VW Volkswagen Passat B7 Rear Door Window Lower Seal Left N/S 3AF839471A

VW Volkswagen Passat B7 Rear Door Window Lower Seal Left N/S is a precisely fitted body component responsible for the seal and stable guidance of the window in the rear left door. The original design from the Window seals and trims group ensures proper interaction with the window lifting mechanism and limits the ingress of water and contaminants into the door interior. This is a practical solution for users who want to restore the factory performance of the window in their Passat B7.

Specifications and technical data

• SKU: 3AF839471A
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 3AF839471A
• Substitutable numbers: 3AF839471A, 3AF 839 471 A
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function in the bodywork

The lower window seal in the rear left door of the Passat B7 operates at the critical contact point between the glass and the door panel. Its task is to:

• provide stable guidance for the window during raising and lowering,
• limit the ingress of water into the door interior,
• reduce wind noise in the rear cabin area,
• protect the window edge against minor mechanical damage.

Thanks to its proper profile and fitment to the specific body model, this component helps maintain acoustic comfort and the correct operation of the entire window lifting mechanism.

Compatibility and fitment

The presented seal has been designed specifically for the rear left window of the Volkswagen Passat B7, taking into account the geometry of the door and window guides. The appropriate profiling allows for:

• trouble-free installation in factory mounting points,
• proper adhesion to the window edge and door panel,
• preservation of the original body line in the lower part of the window.

Such fitment is particularly important when replacing worn or deformed components, which can cause rattling, play, or leaks around the window.

Performance characteristics and advantages

As an original Volkswagen component, the lower window seal is made of material selected for its resistance to temperature changes, UV radiation, and moisture. In practice, this means:

• stable shape retention over a long service life,
• reduced risk of cracking and excessive hardening of the rubber,
• better interaction with existing guides and the window mechanism.

The used nature of the part allows for an economical repair while maintaining the original design specifications, which is beneficial both technically and budget-wise.

Installation and service application

The rear left lower window seal is a component worth replacing if symptoms such as increased noise at higher speeds, traces of water in the lower part of the door, or noticeable window play appear. During service work, it:

• enables the restoration of proper window guidance along its edge,
• promotes improved sealing of the window system in the rear part of the vehicle,
• helps limit further wear of the window lifting mechanism.

Due to its dedicated placement in the rear left part of the body, this component is intended for a specifically defined mounting position, which facilitates work for a mechanic or a person performing the repair on their own.

If you are planning a comprehensive repair or upgrade of the window area in your Volkswagen and need other components from the same group, such as additional seals, trim strips, or window guides, check the available parts in the Volkswagen window seals and trims category.

For drivers interested in a broader approach to maintaining visibility and safety on the road, a practical guide regarding lighting may be helpful – more information can be found in the article See more and better – a complete guide to selecting and replacing used LED and Xenon headlights.