Audi TT 8N Speaker Rear Right Quarter Panel O/S 8D5035401B

Audi TT 8N Speaker Rear Right Quarter Panel O/S is a factory audio component designed for installation in the rear right section of the cabin. The original design ensures acoustic consistency with other audio components, and the precise fit for the specific Audi TT 8N model facilitates installation. This is a practical solution for users who want to restore the proper operation of the audio system without interfering with the electrical installation or the interior styling.

Specifications and technical data

• SKU: 8D5035401B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8D5035401B
• Substitutable numbers: 8D5035401B, 8D5 035 401 B
• Location on the vehicle: Rear, Right
• Part type: Door Panel
• Category: Door Panels

Purpose and vehicle placement

The presented speaker is designed to operate in the rear right section of the first-generation Audi TT (8N) cabin. Placement in the rear zone allows for proper balancing of the soundstage between the front and rear of the vehicle, which translates into a more even distribution of sound for the driver and passengers.

Thanks to its precise fit to factory mounts and wiring, this component works with the original audio system without the need for modifications. Placement on vehicle: rear – right side minimizes the risk of incorrect installation and makes it easy to identify the correct mounting location.

Technical characteristics and compatibility

The speaker belongs to the group of interior elements associated with the Door upholstery category, which means it is integrated with the side trim and matched to the factory panels. The design provided by the vehicle manufacturer ensures adequate mounting rigidity and proper acoustics within the side section of the cabin.

As an original Audi part, the speaker complies with factory quality standards and the electrical parameters of the sound system. This is particularly important when replacing a single component – maintaining the same technical characteristics helps avoid differences in volume, sound color, or amplifier load.

Condition, origin, and service application

The offered speaker comes from dismantling and is sold as a used part. This type of component is a good choice in situations where the factory speaker has suffered mechanical damage (e.g., torn diaphragm, damaged basket) or electrical failure (no sound, distortion). Replacing it with an original used element allows for reduced repair costs while maintaining compatibility with the vehicle's installation.

This solution works well for both routine repairs and restoring full audio system functionality after a collision or interior trim work. Factory fit for Audi reduces installation time and eliminates the need for adapters or wiring modifications.

Benefits of using the original rear right speaker

• Restoration of proper rear right audio channel operation without changing the sound character in the cabin.
• Compatibility with the factory electrical installation and mounts in the side interior section.
• Visual and structural consistency with other door and side panel elements.
• Reduction of repair costs through the use of a used component from dismantling.

For users who care about maintaining the original character of the interior and audio system, using such a component is more predictable than installing universal replacements.

Expansion of upgrades within side panels

If you are planning a comprehensive repair or upgrade of the door side panel area in your Audi and need other elements from the same group, such as upholstery panels, side trims, or covers, check the available parts in the Audi door upholstery category.

Technical support and repair cost optimization

When performing service work on the interior and suspension elements, it is worth paying attention to the overall condition of the vehicle to avoid recurring faults and unnecessary costs. If you want to better understand how choosing used components from dismantling can affect driving comfort and your repair budget, check out our guide: Suspension knocking? Discover a clever way to restore factory handling precision without spending a fortune at the service center.