Audi Q2 GA Window Lifter Regulator Mechanism Rear Left N/S 81A839461

The Audi Q2 GA Window Regulator Mechanism Left Rear is an original part from the Window Regulators and Motors group, designed for the rear left window in the GA generation Q2 body. This used OEM component ensures a factory fit, stable window operation, and predictable performance of the entire lifting and lowering system.

Specifications and technical data

• SKU: 81A839461
• Mark: Audi
• Condition: Used
• OEM Part Number: 81A839461
• Substitutable numbers: 81A839461, 81A 839 461
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Vehicle Application and Function

The mechanism is designed for the rear left section of the vehicle body, where it is responsible for precise guidance and positioning of the door window. As an OEM part, it integrates with the factory window control system, maintaining correct guide geometry and appropriate motion transfer, which translates to smooth window opening and closing without jamming or excessive play.

Thanks to its construction conforming to the original Audi design, installation utilizes existing mounting points, eliminating the need for bodywork modifications or electrical system adaptations. This solution is particularly beneficial for accident repairs, replacement of worn mechanisms, or restoring full door functionality after service interventions.

Benefits of Using an Original Mechanism

Using an original window regulator in the Audi Q2 GA helps maintain the consistency of the entire window opening system with other door components. Properly selected gear ratios, operating range, and window movement characteristics reduce the risk of motor overload, excessive wear on cables or guides, and minimize operating noise.

Compared to aftermarket alternatives, the OEM component offers:

• factory fit with the door structure,
• compatibility with original mounting points,
• stable integration with the factory window control system,
• consistent performance characteristics for the rear left window.

Component Condition and Service Application

The mechanism is offered as a used part, providing a sensible compromise between repair cost and maintaining the original quality of Audi's construction. Such components are frequently chosen by professional workshops for accident repairs, replacements after mechanical damage (e.g., broken cables, seized guides), and for restoring full door functionality after years of use.

Prior to installation, a standard service procedure is recommended: checking the condition of door mountings, verifying smooth window operation within the guides, and inspecting the electrical system controlling the rear left window. A correctly performed replacement restores vehicle comfort and reduces the risk of future failures in this area.

Audi Window Regulators and Motors – Expansion and Completeness

If you are planning a comprehensive repair or upgrade of the door and window area in your Audi and require other parts from the same group, such as guides, regulator motors, or complete mechanism assemblies, check the available parts in the category Audi Window Regulators and Motors.

Safe Selection of Used Components

When selecting used window system components, it is advisable to consider not only model compatibility but also part numbers and manufacturer markings to avoid installation issues or improper mechanism operation. Procedures based on OEM numbers and service documentation can be helpful in precisely verifying the compatibility of a given regulator with a specific vehicle equipment version.

For a broader context on the cost-effectiveness of using used drive components and the principles of their correct selection, it is recommended to read the expert guide: Why Buy Used Gearboxes and Engines – Facts Instead of Myths. Although it primarily concerns powertrains, the approach described therein for verifying condition, compatibility, and cost-effectiveness can be successfully applied to other used automotive components, including window system parts.