Audi A8 D3 Door Window Lifter Motor Rear Left N/S 4E0959801D

The Rear Left Window Regulator Motor for Audi A8 D3 is an original part from the Window Regulators and Motors group, designed for the rear left side of the vehicle. It ensures stable operation of the window lifting mechanism, contributing to user comfort and proper window sealing in your Audi.

Specifications and technical data

• SKU: 4E0959801D
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0959801D
• Substitutable numbers: 4E0959801D, 4E0 959 801 D
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Application and Function in Audi A8 D3

The presented window regulator motor has been specifically designed for the rear left door of the Audi A8 D3 model. It is responsible for driving the window lifting and lowering mechanism, working in conjunction with the factory electrical system and door controls. Thanks to its precise fit to the door structure, it maintains the correct window guide geometry and reduces the risk of jamming.

Benefits of Using an Original Window Regulator Motor

Using an original window regulator motor in your Audi offers tangible operational benefits:

• Secure fit to the mounting points and electrical harness in the door,
• Stable operation of the window lifting mechanism in the rear left body area,
• Maintenance of factory-set speed and smoothness of window movement,
• Reduced risk of additional electrical modifications during installation.

This makes the replacement process predictable in terms of time and scope of work, and the window system remains consistent with the rest of the vehicle's equipment.

Condition and Performance Characteristics

This part comes from the used Audi parts group, allowing you to combine the functionality of an original component with a cost-effective repair. The motor is intended for installation in the rear left part of the vehicle, so it is advisable to verify the side of installation and compatibility with your vehicle's body version before purchasing. A correctly chosen component will restore proper window operation without the need for intervention in other door elements.

Audi Window Regulators and Motors – Door Area Expansion and Repair

If you are planning a comprehensive repair or upgrade of the door area in your Audi and require other parts from the same group, such as window drives, control modules, or complete regulator mechanisms, check the available parts in the Audi Window Regulators and Motors category.

Practical Service Tips and Part Selection

Before installation, it is recommended to check the condition of the window guides, cables, and seals to ensure the new motor works with other components without excessive resistance. It is also advisable to inspect the electrical system in the door and the proper functioning of the control switches. For more extensive work on the drive system and motors in other models, a guide on common drive unit failures may be helpful – you can find it in the article Faulty BMW E90 Engines: Find Out What Can Ruin Your Budget!, which shows how to approach diagnostics and repair costs consciously.

How to Reduce Vehicle Downtime During Repairs

When replacing components such as a window regulator motor, quick access to the appropriate sub-assemblies is crucial to minimize vehicle downtime in the workshop. It is worth understanding how a wide and well-organized assortment of used parts affects the speed of repairs – this is explained in the article How a Wide Assortment in One Warehouse Reduces Vehicle Downtime at the Mechanic's, which describes the practical benefits of using a single, well-stocked supply source.