Volkswagen Golf Mk8 Window Aperture Seal Outer Rear Left N/S 5H4839475B

Visual condition of the part

The product shows signs of use visible in the photos.

Volkswagen Golf Mk8 Window Aperture Seal Outer Rear Left N/S is a precisely fitted body component, designed specifically for the rear left door window of this model. It is responsible for guiding the window securely and protecting the door edge from moisture, dirt, and noise, which translates into stable window mechanism operation and acoustic comfort inside the vehicle. Thanks to its factory geometry, the seal ensures proper adhesion to the glass and door panel, without the need for additional modifications.

Specifications and technical data

• SKU: 5H4839475B
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5H4839475B
• Substitutable numbers: 5H4839475B, 5H4 839 475 B
• Location on the vehicle: Rear, Left
• Part type: Outer Beltline Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function in the bodywork

The presented seal is a component from the Window seals and trims group, mounted on the outer edge of the rear left door window. Its task is to:

• limit the ingress of water and contaminants into the door interior,
• stabilize the window during raising and lowering,
• reduce wind noise at higher speeds,
• protect the paint and metal edges from abrasion.

Thanks to a properly profiled working edge, the seal works with the window and door frame to maintain tightness and the correct body line characteristic of Volkswagen.

Compatibility and fitment for Volkswagen Golf Mk8

The seal has been designed for a specific location on the vehicle – the rear door on the left side. This means:

• maintaining the factory shape and length matched to the rear window,
• proper adhesion to the outer part of the door panel,
• no need for cutting or modifying the component during installation.

Such fitment facilitates service work and allows for the restoration of original sealing parameters and aesthetics in the rear window area on the driver's side.

Characteristics of the used component

The offered seal is a used component, which in practice means it comes from vehicle dismantling and may show signs of wear typical for this group of parts. At the same time, it retains its functionality in terms of window guidance and door edge protection, making it a reasonable choice for accident repairs, replacement after mechanical damage, or when eliminating leaks.

For many Volkswagen vehicle users, such a solution is cost-effective while maintaining original geometry and compatibility with the door construction in the Golf Mk8.

Installation and service application

The rear left door window seal is mounted on the outer part of the door panel, along the lower edge of the window. In service practice, it is most often replaced when:

• leaks occur and water enters the door interior,
• the window operates with noticeable resistance or noise,
• the edge of the seal is mechanically damaged or deformed.

Replacing this component allows for the restoration of the correct operation of the window lifting mechanism and reduces the risk of corrosion inside the door resulting from prolonged moisture.

Why choose an original Volkswagen seal

In the case of components such as outer window seals, the key factors are: precise fit, dimensional stability, and compliance with the body line. The original Volkswagen component ensures:

• visual consistency with other trims and seals in the vehicle,
• proper adhesion to the glass and metal without tension,
• maintenance of factory assembly tolerances.

This is particularly important for vehicle repairs where both aesthetics and maintaining the proper acoustic parameters of the cabin are important.

If you are planning a comprehensive repair or upgrade of the door glazing area in your Volkswagen and need other elements from the same group, such as window trims, additional guide seals, or outer finishing strips, check the available parts in the Volkswagen window seals and trims category.

If you are considering whether new components or proven OEM used parts are a better choice in your case, it is worth reading the practical comparison of costs and durability in the article New or used? A comparison of costs and quality of car parts.