Audi A3 8P Door Window Seal Guide Rubber Gasket Rear Left N/S 8P7839479C

Audi A3 8P Door Window Seal Guide Rubber Gasket Rear Left N/S is an original component from the Window seals and trims group, designed for installation in the rear left door. It ensures tight window guidance, reduces wind noise, and supports the proper operation of the window lifting mechanism under demanding operating conditions.

Specifications and technical data

• SKU: 8P7839479C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P7839479C
• Substitutable numbers: 8P7839479C, 8P7 839 479 C
• Location on the vehicle: Rear, Left
• Category: Window Seals, Gaskets & Trims

Purpose and function of the window seal

The rear left door window seal in the Audi A3 8P is responsible for precisely sealing the window edge against the door frame. A properly selected component minimizes the ingress of water, dust, and air drafts into the interior, which translates into stable acoustic comfort and protection for the upholstery and electrical wiring inside the door.

Thanks to its dedicated profile and fitment for a specific vehicle location, the seal works in conjunction with the window guides and door lock, keeping the window in the correct position while driving and during repeated opening and closing of the door.

Construction and fitment for the Audi A3 8P

The component has been designed specifically for the geometry of the rear left door on the Audi A3 8P body. The appropriate cross-sectional shape and material flexibility allow for stable seating of the seal in the door slot without the need for body modifications.

Such fitment ensures:

• proper adhesion to the window along the entire working perimeter,
• reduction of window vibrations and rattling when driving over uneven surfaces,
• maintenance of the factory visual line of the window edge.

Benefits of using an original seal

Using an original window seal in the Audi A3 8P allows for maintaining the structural integrity of the door and the sealing parameters specified by the manufacturer. A properly selected component reduces the risk of window fogging, interior dampness, and accelerated corrosion of the door edges.

The main advantages include:

• stable sealing of the window zone during daily use,
• better acoustic insulation of the cabin at higher speeds,
• protection of the window lifting mechanism against excessive load resulting from leaks or poor guidance.

Condition of the component and service application

The seal is in used condition, making it a service solution for users looking for an original component at a reasonable price. It is particularly useful for post-collision repairs, replacing corroded or damaged doors, as well as eliminating leaks and noise in the rear left part of the body.

Selecting the correct seal for a specific model and vehicle location helps avoid installation problems and ensures compatibility with existing door trim elements.

Expanding the scope of service work

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

To expand your knowledge about the construction and development of solutions used in premium class cars, you can read an article describing the evolution of flagship models, their technical solutions, and the selection of service parts: The evolution of the Mercedes S-Class – innovations and parts selection across generations.