Audi A1 S1 8X Window Regulator Lifter Electric Door Rear Left N/S 8X4839461A

Audi A1 S1 8X Window Regulator Lifter Electric Door Rear Left N/S is an original component from the Window regulators and motors group, designed for the rear left body section. It ensures stable window guidance, proper lifting and lowering operation, and maintains the factory functionality of the doors in your Audi.

Specifications and technical data

• SKU: 8X4839461A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8X4839461A
• Substitutable numbers: 8X4839461A, 8X4 839 461 A
• Location on the vehicle: Rear, Left
• Category: Window Motors & Regulators

Purpose and function of the mechanism

The presented mechanism is dedicated for installation in the rear left door area, where it is responsible for smooth and controlled window guidance. The design has been engineered to work with the factory window control system, maintaining the correct guide geometry and proper power transmission.

A properly selected regulator minimizes the risk of jamming, uneven window movement, or excessive play, which translates into user comfort and reduced noise while driving.

Benefits of using an original mechanism

Using an original Audi solution for the rear left window allows for maintaining the structural integrity of the entire door system. As a result:

• proper cooperation with factory controllers and switches is maintained,
• the correct speed and smoothness of the window movement are preserved,
• the risk of overloading the electrical system and mounting elements is reduced,
• diagnostics in case of potential faults are easier to perform.

For the user, this means stable window operation in daily use and no need to adapt universal replacements.

Condition of the component and installation aspects

The mechanism comes from the used Audi parts group, which allows combining reasonable cost with the preservation of the original design. Before installation, it is recommended to perform a standard check of mounting points, guides, and cooperating door elements to ensure correct alignment and avoid stress in the system.

Placement in the rear left zone requires attention to the correct routing of the electrical harness and proper seating of the window in the mechanism's brackets. Careful installation translates into long-term and repeatable operation of the entire system.

Part selection by markings and vehicle compatibility

When selecting such components, it is crucial to compare the manufacturer's markings and interchangeable numbers with the vehicle's data. This helps avoid compatibility issues, differences in mounting geometry, or cable lengths. In case of doubt, it is worth using the OEM number or reference numbers recorded in the product's technical specification.

If you want to better understand how to properly select components by catalog and OEM numbers, the expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses practical procedures for identifying parts by markings.

Expanding the Audi window system

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 guides, window motor regulators, or complete window mechanisms, check the available parts in the Audi Window regulators and motors category.

For those interested in a broader look at the construction of this brand's models, including differences in technical solutions between standard and sports versions, an interesting supplement may be the article Audi RS vs other models – what is hidden under the hood and chassis?, which shows how Audi designs key vehicle systems.