Audi A6 C8 Window Lifter Motor Door Front Left N/S Regulator Drive 4K0959801

Audi A6 C8 Window Lifter Motor Door Front Left N/S Regulator Drive is an original component from the Window regulators and motors group, designed for precise operation in the front left door. It ensures a stable drive for the window lifting mechanism, which translates into ease of use and proper functioning of the door's electrical system in your Audi.

Specifications and technical data

• SKU: 4K0959801
• Mark: Audi
• Condition: Used
• OEM Part Number: 4K0959801
• Substitutable numbers: 4K0959801, 4K0 959 801
• Location on the vehicle: Front, Left
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented motor is the component responsible for driving the window lifter in the front left door, working in conjunction with the guide mechanism and the vehicle's electrical installation. Its task is to smoothly transfer torque to the lifting system so that the window moves evenly, without jerking, and at the appropriate speed.

Its location in the driver's door area makes this component essential for daily vehicle use – this is the window operated most frequently, both during city driving and on the road.

Construction and technical characteristics

The window lifter motor belongs to the Window regulators and motors group, meaning it is designed to work with the factory window control system in Audi vehicles. The design provides for installation in the front left door, with appropriate positioning relative to the guides and the door frame.

Key features of this type of component include:

• dedicated fitment for the driver's side door,
• designed for the factory Audi electrical installation,
• stable operation within typical load ranges for the window mechanism,
• compatibility with the original window lifter intended for the specific model.

Thanks to this, the motor can be integrated into the existing system without the need for modifying the wiring harness or guide mechanism, which facilitates service and reduces the risk of installation errors.

Service application and benefits of replacement

Replacing the window lifter motor is recommended in situations where symptoms such as slowed window operation, stopping halfway, lack of response to control buttons, or noticeable strain on the mechanism occur. Using an original motor intended for the front left door allows for restoring the proper functionality of the system without compromising on fitment.

The most important advantages of installing this component include:

• restoration of the factory electric window control function on the driver's side,
• maintaining compatibility with the comfort system and door panel controls,
• reducing the risk of recurring faults resulting from part mismatch,
• the ability to use existing mounting points and factory connectors.

Part selection and vehicle compatibility

To correctly select the window lifter motor for a specific version of the Audi A6 C8, it is worth verifying the markings in the technical specification and comparing the placement on the vehicle. The product is intended for installation in the front left door, which is crucial when planning a repair or replacing a component after a collision or operational failure.

In the specification description, you will find information such as Brand, Condition, Placement on vehicle, or the availability of interchangeable numbers, which facilitates matching the component to the specific car configuration and minimizes the risk of purchasing an incorrect part.

Technical support and additional materials

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

When planning broader service work on your car, it is also worth expanding your knowledge about typical operational problems in modern vehicles. A good starting point may be an article describing critical engine units in a popular model from the Bavarian brand – you can find it here: Faulty BMW E90 engines: check what can ruin your budget!.