Audi A3 S3 8P Window Aperture Seal Gasket Frame Guide Front Right O/S 8P3837478C

Audi A3 S3 8P Window Aperture Seal Gasket Frame Guide Front Right O/S is an original body component designed for installation on the front right side of the vehicle. It ensures the window is guided tightly within the door frame, reduces wind noise, and supports the proper operation of the window regulator mechanism. Thanks to its factory-fit design for the Audi A3 and S3 8P generation, it provides a reliable service solution for door and window frame repairs.

Specifications and technical data

• SKU: 8P3837478C
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P3837478C
• Substitutable numbers: 8P3837478C, 8P3 837 478 C
• Location on the vehicle: Front, Right
• Part type: Window Seal
• Category: Window Seals, Gaskets & Trims

Purpose and function in the vehicle

The presented seal is a guiding and sealing component for the window area in the front right door. It is responsible for:

• stable window guidance within the door frame during raising and lowering,
• preventing water and moisture from entering the door interior,
• reducing wind noise and vibrations at higher speeds,
• maintaining proper window pressure against the frame, which improves cabin acoustic comfort.

The vehicle placement, defined as front – right side, allows for clear identification of the mounting position and helps avoid errors when selecting parts.

Original origin and fitment

This part comes from the Audi OE line, which ensures factory dimensional tolerances and compatibility with the door construction of the Audi A3 / S3 8P. The original geometry of the seal profile facilitates installation into existing mounting points and ensures proper contact with both the window and the door frame.

As a result, the component works seamlessly with the factory window regulator mechanism without causing additional resistance or stress. This is crucial for vehicle maintenance where preserving the original window operation characteristics and body sealing is a priority.

Condition, service application, and benefits of installation

The offered seal is a used part, which allows for an economical repair while maintaining the manufacturer's original specifications. It is particularly useful in situations where the existing seal is worn, deformed, cracked, or has been affected by bodywork or paint repairs in the door area.

Replacing this component can:

• reduce air drafts and noise around the window,
• decrease the risk of moisture appearing inside the door,
• improve the acoustic and thermal comfort of the cabin,
• restore proper window guidance after body repairs.

Part selection and related body components

When selecting items such as seals, trims, or window guides, it is recommended to use the manufacturer's original part numbers and information regarding vehicle placement. This facilitates matching the part to the specific body version and minimizes the risk of incompatibility. If you are planning a wider range of work on doors or windows, it may be helpful to browse the entire product group in the Window seals and trims category, where you will find related window frame components.

For comprehensive vehicle service work, it is also worth paying attention to the condition of other components that affect driving comfort, such as the ventilation, heating, or air conditioning systems. Practical tips on selecting used OEM parts and maintenance schedules can be found in the article Air conditioning and heating – part selection and maintenance for year-round comfort, which outlines the most important service procedures.

Summary

Audi A3 S3 8P Window Aperture Seal Gasket Frame Guide Front Right O/S is a factory body component designed for Audi 8P generation vehicles, mounted on the front right side. It ensures proper window guidance, improves door sealing, and supports the maintenance of acoustic comfort inside the vehicle. For users seeking original service solutions, it represents a practical choice for door and window repairs in these models.