Audi A3 8P Rear Window Regulator Lifter Motor Right O/S 8P7839398E

Audi A3 8P Rear Window Regulator Lifter Motor Right O/S is an original component from the Window regulators and motors group, designed for the rear right window in the Audi A3 8P generation model. This factory solution ensures the proper operation of the window lifting and lowering mechanism, restoring comfort and correct functionality to the rear part of the vehicle body.

Specifications and technical data

• SKU: 8P7839398E
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P7839398E
• Substitutable numbers: 8P7959812B, 8P7 959 812 B, 8P7839398E, 8P7 839 398 E
• Location on the vehicle: Rear, Right
• Part type: Regulator & Motor Assembly
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented regulator is dedicated for installation in the rear right window area, which means a precise fit to the guides, mounts, and door geometry of the Audi A3 8P. As a component responsible for controlling the window position, it works in conjunction with the vehicle's electrical system and the control buttons on the door or the driver's panel. Thanks to a design compliant with the manufacturer's standard, the regulator ensures:

• stable window guidance throughout the entire range of motion,
• smooth lifting and lowering without jerking,
• proper pressure of the window against the seals, which reduces noise and drafts.

Benefits of using an original Audi component

Choosing an original window regulator for the Audi A3 8P means maintaining the factory operating parameters of the window system. The design prepared by the vehicle manufacturer guarantees proper fitment with the door, compatibility with factory wiring, and correct cooperation with other mechanism components. Key advantages include:

• secure mounting fit – no need for modifications to mounts or installation,
• consistency with the factory window control system,
• maintenance of the original operating characteristics of the mechanism, which affects user comfort.

Operational and installation characteristics

The regulator is a component intended for installation in the rear right part of the body, which facilitates the identification of the correct side during repair. Installation takes place in the location of the factory mechanism, using the original mounting points in the door. Thanks to this, service time is limited, and the risk of incorrect window alignment is reduced. The product comes from the Window regulators and motors group, which means it has been designed to work in an environment exposed to temperature changes, humidity, and regular mechanical loads resulting from daily vehicle operation.

Condition and practical application

The offered regulator is a used component, which in practice allows combining an attractive purchase cost with maintaining the original manufacturer's specifications. This solution is particularly beneficial for maintenance repairs when the priority is to restore the efficiency of the window system while controlling the service budget. In case of doubts regarding the selection of parts for a specific equipment version or model year of the Audi A3 8P, it is worth using the vehicle manufacturer's markings or consulting a technical advisor to ensure full installation compatibility. If you are planning a comprehensive repair or upgrade of the door and window zone in your Audi and need other components from the same group, such as lifting mechanisms, electric drives, or window guides, check the available parts in the Audi window regulators and motors category. To better plan your repair budget and make informed decisions regarding the use of second-hand parts, it is worth reading the expert guide on our blog: Why it is worth buying used gearboxes and engines – facts instead of myths.