Audi A3 8L A4 S4 8D Front Rear Door Speaker Left Right N/O/S 8D9035412B

Audi A3 8L A4 S4 8D Front Rear Door Speaker Left Right is an original component from the Door upholstery group, designed for the factory audio system in Audi vehicles. It allows for maintaining acoustic and visual consistency of the interior while providing solid, predictable sound tailored to the specific model.

Specifications and technical data

• SKU: 8D9035412B
• Mark: Audi
• Condition: Used
• OEM Part Number: 8D9035412B
• Substitutable numbers: 8D9035412B, 8D9 035 412 B
• Location on the vehicle: Front, Rear, Left, Right
• Part type: Door Panel
• Category: Door Panels

Purpose and vehicle placement

The presented door speaker is designed for installation in the side door area of the vehicle, with the possibility of use on both the front and rear axle. The design allows for installation on either the left or right side, which facilitates fitting the component to a specific mounting position in the car without the need for installation modifications.

Thanks to its dedicated design for doors, the speaker works with factory upholstery panels, maintaining proper sound guidance and correct fitment with other interior equipment elements.

Technical and functional characteristics

The door speaker in this model has been developed as part of the Audi audio system, which means it is matched to the factory electrical installation and has appropriately selected acoustic parameters. Using an original component promotes:

• maintaining a uniform sound characteristic throughout the cabin,
• proper cooperation with the factory radio or multimedia unit,
• stable mounting in the door without additional adapters.

Such a solution is particularly beneficial when replacing a single speaker after a failure, when maintaining sound consistency with the other transducers in the car is desired.

Condition of the item and benefits of choosing a used part

The offered speaker is a used item, sourced from disassembly, which allows for economical repair while maintaining the manufacturer's original specification. In practice, this means the possibility of restoring the proper operation of the sound system without the need to invest in replacements with uncertain parameters.

For many users, choosing an original used part is a reasonable compromise between cost and quality – especially in the case of audio components, where matching the factory installation has a direct impact on the comfort of daily operation.

If you want to better understand the differences between regeneration and installing parts from disassembly, it is worth reading the article: Refurbished or used original – which part to choose for repair?.

Application in door upholstery and user comfort

The door speaker is an integral element of the side cabin zone, working with the door upholstery and seals. A properly selected component:

• limits unwanted resonances and vibrations in the door panels,
• ensures even sound distribution in the front and rear parts of the interior,
• maintains the aesthetics of the factory finish without visible modifications.

Thanks to this, replacing a damaged transducer with an original equivalent allows you to maintain acoustic and visual comfort, which is important both in daily city driving and during longer trips.

Selection of other elements from the same group

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 upholstery panels, grilles, or additional decorative inserts, check the available parts in the Audi door upholstery category.