Volkswagen Passat CC Rear Door Window Lifter Regulator Left N/S 3C8839461K

Volkswagen Passat CC Rear Door Window Lifter Regulator Left N/S is an original component from the Window regulators and motors group, designed for precise operation of the window in the rear left door. It ensures stable window guidance, proper compatibility with factory controls, and maintains the comfort of use characteristic of Volkswagen models.

Specifications and technical data

• SKU: 3C8839461K
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3C8839461K
• Substitutable numbers: 3C8839461K, 3C8 839 461 K, 3C8839755D, 3C8 839 755 D, 3C8 839 461 M, 3C8839461M
• Location on the vehicle: Rear, Left
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the vehicle

The presented mechanism is dedicated for installation in the rear left part of the body, where it is responsible for the smooth raising and lowering of the window. As a component integrated with the guide and cable system, it works with the factory electric controls, keeping the window in the correct position and reducing vibrations while driving.

Thanks to a design consistent with the solutions used by the manufacturer, the regulator maintains the correct operating geometry, which translates into uniform window movement, no jamming, and proper closing within the door frame. This is particularly important in vehicles of the Passat CC class, where interior sealing and acoustic comfort are of great importance.

Benefits of using an original mechanism

Using an original regulator in the rear left window allows for maintaining the consistency of the entire door system. The component is designed for a specific door structure, which means it:

• ensures proper window guidance in factory mounting points,
• reduces the risk of overloading the control motor,
• maintains proper window sealing against the weatherstrips,
• facilitates installation without the need for mounting modifications.

Choosing an original solution from the Window regulators and motors group also means a lower risk of improper interaction with the electrical system and comfort modules, which is significant for long-term operation.

Installation characteristics

The mechanism is prepared for operation in the rear left part of the body, which means it is matched to the factory layout of mounting holes and door guides. This allows for maintaining:

• the correct position of the window relative to the door frame,
• the appropriate tension of cables or drive transmission elements,
• consistency with the existing window control system in the vehicle.

This type of fit reduces the time required for replacement and minimizes the risk of needing additional adjustments after installation.

Condition and practical application

The offered component is in used condition, which allows for an economical restoration of the window lifting system's efficiency while maintaining the original design. This solution is particularly beneficial in situations where the existing mechanism has worn out, suffered mechanical damage, or causes uneven window operation.

In practice, replacing the regulator restores the proper operation of the window control buttons, eliminates the problem of the window dropping, and reduces unwanted noises resulting from play in the mechanism. Thanks to this, the driver and passengers regain comfort of use and proper door sealing.

Part selection by numbers and technical support

When selecting such components, it is crucial to pay attention to manufacturer markings and reference numbers, which allow the mechanism to be matched to a specific body version and equipment level. In case of doubt, it is worth using the vehicle's VIN or service documentation to avoid installing an incorrect variant.

If you want to better understand how to safely use used components in a car, including how professional selection of parts by OEM numbers and VIN looks, the expert guide will be helpful: Why it is worth buying used gearboxes and engines – facts instead of myths. The procedures and examples contained therein also facilitate the conscious choice of other used components.

Expanding upgrades within the window and door area

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