VW Volkswagen Polo 6R Rear Window Regulator Crank Mount Right O/S 6R0839040

The Right Rear Manual Window Regulator for VW Polo 6R is an original part from the Window Regulators and Motors group, designed for manual window operation in the rear right side of the vehicle. It ensures stable window guidance, proper movement transfer from the crank, and reliable mechanism operation in daily use.

Specifications and technical data

• SKU: 6R0839040
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 6R0839040
• Substitutable numbers: 6R0839040, 6R0 839 040
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Application and Fitment for VW Polo 6R

The presented window regulator is structurally designed for the rear right side of the Volkswagen Polo 6R generation. It is responsible for the correct guidance of the window in its tracks and for smooth raising and lowering using the crank, without the need for an electric motor.

Thanks to the factory-designed mounting geometry and the appropriate arm profile, the component works seamlessly with the original door panel, window, and crank, which simplifies installation and reduces the risk of incorrect window positioning.

Mechanism Design and Function

The manual window regulator in this model is based on a system of levers and guides that transfer the rotational motion of the crank into the linear motion of the window. Key structural features include:

• a rigid mounting plate ensuring stable seating in the door,
• guide arms that keep the window aligned and minimize play,
• a gear mechanism that works with the crank, responsible for translating manual force into window movement.

This configuration allows for precise control of the window's position, without excessive resistance and maintaining appropriate movement repeatability.

Benefits of Using an Original Volkswagen Part

Using an original window regulator for the Volkswagen Polo 6R translates into a number of practical operational benefits:

• Precise Door Fitment – factory mounting points and geometry eliminate the need for modifications.
• Stable Window Operation – reduced window vibrations and tilting during driving and frequent opening/closing.
• Compatibility with Original Crank – maintaining factory operating ergonomics and predictable resistance on the handle.

For the user, this means restoring the correct functionality of the rear right window without compromising on fitment or mechanism operation.

Part Condition and Installation Aspects

The regulator is offered as a used part, allowing for economical repair while maintaining the original manufacturer's specifications. Before installation, a standard inspection of the mechanism is recommended, checking for smooth movement and correct window positioning in the tracks after installation.

During installation, pay attention to:

• correct tightening of the mounting points to the door panel,
• proper seating of the window in the regulator's holders,
• checking the window's range of motion along the entire height of the tracks.

If you are planning a comprehensive repair or upgrade of the side window area in your Volkswagen and need other parts from the same group, such as lifting mechanisms, electric motors, or window mounts, check the available parts in the Volkswagen Window Regulators and Motors category.

Technical Support and Service Knowledge

When diagnosing door mechanism faults, such as sticking windows or improper operation of moving parts, broader knowledge of common structural issues in popular models can be helpful. A good supplement when planning repairs might be reading the article BMW E90 Faulty Engines: Find Out What Can Ruin Your Budget!, which shows how proper diagnostics and part selection affect the total cost of vehicle operation, regardless of the brand.