Description
Audi Q7 4M Rear Left Door Window Regulator is an original mechanism from the Window Regulators and Motors group, designed for precise operation of the rear left window. This component has been specifically designed for Audi models, ensuring correct window guidance geometry, stable operation, and compatibility with factory door hardware.
Specifications and technical data
- SKU: 4M0839461A
- Mark: Audi
- Condition: Used
- OEM Part Number: 4M0839461A
- Substitutable numbers: 4M0839461A, 4M0 839 461 A
- Location on the vehicle: Rear, Left
- Category: Window Motors & Regulators
Purpose and Function in the Vehicle
The mechanism is dedicated for installation in the rear left door, where it is responsible for the smooth raising and lowering of the window within the factory control system. The design, tailored to the Audi Q7 4M body, allows for maintaining the correct window position relative to the seals, which reduces noise, vibrations, and the risk of leaks.
As an original Audi part, the regulator works with factory guides, mountings, and the electrical harness, which simplifies installation and minimizes the need for modifications. This solution is particularly beneficial for repairs after mechanical damage, mechanism seizure, or failure of the window lifting system.
Construction and Fit for Audi Q7 4M
The regulator has been designed as a complete supporting structure for the window, with a properly selected cable and guide system. This ensures the correct window movement speed and repeatable positioning at the extreme upper and lower limits. Precise fit for Audi doors minimizes the risk of window misalignment and excessive strain on the motor.
The vehicle placement is clearly defined as rear – left side, which facilitates the selection of the correct part when comparing with a damaged mechanism. Using an original solution from the same construction group maintains consistency with other window system components in the vehicle.
Condition, Origin, and Benefits of Choosing a Used Part
The offered regulator is a used part, sourced from dismantling, which offers a favorable compromise between repair cost and maintaining original Audi quality. In practice, this means the possibility of restoring full window functionality with a lower financial outlay than purchasing a new part, while maintaining compliance with factory specifications.
Manufacturer markings and available interchange numbers facilitate the correct selection of the mechanism, allowing for precise verification of compatibility with specific equipment versions. This is particularly important for vehicles with different door variants or changes made during the model’s production.
Why Choose an Original Audi Window Regulator
Compared to aftermarket alternatives, the original mechanism from the Window Regulators and Motors group ensures:
- consistency with the factory design of the door and window guides,
- appropriate operating characteristics – speed, smoothness, and refinement of operation,
- compatibility with factory electrical controls and safety features,
- easier installation due to the retention of original mounting points.
If you are planning a comprehensive repair or upgrade of the door and window area in your Audi and need other parts from the same group, such as guides, regulator motors, or complete window mechanisms, check the available parts in the Audi Window Regulators and Motors category.
Professional Selection and Additional Technical Support
To minimize the risk of selection errors, it is advisable to use OEM markings and reference numbers assigned to a specific body and equipment version. Correct identification using this data allows for selecting a mechanism compatible with the vehicle’s configuration, without the need for installation modifications.
If you are interested in a broader context of using dismantled parts in advanced vehicle systems, including principles of selection by OEM numbers and real cost differences compared to new components, refer to the guide Why Buy Used Gearboxes and Engines – Facts Instead of Myths, which discusses practical procedures for verification and selection of parts based on manufacturer markings.
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