Audi Q7 4L Window Lifter Rear Door Regulator Mechanism Right O/S 4L0839462D

Audi Q7 4L Window Lifter Rear Door Regulator Mechanism Right O/S is a precision component from the Window regulators and motors group, designed for controlling the rear right window in the Audi body. It enables stable, smooth operation of the window lifting and lowering mechanism, ensuring comfortable operation and proper integration with the vehicle's electrical system.

Specifications and technical data

• SKU: 4L0839462D
• Mark: Audi
• Condition: Used
• OEM Part Number: 4L0839462D
• Substitutable numbers: 4L0839462D, 4L0 839 462 D
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented component is dedicated for installation in the rear, right part of the Audi Q7 4L generation body. It is responsible for transferring drive from the control motor to the window guide mechanism, which translates into repeatable, controlled window movement up and down. Thanks to its precise fit to the door structure, the component works with factory mounting points and the original electrical harness.

A regulator configured in this way allows for maintaining the correct window operating geometry, reduces the risk of jamming, and supports maintaining a seal at the window-to-gasket interface, which is important for both cabin acoustics and protecting the interior from moisture.

Benefits of using an original regulator

Using a dedicated window regulator in the Audi Q7 4L brings a number of practical advantages:

• maintaining proper cooperation with the factory window control and central comfort module,
• proper fit to the door structure on the rear right side,
• stable mechanism operation throughout the full range of window movement,
• reduced risk of excessive play or incorrect window guidance.

As a result, replacing a damaged component with the correct regulator allows for restoring window functionality without the need for installation modifications or interference with the door structure.

Installation characteristics

The regulator is prepared for operation in a specific area of the body – rear, right side. Such clear designation facilitates part selection during repairs and limits the risk of errors during installation. The design intended for cooperation with the factory window motor and original guides allows for the use of standard service procedures.

Before installation, it is recommended to verify the component's compatibility with the vehicle based on technical data and to compare it with the removed regulator. A correctly selected component enables efficient repair and restoration of full functionality to the rear right window.

Condition and service application

The offered component is in used condition, which makes it a reasonable solution for service repairs when the priority is cost optimization while maintaining compliance with the factory Audi design. This type of part will work well both when replacing a damaged mechanism after a failure and during comprehensive work within the door area, including, for example, seals or upholstery.

Audi window regulators and motors – expansion and repairs

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

Technical support and service knowledge

When selecting elements for the window system, it is worth considering the general condition of the vehicle, including the state of the electrical system and the power unit, as irregularities in power supply can affect the operation of mechanisms in the doors. For users interested in a broader context of premium car operation, including potential repair costs, an article describing critical power units in a popular model of the Bavarian brand may be helpful – you can find it here: Emergency BMW E90 engines: check what can ruin your budget!.