Volkswagen Passat B8 Window Regulator Rear Left N/S 3G9839461B

Volkswagen Passat B8 Window Regulator Rear Left N/S is an original component from the Window regulators and motors group, designed for precise operation of the window in the rear left door. It ensures stable window guidance, proper mechanism operation, and maintains the factory functionality of the window control system in your Passat.

Specifications and technical data

• SKU: 3G9839461B
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3G9839461B
• Substitutable numbers: 3G9839461B, 3G9 839 461 B
• Location on the vehicle: Rear, Left
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented window regulator is dedicated for installation in the rear left door area, where it is responsible for raising and lowering the window in accordance with signals from the control buttons. The design, tailored to the Passat B8 platform, allows for maintaining the correct geometry of the guides, which reduces the risk of jamming, excessive play, or window misalignment.

An element from this group is particularly important in vehicles equipped with electric window controls, as it works with the control system and overload protection, affecting daily comfort and body sealing.

Benefits of using an original window regulator

Using an original solution dedicated to Volkswagen translates into:

• secure fit to the door – mounting holes and attachment points consistent with the factory design,
• proper cooperation with the factory window control system,
• appropriate window guidance in the tracks, which reduces noise and vibration,
• maintaining proper door sealing, thereby protecting the interior from moisture.

Thanks to this, the window regulator is a practical solution when replacing a worn or damaged mechanism, allowing you to restore system efficiency without the need for installation modifications.

Characteristics of the used component

The window regulator comes from an operated vehicle, which means it is a used part that retains functionality consistent with its intended use. This type of component is a good choice for drivers looking for a reasonable compromise between cost and quality, while maintaining the original design of the vehicle manufacturer.

Choosing a used element from the Window regulators and motors group allows you to reduce expenses compared to new replacements, while maintaining the technical consistency of the window system with other door components.

Installation and maintenance tips

When replacing the window regulator, it is recommended to:

• check the condition of the window guides and door seals,
• verify the correct operation of the window control after installation,
• check for any play and unusual noises during the full cycle of raising and lowering the window.

Professional installation allows you to fully utilize the potential of the part and ensure stable operation of the mechanism in the long term.

If you are planning a comprehensive repair or upgrade of the window opening zone in your Volkswagen and need other elements from the same group, such as lifting mechanisms, electric drives, or complete control modules, check the available parts in the Volkswagen Window regulators and motors category.

If you are interested in a broader context of the cost-effectiveness of using aftermarket components in key vehicle systems, check out the guide Why it is worth buying used gearboxes and engines – facts instead of myths, where you will find practical information on selecting parts by OEM numbers and a cost analysis compared to new components.