VW Passat B8 Saloon Door Window Lifter Regulator Rear Right O/S 3G5839462B

VW Passat B8 Saloon Door Window Lifter Regulator Rear Right O/S is an original component from the Window regulators and motors group, designed for the rear right window in the saloon body style. It is a practical solution for users who want to restore full functionality of the electric window control while maintaining factory installation standards.

Specifications and technical data

• SKU: 3G5839462B
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3G5839462B
• Substitutable numbers: 3G5839462B, 3G5 839 462 B
• Location on the vehicle: Rear, Right
• Part type: Window Regulator
• Category: Window Motors & Regulators

Purpose and function in the window system

The rear right window regulator is responsible for the smooth, controlled raising and lowering of the window in the rear passenger door. The component works with the factory electric control system, ensuring:

• stable window guidance in the tracks,
• appropriate drive force across the full range of motion,
• proper cooperation with the door control switch and the driver's panel.

By maintaining the original mounting design, the regulator integrates with the existing wiring harness and door mechanics, which facilitates servicing and reduces the risk of operational issues.

Benefits of using an original regulator

Using a factory solution in the Passat B8 allows for maintaining the consistency of the entire window system. The regulator is matched to the door geometry, window weight, and electrical system operating characteristics, which translates into:

• reliable mechanism operation without jerking or excessive play,
• proper window sealing against the weatherstrips,
• maintaining acoustic comfort inside the vehicle.

This solution is particularly beneficial for repairs following mechanical damage, mechanism seizure, or drive failure in the rear passenger-side door.

Vehicle placement and installation aspects

The component is intended for installation in the rear right door of the saloon body style. This specific placement definition facilitates accurate part selection in the workshop and minimizes the risk of ordering errors. The regulator works with the factory glass and door hardware, allowing for:

• retention of original mounting points,
• reduction of time required for disassembly and assembly,
• easier diagnostics of potential future faults.

When selecting parts, it is worth paying attention to compatibility with the body version and the vehicle's electrical equipment to ensure full functionality of the window control.

Used original component – a practical approach to repair

The used version of the window regulator represents a reasonable compromise between repair costs and maintaining factory build quality. Original components from dismantling often work better with the vehicle's electrical system than replacements with uncertain parameters. In the case of more complex assemblies – such as gearboxes or power units – a similar approach is widely discussed in industry guides; you can find more on this topic in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

Volkswagen window regulators and motors – system expansion and service

If you are planning a comprehensive repair or upgrade of the door area in your Volkswagen and need other elements from the same group, such as front window drives, driver-side window lifting mechanisms, or additional control regulators, check the available parts in the Volkswagen window regulators and motors category.