiguan Limited models. As a new power window regulator, it is built with a plastic gear and plastic roller design and uses screw attachment points for a precise installation. WAI states that this part is precision engineered with high-grade materials to deliver consistent fit, performance, and service life. The 380440 is a practical choice when the original regulator no longer moves the glass smoothly or stops working altogether.

Common Repair Issues

• Window glass will not raise or lower properly
• Slow, uneven, or noisy window movement
• Broken regulator gear or roller components
• Loss of electric window function in the door assembly

Installation Notes

Confirm rear left fitment before installation and verify the vehicle uses an electric window regulator. This part does not include a motor or mounting hardware. Installation instructions are included, and the screw-mounted design supports a direct replacement process.

Quality Assurance

WAI backs this window regulator with a limited lifetime warranty. Part number 380440 is manufactured to meet or exceed OE specifications for fit and performance.