VW Volkswagen Golf Mk5 Rear Window Lifter Regulator Motor Right O/S 1K4839402C

VW Volkswagen Golf Mk5 Rear Right Window Regulator Motor is a factory part from the Window Regulators and Motors group, designed for precise operation in the rear right body window. It is responsible for the stable raising and lowering of the window, ensuring convenient operation of the electric control and correct functioning of the entire mechanism within the door.

Specifications and technical data

• SKU: 1K4839402C
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K4839402C
• Substitutable numbers: 1K4839402C, 1K4 839 402 C
• Location on the vehicle: Rear, Right
• Part type: Window Motor
• Category: Window Motors & Regulators

Purpose and Function in the Vehicle

The window regulator motor used in the fifth-generation Golf operates in the rear right part of the body, cooperating with the guide rails and linkage mechanism. Its task is to smoothly transfer power to the lifting system, so that the window moves evenly, without jamming or excessive play.

This component is particularly important in vehicles equipped with electric window controls, where repetitive, stable operation with frequent use is required. A properly selected regulator motor reduces the risk of mechanism overload, operational noise, and improper window closing.

Application in Volkswagen Golf Mk5

The VW Volkswagen Golf Mk5 Rear Right Window Regulator Motor has been designed with the specific geometry of the rear right door in this model in mind. This means it fits the factory mounting points, has the correct connector orientation, and operates in the correct direction relative to the window guides.

In practice, this translates to:

• easier installation in place of a worn or damaged motor,
• maintaining the factory window operating characteristics,
• correct cooperation with the vehicle's electrical system.

Thanks to its design consistent with solutions used by Volkswagen, this component allows for the restoration of correct rear window operation without the need for installation modifications or interference with the wiring harness.

Technical and Installation Characteristics

The motor belongs to the Window Regulators and Motors group, meaning it is designed to operate in an environment with variable mechanical and electrical loads. The design is intended for installation in the rear right part of the body, taking into account the limited space inside the door and the need to cooperate with the factory regulator mechanism.

When replacing, it is worth paying attention to:

• correct positioning of the mechanism relative to the window guides,
• secure mounting at the points provided by the manufacturer,
• precise connection of the electrical connector, without stressing the wiring harness.

This approach helps to reduce the risk of repeat failure and ensures stable operation in the long term.

Condition of the Part and Benefits of Using a Used Part

The offered motor is a used part, which allows for economical repair of the window system while maintaining compliance with factory solutions. In practice, this means the possibility of restoring the functionality of the rear right window without the need to invest in a new component, while preserving the original design used by the vehicle manufacturer.

The use of such a solution is particularly beneficial for operational repairs, where the combination of reasonable costs with the preservation of correct functionality and fit for a specific body version is key.

Volkswagen Window Regulators and Motors – Expansion and Service

If you are planning a comprehensive repair or modernization of the door and window area in your Volkswagen and need other parts from the same group, such as drives, control modules, or complete regulator mechanisms, check the available parts in the Volkswagen Window Regulators and Motors category.

Technical Support and Fault Knowledge

When diagnosing problems with electrical systems and drives in cars, knowledge of typical faults in various models is useful. For premium brands like BMW, it is worth familiarizing yourself with the analysis of drive unit failures – you can find practical information in the article Faulty BMW E90 Engines: Find Out What Can Ruin Your Budget!, which helps to better plan maintenance and avoid costly mistakes.