VW Golf Mk5 Rear Door Window Regulator Crank Left Right N/O/S 1K0839581A

Visual condition of the part

The product shows signs of use visible in the photos.

VW Golf Mk5 Rear Door Window Regulator Crank Left Right is an original component from the Window Regulators & Motors group, designed for controlling the window in the rear door. The mechanical design ensures precise window guidance, and the perfect fit for this specific Volkswagen model facilitates easy installation and subsequent operation.

Specifications and technical data

• SKU: 1K0839581A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K0839581A
• Substitutable numbers: 1K0839581A, 1K0 839 581 A
• Location on the vehicle: Rear, Right, Left
• Category: Window Motors & Regulators

Application and compatibility

The presented crank is designed for the rear body section of the VW Golf Mk5 and can be used on both the left and right sides. The placement on the vehicle covers the rear, which allows for the use of the same type of component in both rear doors, in accordance with the requirements of the specific vehicle configuration.

Thanks to its factory origin from the Volkswagen brand, the correct mounting points and mechanism geometry are maintained, which translates into proper window guidance in the tracks and stable operation over a long period of use.

Construction and function of the window regulator crank

The window regulator crank is responsible for transferring movement from the control mechanism to the window in the rear door. The design is optimized for:

• stable window guidance throughout the entire range of motion,
• even load distribution on mounting elements,
• consistency with the factory door system of the VW Golf Mk5.

A properly selected mechanical ratio allows for smooth opening and closing of the window, without excessive resistance or jerking, which reduces wear on other system components.

Condition, origin, and benefits of use

The component comes from the original Volkswagen production line and is offered as a used part, which allows for combining reasonable cost with the preservation of factory fitment. In practice, this means:

• maintaining the original mounting geometry in the rear doors,
• compatibility with factory mounts and other window mechanism components,
• the ability to replace a damaged element without interfering with the door structure.

Using an original mechanism from the Window Regulators & Motors group reduces the risk of problems with window closing, play, or incorrect window alignment relative to the seals.

Practical installation and operational tips

When replacing the crank in the rear door of a VW Golf Mk5, it is worth paying attention to the correct positioning of the window in the tracks and proper tightening of the mounting points. It is recommended to:

• check the condition of the tracks and seals before installation,
• check the smoothness of the window movement after reassembling the door panel,
• compare the newly installed component with the one being removed to ensure structural compatibility.

This approach minimizes the risk of having to remove the door upholstery again and allows for the quick restoration of full rear window functionality.

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

Additional information and operational advice

When working with used body and interior equipment elements, it is worth knowing the typical weak points of individual models and ways to reduce service costs. In the context of optimizing repair and upgrade budgets, a guide on using used components in tuning and modifications may be helpful – you can find it in the article Tuning with used parts – how to gain performance without spending a fortune.

For drivers interested in a broader perspective on the operation of premium segment cars and the potential repair costs of power units, material describing the critical engines of one of the popular models will also be useful – you can find details in the article Faulty BMW E90 engines: check what can ruin your budget!.