Sliding Door Seal Mercedes Vito W639 Rubber Gasket Right Door O/S Black

Sliding Door Seal Mercedes Vito W639 Rubber Gasket Right Door O/S Black is a precisely fitted body component, designed to perform in demanding operating conditions. It is responsible for the tight closure of the right-hand side sliding door, improving acoustic comfort, water protection, and driving stability. Thanks to the use of flexible, black rubber, it provides a functional service solution for users of Vito W639 models.

Specifications and technical data

• SKU: A6397330798
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6397330798
• Substitutable numbers: A6397330798, A 639 733 07 98
• Location on the vehicle: Right
• Color: Black
• Category: Door Seals

Purpose and function of the sliding door seal

The presented seal belongs to the Door seals category and is dedicated to the right side of the sliding door in the Mercedes Vito W639 generation vehicle. This component is responsible for:

• limiting the ingress of water and contaminants into the vehicle interior,
• reducing wind noise while driving,
• stabilizing the position of the door panel when closed,
• increasing the comfort of using the sliding door in daily operation.

A properly selected rubber profile and the correct material hardness help maintain a seal during repeated opening and closing of the door, which is typical for commercial and delivery vehicles.

Construction, material, and color

The seal is made of black rubber with a flexible structure, adapted to work in variable weather conditions. This material:

• ensures a resilient fit to the door edge and bodywork,
• facilitates installation on factory mounts,
• allows for the compensation of minor deformations in sheet metal and guides.

The black color is consistent with the factory body finish, allowing the seal to discreetly integrate with the vehicle's side profile, maintaining the original stylistic character of the Mercedes Vito W639.

Vehicle placement and installation aspects

The component is intended for installation on the right side, along the perimeter of the sliding door. A correctly selected seal:

• ensures proper adhesion of the door panel to the body,
• minimizes the risk of rattling and play when driving over uneven surfaces,
• contributes to an even distribution of pressure when closing the door.

Due to its fitment for a specific model and side of the vehicle, installation in place of the factory seal is recommended, without interfering with the body structure. This solution helps maintain technical consistency with the original design of the vehicle.

Product characteristics and service application

Sliding Door Seal Mercedes Vito W639 Rubber Gasket Right Door O/S Black is a Mercedes brand part, which makes it easier to maintain a uniform quality standard throughout the vehicle. The used product will work particularly well in situations where:

• the original seal is mechanically damaged or deformed,
• there are leaks resulting in noise or water ingress,
• replacement of the component is necessary after body and paint repairs.

A well-chosen seal allows for the restoration of proper sliding door operating conditions without the need for costly structural modifications.

Expanding the scope of service work

If you are planning a comprehensive repair or upgrade of the sliding door area in your Mercedes and need other components from the same group, such as additional sections of sealing rubber, sealing profiles, or elements adhering to the door edges, check the available parts in the Mercedes door seals category.

When planning broader service work, it is also worth expanding your knowledge on the cost-effectiveness of using used parts in a vehicle – the article Used gearbox – when is it worth it and what you need to remember, which discusses the practical aspects of selecting parts from the secondary market, may be helpful.