Audi A3 S3 8Y Rear Right O/S Door Window Lifter Regulator 8Y0839462

Audi A3 S3 8Y Rear Right O/S Door Window Lifter Regulator is an original component from the Window regulators and motors group, designed for the precise operation of the window lifting mechanism in your Audi. This used OEM component ensures factory-fit, stable window operation, and compatibility with the vehicle's electrical system, which facilitates installation and subsequent use.

Specifications and technical data

• SKU: 8Y0839462
• Mark: Audi
• Condition: Used
• OEM Part Number: 8Y0839462
• Substitutable numbers: 8Y0839462, 8Y0 839 462
• Location on the vehicle: Front, Right
• Category: Window Motors & Regulators

Purpose and function of the window regulator

The presented window lifter/regulator is responsible for the controlled movement of the window in the door, working in conjunction with the factory switch and the Audi electrical system. The component has been designed to ensure smooth window guidance, correct positioning in the rails, and stable operation under typical operating conditions.

Thanks to a design consistent with the solutions used by the vehicle manufacturer, the correct geometry of the mounts and compatibility with factory mounting points are maintained. This reduces the risk of improper door fitment, excessive play, or unwanted noises during the mechanism's operation.

Construction and vehicle fitment

The window regulator has been prepared for installation in a specific body zone, maintaining the correct direction of operation and position relative to the door structure. The placement on the vehicle, defined as rear – right side, allows for the unambiguous identification of the correct mounting position and avoids errors when selecting parts.

The original origin from the Audi brand promotes consistency with other elements of the window system – rails, seals, and controls. In practice, this means predictable window behavior during opening and closing and reduces the need for additional modifications or adaptations.

Condition, verification, and benefits of choosing a used component

The item is offered as a used part, which allows for lower repair costs while maintaining the original design and fit. Such components are frequently chosen for maintenance repairs when the priority is to efficiently restore window functionality within a reasonable budget.

Before installation, it is recommended to perform a standard check of the electrical system and the mechanical window guidance so that the newly installed regulator operates under optimal conditions. A properly selected and correctly mounted regulator reduces motor load, decreases the risk of jamming, and extends the service life of the entire system.

Installation and operational tips

When replacing the regulator, it is worth paying attention to:

• correct positioning of the window in the rails before final tightening of the mounts,
• checking the condition of the door seals, which affect window movement resistance,
• verifying the mechanism's operation throughout its full range before installing the door upholstery.

This approach helps avoid the need for re-disassembly and ensures stable, repeatable operation of the window lifting system in daily use.

Audi window regulators and motors – expansion and selection

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

More on the cost-effectiveness of used parts

When choosing a used window regulator, it is worth considering the relationship between cost, quality, and fitment for a specific vehicle model. A detailed discussion of the differences between original, replacement, and used parts, along with practical examples of selection by identification numbers, can be found in the article: Original, replacement, or used – which car parts are the most cost-effective?.

Additionally, if you are interested in the broader context of using pre-owned components in drivetrain systems and want to learn about selection procedures based on identification numbers, the following expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths.