Audi A5 S5 8T Front Lower Door Rubber Seal Gasket Left Right N/O/S 8F0831707B

Audi A5 S5 8T Front Lower Door Rubber Seal Gasket Left Right is an original component from the Door seals group, designed specifically for Audi A5 and S5 models of the 8T generation. The precisely fitted rubber profile helps reduce the ingress of water, dirt, and noise into the interior, improving daily driving comfort.

Specifications and technical data

• SKU: 8F0831707B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8F0831707B
• Substitutable numbers: 8F0831707B, 8F0 831 707 B
• Location on the vehicle: Front, Left, Right
• Part type: Door Seal
• Category: Door Seals

Purpose and vehicle placement

The presented seal is intended for installation in the front door on the left or right side, in the lower part of the door opening. This placement effectively drains water and reduces air drafts in the critical threshold area, which is important for both body protection and cabin acoustic comfort.

Thanks to a design tailored to the specific Audi A5/S5 8T generation, the seal works with factory mounts and the door shape, which facilitates installation and ensures a stable fit along its entire length.

Construction and material properties

The element is made of flexible rubber material, selected for resistance to typical operational loads: temperature changes, moisture, and contact with road debris. This type of rubber door seal maintains its elasticity, which helps maintain proper pressure against the door edge and bodywork.

The seal profile has been designed to work with the body line of the Audi A5/S5 8T, minimizing the risk of leaks in the lower door zone. The appropriately selected material hardness reduces squeaking and unwanted noises when opening and closing the door.

Benefits of using an original Audi seal

Using an original element from the Audi group allows you to maintain factory fitment and performance parameters. The most important advantages include:

• better protection of the threshold and the lower part of the door against water and dirt,
• reduction of road noise and wind noise in the cabin,
• consistency with the factory body line and existing mounts,
• easier installation compared to universal replacements.

For users who care about maintaining proper body tightness and driving comfort, replacing a worn seal with an original Audi element is a technically sound and long-term beneficial solution.

Condition and service application

The seal comes from dismantling and is offered as a used original Audi element. This type of component works perfectly for post-accident repairs, replacing corroded or worn seals, and for restoration work within the front door area. In many cases, it allows for restoring proper tightness without the need for expensive new parts.

Before installation, it is recommended to perform a standard inspection of the contact surface condition on the vehicle and clean the door and threshold edges to ensure proper seal positioning and full utilization of its properties.

Complementary Audi door seals

If you are planning a comprehensive repair or upgrade of the door zone in your Audi and need other elements from the same group, such as additional perimeter seals, pillar seals, or lower threshold sections, check the available parts in the Audi door seals category.

Technical support and selection of used components

When planning broader service work, it is worth familiarizing yourself with the principles of selecting used body and suspension components to consciously combine cost-effectiveness with safety. Helpful information, practical examples, and answers to frequently asked questions can be found in the article Standard vs. sports suspension – design differences and is it worth buying used suspension parts?, which organizes key issues related to used automotive parts.