Audi A8 D4 Rear Window Regulator Without Motor Mechanism Right O/S 4H0839462C

Audi A8 D4 Rear Window Regulator Without Motor Right is an original part from the Window Regulators and Motors category, designed for the right rear window in Audi vehicles. It enables precise window guidance and stable operation of the lifting system, serving as a solid base for completion with the appropriate motor.

Specifications and technical data

• SKU: 4H0839462C
• Mark: Audi
• Condition: Used
• OEM Part Number: 4H0839462C
• Substitutable numbers: 4H0839462C, 4H0 839 462 C
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Vehicle Application and Function

The presented window regulator is dedicated to the rear right window of the Audi A8 D4 generation. As a component responsible for guiding and lifting the window, it works in conjunction with a separately mounted motor, ensuring smooth window movement within the guides and proper sealing against the weatherstrips.

The absence of an integrated drive means this part is intended for service applications where the motor remains in the vehicle or is selected separately. This allows for flexible configuration adjustments based on the current condition of other system components.

Construction and Technical Features

The rear window regulator in the Audi A8 D4 functions as a mechanical component of the lifting system, transferring torque from the motor to the window via a system of guides and mountings. The construction has been designed by the vehicle manufacturer, which translates to:

• correct fitment for the rear right door of the body,
• stable window guidance throughout its full range of motion,
• compatibility with the factory window lifting motor,
• preservation of original geometry and mounting points.

Its original Audi origin helps maintain the system's factory operating parameters, including appropriate lifting speed and even pressure of the window against the door frame.

Condition, Fitment, and Service Application

This part is sourced from a dismantled vehicle, allowing for economical repair while maintaining the manufacturer's original specifications. The regulator is particularly useful in situations where the mechanical guides, cables, or mountings have been damaged, but the motor remains functional.

To ensure correct fitment, it is recommended to verify compatibility using the OEM part number or interchangeable numbers and to compare the mounting location on the vehicle with the dismantled part. This approach minimizes the risk of incorrect installation and reduces repair time.

Benefits of Using an Original Regulator

Using the original Audi A8 D4 rear window regulator ensures the consistency of the entire window lifting system with the manufacturer's factory solutions. Key benefits include:

• secure door fitment – no need for modifications to mountings or guides,
• compatibility with the factory motor – maintaining the operating parameters specified by the manufacturer,
• the ability to replace only the damaged mechanical component without interfering with the electrical system,
• maintaining the premium level of window operation comfort expected for this segment.

If you are also interested in other parts responsible for controlling and driving side windows of this brand during window system repairs in Audi vehicles, check out the available parts in the Audi Window Regulators and Motors category.

Part Selection and Expert Knowledge

When selecting components such as window regulators, motors, or other body system components, it is advisable to use procedures based on OEM numbers and vehicle data. This helps avoid compatibility issues and reduces the risk of having to re-dismantle doors.

For users who wish to better understand the specifics of the used parts market and the process of selecting components by number, an expert guide will be helpful: Why Buying Used Gearboxes and Engines is Worth It – Facts Instead of Myths, which discusses, among other things, practical principles of identifying parts by OEM numbers and the real economic benefits of using dismantled components.