Volkswagen Golf Mk6 Door Window Lifter Regulator Rear Left N/S 5K4839729J

Volkswagen Golf Mk6 Door Window Lifter Regulator Rear Left N/S is an original component from the Window Regulators and Motors group, designed for the rear left side of the vehicle body. It ensures stable window guidance, proper closing, and consistent mechanism operation, which translates into user comfort and proper interior sealing of the vehicle.

Specifications and technical data

• SKU: 5K4839729J
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5K4839729J
• Substitutable numbers: 5K4839729J, 5K4 839 729 J, 5K4 839 461, 5K4839461
• Location on the vehicle: Rear, Left
• Part type: Window Regulator
• Category: Window Motors & Regulators

Application and function in the Volkswagen Golf Mk6

The presented window regulator has been designed specifically for the rear left part of the sixth-generation Golf body. It is responsible for the precise guidance of the window in the tracks, uniform raising and lowering, and stable retention in a set position, which is essential for both driving comfort and protection against noise and moisture. Thanks to the factory design tailored to the specific body model, installation is straightforward, without the need for bodywork modifications or mounting adaptations. The mechanism works with the factory window control system, maintaining the original logic of the door buttons.

Benefits of using an original window regulator

The original window regulator for the Golf Mk6 ensures proper fitment with the door, guides, and other mechanism components. This reduces the risk of improper closing, jamming, or excessive play, which often occur with non-original parts. The construction is adapted to the workload in the rear doors, which promotes operational stability over a long period of use. Precise fitment to the specific side of the vehicle (rear left) facilitates the identification of the correct component during repair, while simultaneously reducing the risk of error during selection. This is particularly important in workshop work, where installation time and the certainty that the mechanism will work with the existing electrical installation and door fittings are crucial.

Condition, origin, and economic aspect

The item comes from dismantling and is offered as used, which allows for a significant reduction in repair costs compared to purchasing a new component while maintaining the manufacturer's original specifications. For many Golf Mk6 users, this is a reasonable compromise between quality and budget, especially during comprehensive work within the door area. If you are considering a wider replacement of components in your car and want to better understand when it is worth reaching for second-hand parts, the expert guide on drivetrain components will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths. Although it mainly concerns engines and gearboxes, it well illustrates the general principles of safe selection of used parts. Additionally, if you want to know the arguments for choosing original components from the secondary market instead of replacements, it is worth reading the material: 5 reasons why a used OEM part is a better choice than a replacement. These are practical tips that help in making informed service decisions.

Volkswagen window regulators and motors – expansion and modernization

If you are planning a comprehensive repair or modernization of the door zone in your Volkswagen and need other elements from the same group, such as window lifting mechanisms, electric drives, or guides, check the available parts in the Volkswagen Window Regulators and Motors category.

Summary

Volkswagen Golf Mk6 Door Window Lifter Regulator Rear Left N/S is a practical solution for users who want to restore the proper operation of the rear window while maintaining the original door construction. Proper fitment to the specific side of the vehicle, factory mounting geometry, and compatibility with the standard electrical installation make it a functional choice for both workshops and individual users looking for a technically correct repair.