Audi S4 B7 Rear Door Outer Seal Frame Gasket Rubber Left N/S 8E0839911N

Audi S4 B7 Rear Door Outer Seal Frame Gasket Rubber Left N/S is a precisely profiled body component designed to perform in demanding operating conditions. It is responsible for the tight closure of the rear left door, improving acoustic insulation, water protection, and door stability relative to the bodywork. Thanks to its factory-fit design for the specific Audi model, it ensures assembly consistency with the vehicle's original construction.

Specifications and technical data

• SKU: 8E0839911N
• Mark: Audi
• Condition: Used
• OEM Part Number: 8E0839911N
• Substitutable numbers: 8E0839911N, 8E0 839 911 N
• Location on the vehicle: Rear, Left
• Category: Doors & Door Skins

Purpose and fitment for Audi S4 B7

The seal is designed for installation on the rear left door of the Audi S4 B7 generation. The component's design has been developed for the specific geometry of the bodywork, which allows for:

• proper adhesion to the door edge and body frame,
• maintenance of factory assembly clearances,
• stable door guidance during opening and closing.

As a result, replacing a worn seal with this component allows for the restoration of the original functional properties of the door area without the need for additional modifications.

Sealing function and body protection

The rubber construction of the seal operates across a wide temperature range, limiting the penetration of water, dust, and noise into the cabin. In practice, this means:

• better protection of sills and lower door edges against moisture,
• reduced risk of corrosion at critical contact points between the door and the body,
• more stable door closure, which reduces rattling and play while driving.

The appropriately selected hardness of the rubber compound promotes the retention of flexibility, which facilitates installation and improves adhesion to metal and plastic surfaces.

Characteristics of the used component

The seal comes from disassembly, which allows for the preservation of original fitment parameters to the Audi body. A used component is a good solution when:

• the existing seal is mechanically damaged or perished,
• after a collision or body repair, it is necessary to restore door tightness,
• maintaining compliance with the vehicle's factory specifications is important.

Choosing such a component allows for the optimization of repair costs while maintaining the proper technical standard.

Benefits of using an original door seal

Using a seal dedicated to the Audi S4 B7 in the rear left part of the body provides a number of practical benefits:

• Better interior acoustics – reduction of wind noise and noise from the wheel arch area.
• Door operation stability – proper guidance of the door leaf in the closed position.
• Interior protection – reduced risk of water ingress into upholstery and metal components.

By maintaining geometry consistent with the factory design, the seal works in harmony with locks, hinges, and door linings, supporting the long-term, repeatable operation of the entire door assembly.

Expanding Audi door area repairs

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other elements from the same group, such as panels, frames, or reinforcements, check out the available parts in the Audi Doors and door panels category.

For users interested in a broader approach to vehicle service and modernization, including component selection analysis and VIN compatibility verification, the Global Parts technical guide may be helpful – you can find a detailed discussion in the article BMW B58 code – checklist before buying a turbocharger and intercooler.