Volkswagen Golf Mk6 Window Moulding Seal Trim Rear Right O/S 5K6839478D

Volkswagen Golf Mk6 Window Moulding Seal Trim Rear Right O/S is a precisely fitted body component responsible for the sealing and stable guidance of the rear passenger-side window. The original design from the Window seals and mouldings category ensures proper adhesion of the glass to the bodywork and limits the ingress of water, noise, and contaminants into the vehicle interior. This is a practical solution for users who want to restore the factory performance of the window mechanism in their sixth-generation Golf.

Specifications and technical data

• SKU: 5K6839478D
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 5K6839478D
• Substitutable numbers: 5K6839478D, 5K6 839 478 D
• Location on the vehicle: Rear, Right
• Part type: Outer Beltline Seal
• Category: Window Seals, Gaskets & Trims

Purpose and body fitment

The moulding has been designed specifically for the rear window on the right side of the Volkswagen Golf Mk6 model, ensuring it maintains the correct geometry and rigidity in the window guide area. Proper edge profiling allows for correct positioning relative to the door frame and the glass, which translates into stable operation of the window lifting and lowering mechanism.

Its placement in the rear part of the body on the passenger side means this component is significant for both acoustic comfort and protecting the interior of the cabin from moisture. Using an original sealing moulding helps maintain the structural integrity of the entire window frame.

Sealing function and glass protection

The key role of the moulding is to seal the contact point between the glass and the door frame, which limits the risk of air drafts and unwanted noise when driving at higher speeds. The appropriately selected hardness and flexibility of the material allow for the compensation of minor body deformations while maintaining stable glass guidance in the track.

This element also serves a protective function – it separates the edge of the glass from direct contact with the metal parts of the door, which reduces the risk of scratches and micro-damage. As a result, the glass maintains a better visual condition, and the lifting mechanism operates more smoothly with less resistance.

Characteristics of the used component

The sealing moulding comes from dismantling, which allows for combining reasonable repair costs with the preservation of the manufacturer's original specifications. The used component from the Volkswagen line retains factory fitment to the door structure, which facilitates installation and minimizes the need for additional adjustments after fitting.

For many users, choosing a second-hand part is a way to perform an economical repair while maintaining visual and technical consistency with other body elements. In the case of sealing mouldings, this is particularly important, as their profile and rigidity are strictly linked to the construction of the specific model.

Benefits of using an original sealing moulding

• Better rear window sealing – limiting the ingress of water and contaminants into the door interior and cabin.
• Stable glass guidance in the track – reduced load on the lifting and lowering mechanism.
• Consistency with the factory Volkswagen body construction – maintaining the correct geometry of the window frame.
• Economical repair solution thanks to the use of a pre-owned component.

Repair scope expansion and advice

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

When working on bodywork and moving window components, it is also worth paying attention to the condition of other system parts, such as guides or lifting mechanisms. To better plan your repair budget and make informed decisions when choosing dismantled parts, you may find the guide on purchasing used fuel system components helpful – you can find it in the article "Fuel dosing problems: what to look for when buying a used injection pump and fuel rails?", which shows how to safely select components from the secondary market.