Audi A3 8V Window Lifter Door Rear Left N/S Regulator Motor Unit 8V7839461

Audi A3 8V Window Lifter Door Rear Left N/S Regulator Motor Unit is an original component from the Window regulators and motors group, designed for the rear body section of the Audi A3 8V generation model. It enables stable, smooth operation of the window lifting and lowering mechanism, ensuring comfortable window control and proper integration with the vehicle's electrical system. Thanks to its factory design, this part is perfectly matched to the door geometry and factory mounting points.

Specifications and technical data

• SKU: 8V7839461
• Mark: Audi
• Condition: Used
• OEM Part Number: 8V7839461
• Substitutable numbers: 8V7839461, 8V7 839 461, 8V7839397B, 8V7 839 397 B
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and vehicle placement

The presented window lifter is intended for installation in the rear part of the body, on the left side of the vehicle, in the passenger door area. It is responsible for transferring drive from the electric motor to the window guides, which translates into repeatable, predictable vertical window movement. The design has been developed to maintain the proper rigidity of the entire system and minimize operating play.

Construction and technical characteristics

The window lifter belongs to the group of components known as Window regulators and motors, which means it works with the vehicle's electric window control system. The applied system of guides and cables is optimized for operation in the Audi A3 8V door, thanks to which the mechanism maintains the correct window movement geometry and reduces the risk of misalignment.

The design solution provides for cooperation with factory door equipment, so that installation proceeds using existing mounting points. A properly selected gear ratio of the mechanism allows for smooth window movement while maintaining a reasonable load on the vehicle's electrical system.

Benefits of using an original window lifter

Using an original window lifter in an Audi A3 8V allows for maintaining the structural integrity of the door and predictable operation of the window control system. Key advantages include:

• Factory fitment to the door structure, without the need for mounting modifications.
• Proper cooperation with the vehicle's electrical installation and window controls.
• Reduction of the risk of excessive play and noise during window operation.
• Ability to restore full functionality of the rear window after the failure of the previous mechanism.

The used condition means that the item comes from disassembly, which in practice allows combining a favorable purchase cost with maintaining the manufacturer's original specifications.

Selection and compatibility

To correctly select a window lifter for a specific Audi A3 8V, it is worth verifying the part's compatibility with the vehicle's documentation or the numbering used by the manufacturer. The product has assigned interchangeable numbers, which facilitates matching for different equipment versions or model years within the same generation. In case of doubt, it is recommended to compare the design with the mechanism currently installed in the door.

Audi window regulators and motors – expansion and service

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other elements from the same group, such as window lifting mechanisms, electric drives, or guides, check the available parts in the Audi window regulators and motors category.

Technical knowledge and fault prevention

A conscious approach to car maintenance includes not only the window system but also critical powertrain components. For comparison, in popular models of other brands, such as the BMW 3 Series, certain engine units are particularly sensitive to maintenance neglect. If you are interested in what typical operational problems look like in such designs and how to avoid them, read the article Emergency BMW E90 engines: check what can ruin your budget!.