Audi A3 8P A4 B7 Door Speaker Front Left Right N/O/S Tweeter 8H0035399D

Audi A3 8P A4 B7 Door Speaker Front Left Right N/O/S Tweeter is an original audio component designed for installation in the front door on either the driver or passenger side. Thanks to its factory design, it ensures consistent sound quality with other audio components and a secure fit to the original mounting points. It is a practical solution for replacing a damaged tweeter or restoring the standard audio system configuration.

Specifications and technical data

• SKU: 8H0035399D
• Mark: Audi
• Condition: Used
• OEM Part Number: 8H0035399D
• Substitutable numbers: 8H0035399D, 8H0 035 399 D
• Location on the vehicle: Front, Left, Right
• Category: Trim

Purpose and function in the audio system

The presented tweeter is responsible for reproducing higher frequencies in the front of the cabin, which translates into clearer dialogue, better instrument separation, and more legible musical details. Mounted in the front door on the left or right side, it works with other drivers in the door to create a balanced soundstage tailored to the Audi interior.

Thanks to the factory housing geometry and connectors, the speaker allows for maintaining the original sound character without the need to interfere with the electrical installation or door upholstery. This is particularly important for vehicle repairs where maintaining compliance with manufacturer equipment is a priority.

Construction and fit for the front door

The tweeter has been designed as a component mounted within the front door structure, taking into account the shape of the panels and factory mounting points. The design, intended for operation on both the left and right sides, facilitates part selection during service – one type of tweeter can handle both sides of the vehicle in the front zone.

Properly selected acoustic characteristics and integration with factory grilles allow for aesthetic installation without visible modifications. Compatibility with the standard wiring harness is also maintained, which reduces the risk of installation errors and unwanted interference.

Benefits of using an original tweeter

Using an original tweeter in an Audi A3 8P or A4 B7 offers a number of practical advantages:

• maintaining the factory sound characteristics in the front of the cabin,
• secure fit to standard mountings and door trim elements,
• no need to modify the electrical installation,
• consistent interior appearance after repair or replacement.

For users who care about maintaining the standard equipment level, this speaker is a sensible choice for post-collision repairs, replacing a damaged component, or restoring the car to a factory-like condition.

Application in the door trim zone

As an element from the Trims, decorative strips, and decorations group, this tweeter contributes to the aesthetics and functionality of the door trim. Its shape and mounting method are matched to the door panels, ensuring a uniform interior style line after installation, without non-factory gaps or mismatches.

If you are planning a comprehensive repair or upgrade of the front door zone in your Audi and need other elements from the same group, such as grilles, panels, or decorative inserts, check out the available parts in the Audi Trims, decorative strips, and decorations category.

Practical installation and maintenance tips

When replacing the tweeter, it is worth paying attention to proper seating in the door panel and a secure connection of the plug to avoid crackling and sound interruptions. It is recommended to remove the door upholstery using appropriate trim removal tools, which reduces the risk of damaging finishing elements.

For those interested in a broader perspective on vehicle equipment upgrades and selecting used components, the article describing the practical aspects of purchasing and installing a sports exhaust system may be helpful – you can find it here: Used Mini John Cooper Works Pro sports exhaust – a legal way to get a racy sound and +7 HP.