Audi Q7 4M Door Speaker Loudspeaker Rear Left Right N/O/S 4M8035411A

Audi Q7 4M Door Speaker Loudspeaker Rear Left Right is an original acoustic equipment component designed for installation in the rear doors of this model. Thanks to its factory design, the speaker works seamlessly with the stock audio system, ensuring consistent sound quality and a perfect fit with the door trim. It is a practical solution for replacing a damaged driver or restoring full audio functionality in the vehicle.

Specifications and technical data

• SKU: 4M8035411A
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M8035411A
• Substitutable numbers: 4M8035411A, 4M8 035 411 A
• Location on the vehicle: Rear, Right, Left
• Category: Door Panels

Purpose and fitment for Audi Q7 4M

The presented speaker is a component designed for installation in the rear doors of the Audi Q7 4M generation, on both the left and right sides. The construction has been developed for factory mounting points within the Door trim, which facilitates installation without the need for modifications to the wiring or interference with the door structure. Using an original component allows for maintaining acoustic consistency with the other speakers in the vehicle.

Construction and role in the audio system

The rear door speaker in the Audi Q7 4M is responsible for reproducing sound in the rear part of the cabin, supporting an even distribution of the audio stage between the front and rear. As an OEM component, it is designed to:

• operate in the optimal acoustic volume of the door cavity,
• work with the stock amplifier and head unit,
• ensure stable mounting to the internal door structure.

Such a fit reduces the risk of resonance and unwanted vibrations, which translates into more stable, predictable sound during daily use.

Installation in the rear door area

The speaker is adapted for installation in the rear of the vehicle, on the left or right side, in accordance with the factory layout provided by the manufacturer. Its placement within the door structure allows for:

• maintaining the original sound flow geometry in the cabin,
• proper alignment with the grille in the door trim,
• trouble-free connection to the existing electrical harness.

Using an original speaker reduces the time required for installation and minimizes the risk of electrical or mechanical compatibility issues.

Performance characteristics of the used component

As a secondary market item, the Audi Q7 4M rear door speaker provides a solution for cost-effective audio system repair while maintaining factory specifications. The used component allows for restoring the proper operation of the audio system without the need to invest in replacements with uncertain parameters. This is particularly beneficial during comprehensive service work within the door area, including door trim, window regulators, or seals.

Integration with other door trim elements

The speaker works with the door structure and trim, creating a cohesive acoustic-mechanical module. When properly installed, the component:

• maintains the tightness and rigidity of the door panel,
• does not interfere with the window lifting mechanism,
• preserves the interior aesthetics by fitting the factory grilles.

Such a combination of mechanical and acoustic functions is important for long-term operation, especially in premium segment cars, where stable audio system performance and consistent interior finishing are expected.

If you are planning a comprehensive repair or upgrade of the door area in your Audi and need other elements from the same group, such as trim panels, door cards, or speaker grilles, check the available parts in the Audi Door trim category.

If you are considering broader service work on the vehicle and want to better understand the specifics of selecting components from the secondary market, the article Stock vs. sports suspension – differences in construction and is it worth buying used suspension parts?, which discusses the practical aspects of choosing used components, may be helpful.