Audi A7 4G Sportback Door Window Lifter Mechanism Rear Left N/S 4G8839461A

Audi A7 4G Sportback Door Window Lifter Mechanism Rear Left N/S is an original component from the Window regulators and motors group, designed for the rear left window in the Sportback body style. Its precise construction ensures stable window guidance, smooth upward and downward movement, and proper integration with the factory Audi control system.

Specifications and technical data

• SKU: 4G8839461A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G8839461A
• Substitutable numbers: 4G8839461A, 4G8 839 461 A
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The window lifter mechanism is responsible for the controlled, uniform movement of the window in the rear left door of the Audi A7 4G Sportback generation. This component works with the factory motor and comfort control system, ensuring the window maintains correct guidance geometry, does not jam, and remains sealed against the weatherstripping.

The positioning in the rear – left side of the body means the part is dedicated to a specific mounting location, which facilitates selection and eliminates the risk of improper fitment with the door and window glass.

Construction and technical properties

The mechanism belongs to the Window regulators and motors group, meaning it is designed to operate within the system responsible for raising and lowering windows. The design provides for cooperation with factory mounting points in Audi doors, ensuring proper cable tension and stable window guidance in the tracks.

The OEM solution guarantees:

• compatibility with the factory door and window geometry,
• proper cooperation with the original control motor,
• adequate rigidity and resistance to operational loads,
• maintenance of acoustic comfort inside the vehicle.

Condition of the component and practical application

The offered mechanism is in used condition, which allows for an economical repair of the window lifting system while maintaining the manufacturer's original specifications. This is a beneficial solution in situations where the existing lifter has worn out, suffered mechanical damage, or is causing uneven window operation.

Replacing it with an original mechanism from the same assembly group allows you to restore:

• correct window operation in the rear left door,
• convenient operation from the door panel and comfort module,
• stable closing and opening without jamming.

Part selection by numbers and compatibility

The mechanism has a dedicated OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific Audi A7 4G Sportback configuration. When selecting, it is worth comparing the markings with the currently installed component to ensure that the new sub-assembly will work with the existing wiring, controller, and window.

Thanks to this solution, you can maintain the consistency of the entire window lifting system, avoiding installation problems or the need for installation modifications.

System expansion and additional information

If you are planning a comprehensive repair or upgrade of the door and window area in your Audi and need other components from the same group, such as guides, lifter motors, or additional control mechanisms, check out the available parts in the Audi Window regulators and motors category.

For larger service or upgrade projects, it is also worth paying attention to the general technical condition of the vehicle – practical tips regarding costly engine failures can be found in the article Emergency BMW E90 engines: check what can ruin your budget!, which helps in better planning your budget for repairs and vehicle maintenance.

If you are considering broader vehicle modifications using aftermarket components, advice on safe tuning and cost optimization described in the material Tuning with used parts – how to gain performance without spending a fortune may also be useful.