Audi A3 8P Door Window Seal Guide Rubber Gasket Rear Left N/S 8P7839479B

The Left Rear Window Seal Guide for Audi A3 8P is an original body part designed for the rear left side of the vehicle. It ensures a tight window seal, reduces wind noise, and supports the proper operation of the lifting mechanism. Thanks to its precise fit for the A3 8P generation, it is a safe service solution for rear door repairs.

Specifications and technical data

• SKU: 8P7839479B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P7839479B
• Substitutable numbers: 8P7839479B, 8P7 839 479 B
• Location on the vehicle: Rear, Left
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and Function in the Body

The presented window seal guide has been specifically designed for the rear left part of the Audi A3 8P body. It is responsible for the stable guidance of the window within the door frame and for maintaining proper sealing between the window and the door structure.

A well-fitted seal in this area:

• prevents water and dirt from entering the door interior,
• reduces air noise at higher speeds,
• supports the smooth operation of the window lifting mechanism,
• helps maintain proper window alignment with the body.

Construction and Fit for Audi

This component belongs to the Window and Trim Seals group, meaning it has been constructed for direct contact with the window and door edge. The rubber profile is shaped to work with the original Audi door frame and maintain the correct window guidance geometry.

Original origin from the Audi brand translates to:

• precise fit for the rear left door shape,
• compatibility with the original window mechanism,
• consistent appearance with other sealing elements in the vehicle.

Service Application and Installation

The left rear window seal guide is ideal for replacing a worn or damaged component when symptoms such as increased noise, loose window operation, or door leaks appear. Using an original component allows for the preservation of the original window operating parameters and the aesthetic of the vehicle's side profile.

During installation, it is important to correctly seat the seal in the door groove and check the window's operation after replacement. Thanks to its design tailored to the specific Audi A3 8P model, the service process is predictable and does not require component modification.

Characteristics of a Used Part

The offered seal is a used part, allowing for economical repair while maintaining the original manufacturer's specifications. This type of component is particularly useful for vehicles used daily, where functionality, fit, and reasonable service costs are important.

Choosing an original, used seal from this group helps avoid problems typical of random aftermarket replacements, such as incorrect profile, excessive material stiffness, or difficulties with installation in the door frame.

Expanding Window Seal Repairs

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

To better plan your vehicle's service using original used components and optimize the maintenance costs of a premium car, it is worth reading the guide: Luxury within Reach – How to Service a Porsche Legend Using Proven Used Parts.