Audi A8 S8 D3 Window Frame Seal Gasket Rubber Front Right O/S 4E0837440L

Audi A8 S8 D3 Window Frame Seal Gasket Rubber Front Right O/S is an original component from the Window seals and trims group, designed for installation on the right side of the front window in premium Audi models. Precise fitment to the bodywork ensures a tight seal for the window, reduces wind noise, and provides stable operation for the entire window and trim assembly.

Specifications and technical data

• SKU: 4E0837440L
• Mark: Audi
• Condition: Used
• OEM Part Number: 4E0837440L
• Substitutable numbers: 4E0837440L, 4E0 837 440 L
• Location on the vehicle: Front, Right
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function of the seal

The presented seal has been designed specifically for the front window area on the right side of the Audi A8 / S8 D3 generation. It is responsible for:

• sealing the contact point between the window and the body frame in the front passenger area,
• limiting the ingress of water and moisture into the interior and the cowl area,
• reducing wind noise at higher speeds,
• providing stable guidance for the window edge relative to the bodywork.

Thanks to its proper profile and flexibility, the rubber works in harmony with the bodywork, compensating for minimal deformations during driving and ensuring long-lasting sealing.

Construction and fitment for Audi A8 / S8 D3

The seal features a shape and cross-section adapted to the window frame design of the Audi A8 / S8 D3, which translates into a secure fit in the factory mounting points. The original profile geometry facilitates installation and minimizes the risk of stress on the glass edge.

The component is intended for installation in a specific location on the vehicle – front, right side – which eliminates issues associated with universal replacements and allows for maintaining factory-standard alignment with other trims and body moldings.

Benefits of using an original seal

Using a dedicated seal in the Audi A8 / S8 D3 helps maintain acoustic comfort and cabin sealing at a level close to factory specifications. Key advantages include:

• stable window guidance in the frame, which reduces the risk of rattling and squeaking during body movement,
• better protection against water and dirt in the cowl area,
• maintaining an aesthetic contact line between the window and the body, without waving or protruding edges,
• compatibility with factory trims and moldings in the front window area.

For Audi A8 / S8 D3 owners who prioritize driving comfort and bodywork refinement, the proper selection of a seal in this area is of significant operational importance.

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 normal wear. This type of part is a good solution in situations where the existing seal has been mechanically damaged, deformed, or has lost its elasticity, and the priority is to maintain the original design and fitment to the bodywork.

During installation, it is recommended to thoroughly clean the contact surface on the body and check the seating along the entire length to fully utilize the sealing and acoustic properties of the component.

Expanding upgrades within Audi windows and trims

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

For car owners who are also considering other modifications to improve the driving experience – including acoustics, exhaust sound characteristics, or the selection of used components – a guide article dedicated to sports exhaust systems may be helpful, available here: Second-hand Mini John Cooper Works Pro sports exhaust – a legal way to get a racy sound and +7 HP.