Volkswagen Golf Mk6 Door Window Lifter Regulator Rear Right O/S 5K4839730J

Volkswagen Golf Mk6 Door Window Lifter Regulator Rear Right O/S is an original component from the Window Regulators and Motors group, designed for the rear right side of the vehicle body. It ensures stable window guidance, proper power transmission, and consistent mechanism operation, which translates into comfortable window operation and proper door sealing.

Specifications and technical data

• SKU: 5K4839730J
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5K4839730J
• Substitutable numbers: 5K4839756L, 5K4 839 756 L, 5K4839730J, 5K4 839 730 J
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Application and function in the Volkswagen Golf Mk6

This window regulator has been designed specifically for the rear right door of the sixth-generation Volkswagen Golf. It is responsible for the precise guidance of the window within the tracks, even lifting and lowering, and maintaining it in the desired position without play or vibrations. Thanks to a design that complies with Volkswagen's factory standards, the mechanism works with the original control motor and the vehicle's electrical system, which facilitates installation and subsequent operation.

Construction and fitment of the mechanism

The window regulator uses a system of tracks and cables adapted to the geometry of the rear right door in the Golf Mk6. The arrangement of the mounting points corresponds to the factory mounting holes, which allows for installation without bodywork modifications or adapter brackets. The component was developed as an original Volkswagen part, ensuring compatibility with factory seals, the window glass, and door upholstery. Proper fitment minimizes the risk of rattling, unwanted play, and leaks in the window area.

Benefits of using an original window regulator

Choosing an original window regulator for the rear right side of the Golf Mk6 primarily ensures a perfect fit and predictable mechanism behavior during daily use. The mechanism has been designed for a specific body model, which translates into:

• proper cooperation with the factory window control system,
• appropriate window guidance throughout the full range of motion,
• maintaining door sealing and reducing outside noise,
• reduced risk of overloading the window lift motor. The product comes from the Window Regulators and Motors category, which means it has been designed to operate in demanding conditions – during frequent window lifting and lowering cycles and in varying temperatures.

Condition, origin, and selection by part numbers

The offered item is a used part, sourced from the dismantling of a Volkswagen vehicle. Such components are often chosen as an economical alternative to new parts while maintaining factory design and fitment. The mechanism has an assigned OEM number and interchangeable numbers, which facilitates verifying compatibility with a specific vehicle equipment version. When selecting a window regulator for the Golf Mk6, it is worth using the part number or reference numbers and comparing the location on the vehicle (rear, right side) to avoid confusion between the left and right sides or between vehicle axles.

Why consider used mechanical components

In the case of elements such as window regulators, choosing a used part allows for a significant reduction in repair costs while maintaining the original design. Mechanisms of this type are not components that wear out as quickly as, for example, brake pads, which is why their reuse in another vehicle is often a technically and economically rational solution. If you are interested in a broader context regarding the use of second-hand parts in key vehicle systems, it is worth reading the expert guide on our blog: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical information there about selection by OEM numbers and the approach to used mechanical subassemblies.

Expansion and modernization of the window system in a Volkswagen

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