Audi A5 8T Coupe Door Seal Front Left Right N/O/S Lower Gasket Guide 8T0831707D

Audi A5 8T Coupe Door Seal Front Left Right N/O/S Lower Gasket Guide is an original component from the Window seals and moldings group, designed for installation in the front driver or passenger side door. It ensures a tight, stable connection between the lower door edge and the body, improving acoustic comfort and protecting the interior from water and debris. Thanks to its factory-fit design, it is a particularly beneficial solution for post-accident repairs and replacing worn-out seals.

Specifications and technical data

• SKU: 8T0831707D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8T0831707D
• Substitutable numbers: 8T0831707D, 8T0 831 707 D
• Location on the vehicle: Front, Left, Right
• Category: Window Seals, Gaskets & Trims

Purpose and vehicle placement

The presented seal is designed specifically for the front doors of the Audi A5 8T Coupe model, with the possibility of installation on both the left and right sides. Positioned at the bottom of the door, this component is responsible for:

• sealing the contact point between the door and the sill/outer body,
• limiting the ingress of water, mud, and road salt into the interior,
• reducing noise and vibrations transmitted from the chassis.

Thanks to its precise profile, the seal works with factory mounting points, which facilitates installation and allows for maintaining the original door geometry.

Technical and functional characteristics

As an original Audi component, the front door lower seal is made of material selected for its resistance to weather conditions and typical operational loads. The design ensures:

• stable adhesion to the door edge without the need for additional modifications,
• appropriate flexibility, allowing for proper door operation during repeated opening and closing,
• compatibility with factory sill trims and outer paneling.

Such a solution helps maintain proper water drainage from the sill area and reduces the risk of corrosion in the lower door edge zone.

Condition and service application

The seal is a pre-owned component, making it an attractive option for service repairs where maintaining original specifications on a reasonable budget is a priority. It is particularly useful in situations where:

• the existing seal is mechanically damaged (cracks, tears),
• there are leaks resulting in moisture inside the vehicle,
• it is necessary to restore the factory sealing system after bodywork and paint repairs.

Using an original seal allows for maintaining the structural integrity of the door and avoiding fitment issues typical of universal aftermarket replacements.

Benefits of using an original Audi seal

Choosing this lower seal for the Audi A5 8T Coupe offers a number of practical benefits:

• factory fitment for the specific body model,
• maintaining the proper level of cabin acoustic insulation,
• better protection of sills and lower door edges against moisture,
• aesthetic finish of the door line without unnatural gaps.

As a result, this component provides a solid foundation for restoring proper door area sealing in the vehicle, without compromising on fitment.

Related components from the same group

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