Audi A6 C6 Door Window Regulator Lifter Motor Unit Front Left N/S 4F0959801B

Audi A6 C6 Door Window Regulator Lifter Motor Unit Front Left N/S is a component from the Window regulators and motors group, designed for the precise operation of the driver's side window lifting and lowering mechanism. Thanks to its factory design tailored to the Audi A6 C6 platform, it ensures stable system operation and proper integration with the vehicle's electrical installation. This is a practical solution for users who want to restore full functionality of the driver's side window control without costly modifications.

Specifications and technical data

• SKU: 4F0959801B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0959801B
• Substitutable numbers: 4F0959801B, 4F0 959 801 B
• Location on the vehicle: Front, Left
• Part type: Window Motor
• Category: Window Motors & Regulators

Purpose and vehicle placement

The motor is designed for installation in the front left door, i.e., the driver's side. It is responsible for driving the window lifting mechanism, working in conjunction with the guides and the control panel buttons. Its placement in the door requires maintaining the correct mounting orientation to ensure the proper direction of operation and the full range of window movement.

The component belongs to the Window regulators and motors group, which means it is part of the system responsible for the comfortable and safe operation of electric windows. Proper matching to the specific Audi model minimizes the risk of compatibility issues with the wiring harness, mounts, and controls.

Technical and functional characteristics

The Audi A6 C6 window motor operates within the door's electrical system, ensuring smooth window lifting and lowering using the buttons on the driver's panel. The design provided by the vehicle manufacturer allows for:

• stable torque adapted to the weight of the window and the resistance of the guides,
• compatibility with factory window system safety features,
• proper operation within typical temperature ranges and operational loads.

Thanks to the preservation of the original mounting geometry and electrical connectors, installation is straightforward, with no need for system adaptation. This is particularly important for vehicles equipped with advanced comfort systems, where proper communication of components in the door affects the operation of the entire module.

Benefits of using an original window motor

Using a dedicated window motor in the Audi A6 C6 allows for maintaining the structural integrity of the door and predictable window system behavior in daily use. Key advantages include:

• factory fit for the driver's side door,
• preservation of the original window operating characteristics,
• no need for modifications to the electrical wiring or mounts,
• consistency with other comfort system components in the Audi.

The product is marked as used, which in practice means real cost savings while maintaining a design consistent with the factory solution. It is a sensible choice for drivers who want to restore the efficiency of the window system without investing in expensive replacements of uncertain origin.

Selection by part numbers and vehicle compatibility

When selecting a window motor for the Audi A6 C6, it is crucial to compare the OEM part number and interchangeable numbers with the vehicle data or service documentation. Verification against these markings allows for confirming the full compatibility of the component with the specific equipment version and model year. In case of doubt, it is worth using the VIN or consulting with a technical department to avoid installing an incorrect variant.

If you are interested in the broader context of using used parts in cars, procedures for selection by VIN and OEM, and comparing costs against new parts, the following expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths. The principles of selection and verification contained therein can also be applied in practice to other components, such as window system elements.

Expansion and service of the Audi window system

Replacing the window motor is a good time to assess the condition of the entire system in the door – the guides, seals, and other elements responsible for smooth window movement. A properly functioning drive reduces the mechanical load on other components, which translates into a longer service life for the entire system. In the case of Audi, it is particularly important to maintain the consistency of elements within one functional group to avoid interference in the operation of comfort modules.

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