Audi A3 8P Window Lifter Rear Right O/S Regulator 8P4839462B

Audi A3 8P Window Lifter Rear Right O/S Regulator is an original component from the Window regulators and motors group, designed for operating the rear right window in the Audi body. Thanks to its factory design, it ensures the correct window guidance geometry, stable operation, and predictable behavior in daily use. It is a practical solution for drivers who expect efficient window lifting and lowering mechanism operation without interfering with the door structure.

Specifications and technical data

• SKU: 8P4839462B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P4839462B
• Substitutable numbers: 8P4839462B, 8P4 839 462 B, 8P4839462A, 8P4 839 462 A
• Location on the vehicle: Rear, Right
• Category: Window Motors & Regulators

Purpose and vehicle placement

The presented mechanism is dedicated to installation in the rear right part of the body, in the area of the rear passenger door. The placement on the vehicle has been factory-defined, which allows for maintaining the correct window travel line and proper fitment to the guides and mounts in the door. As a result, the installation process is orderly, and after installation, the window moves smoothly throughout its full operating range.

Technical and functional characteristics

The window lifter mechanism is responsible for transferring drive from the control system to the window, ensuring its controlled lifting and lowering. The construction has been designed to work with the factory control system in the Audi A3 8P, which allows for maintaining full functionality of the cabin buttons and consistency with the vehicle's electronics. The applied design solutions reduce the risk of window tilting, and properly selected mounting points facilitate service and potential replacement. As an element from the Window regulators and motors group, the lifter operates in an environment exposed to temperature and humidity changes, which is why it is important to use parts of factory origin. The appropriate structural rigidity and fit to the door influence the window's operating quality, reduction of unwanted noises, and proper closing.

Brand, origin, and condition

The lifter has been designed for Audi brand vehicles, which guarantees compliance with factory assembly standards and compatibility with the door structure in the A3 8P model. The item comes from dismantling, making it a reasonable compromise between cost and maintaining the manufacturer's original specification. A used component of this type is often chosen as an alternative to replacements, especially where fitment and predictable behavior during long-term operation are important. Choosing an original mechanism from the secondary market allows for reducing the risk of assembly problems, and also minimizes the need for modifications or additional adaptations. It is a practical solution for door repairs, replacing a damaged lifter, or restoring full window functionality after a failure.

Benefits of using an original window lifter

Using a dedicated mechanism in the rear right window of the Audi A3 8P translates into a number of measurable benefits:

• maintaining factory window guidance geometry and proper fitment with seals,
• consistency with the original control system in the door and cabin,
• reducing the risk of jams, skips, and excessive play during operation,
• easier installation thanks to the mounting points provided by the manufacturer. For the user, this means stable window operation, comfort of use, and a lower probability of repeated service interventions in the short term. In the case of post-accident repairs or replacing a worn-out mechanism, choosing such a solution allows for restoring door functionality in a way close to the factory state.

Part selection by numbers and technical support

When selecting a window lifter for a specific version of the Audi A3 8P, it is crucial to verify compatibility by OEM number and interchangeable numbers, as well as to take into account the placement on the vehicle. Proper identification allows for avoiding assembly problems and ensures full compatibility with the door structure and electrical installation. If you want to better understand how to safely use parts from the secondary market and what professional component selection by numbers looks like, it is worth checking out the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, practical procedures for identification by OEM numbers. If you are planning a comprehensive repair or modernization of the door and window zone in your Audi and need other elements from the same group, such as guides, lifter motors, or complete window mechanisms, check the available parts in the Audi window regulators and motors category.