Window Lifter Motor Audi A4 B8 A6 C7 Rear Right O/S Drive Unit 8K0959812A

The Audi A4 B8 A6 C7 Rear Right Window Motor is an original part from the Window Regulators and Motors category, designed to control the rear right window in select Audi models. This used motor ensures a factory fit, stable operation of the window lifting mechanism, and maintains full functionality of the electric window control.

Specifications and technical data

• SKU: 8K0959812A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0959812A
• Substitutable numbers: 8K0959812A, 8K0 959 812 A
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Vehicle Application and Function

The presented motor is dedicated for installation on the rear right side of the vehicle, where it is responsible for precise window movement control. As part of the electric window lifting system, it works in conjunction with the vehicle's wiring and door switches, enabling smooth opening and closing of the window without delays or jerks.

Thanks to its construction conforming to factory Audi standards, the component retains correct mounting points and electrical connectors, which facilitates installation and reduces the risk of compatibility issues. This is a practical solution for replacing a damaged rear passenger-side window drive.

Benefits of Using an Original Window Motor

Using an original window motor in an Audi A4 B8 or A6 C7 allows for maintaining the integrity of the entire window control system. The most significant advantages include:

• factory fit for the door's electrical and mechanical installation,
• stable operation of the window lifting and lowering mechanism,
• retention of comfort window control functions (if present in the specific vehicle),
• reduced risk of communication errors within the vehicle's system.

For the user, this translates to predictable window operation, absence of unwanted drive noises, and a lower risk of subsequent service interventions. Choosing such a part is particularly important in vehicles equipped with advanced door electronics.

Condition and Installation Aspects

The motor comes from a used vehicle, offering a favorable cost-to-functionality ratio. The part is designed for installation in place of the original drive, utilizing existing mounting points and the electrical harness. When replacing, it is recommended to:

• check the condition of the window lifting mechanism (guides, cables, sliders),
• verify electrical connectors for corrosion and damage,
• ensure proper routing of the harness within the door to prevent chafing.

This approach enhances the durability of the entire system and minimizes the risk of recurring faults on the rear right window.

Part Selection by Numbers and Integration with Other Audi Components

The motor belongs to the group of components responsible for electric window control, so its selection should consider compatibility with the specific vehicle's electronics. In practice, this means using manufacturer designations and interchangeable numbers to match the correct variant for a given year and equipment version. This ensures the window control system retains full functionality, and modules communicate correctly within the Audi installation.

If you are interested in a broader context of selecting original Audi components, including practical tips on identifying parts by manufacturer markings and VIN, it is worth reviewing the material describing the legendary five-cylinder engine of this brand – you will also find advice on selecting used parts there: Audi's five-cylinder engine and selecting original parts.

Related Categories and Technical Knowledge

If you are planning comprehensive service for your Audi's window lifting system and are considering replacing other components responsible for electric window control, such as additional drives or control modules, check the available parts in the Audi Window Regulators and Motors category.

When planning repairs, it is also advisable to consider the overall condition of the powertrain and the service budget – especially for premium brands. For comparison with other manufacturers and a better understanding of how unexpected failures can affect car ownership costs, a guide on problematic powertrains in a popular competitor's model will be helpful: Troublesome BMW E90 Engines and Their Impact on User Budget.