Audi A4 B8 A5 8T A6 C7 Engine Cover Insulation Acoustic Panel 2.0 TDI 04L103925D

Visual condition of the part 

The product shows signs of use visible in the photos. 

Audi A4 B8 A5 8T A6 C7 Engine Cover Insulation Acoustic Panel 2.0 TDI is an original Audi component designed for 2.0 TDI diesel engines. This carefully engineered cover helps organize the engine bay, improves acoustic comfort, and protects sensitive components from dirt and debris. Thanks to its factory-spec fitment, it is a convenient solution that is technically safe for the powertrain.

Specifications and technical data

• SKU: 04L103925D
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L103925D
• Substitutable numbers: 04L103925D, 04L 103 925 D
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function of the engine cover

The presented engine cover has been developed for Diesel power units used in Audi A4 B8, A5 8T, and A6 C7 models with the 2.0 TDI engine. Its purpose is to reduce noise transmission from the engine bay to the cabin, as well as to protect auxiliary components from dust, moisture, and minor debris encountered during daily operation.

The properly contoured design also facilitates maintenance – access to basic service points is preserved, and the mechanic has a clear view of the zones within the engine bay. This is particularly important during regular inspections and diagnostics of diesel units.

Construction, fitment, and installation

As an item from the Engine mounts group in the catalog, the cover works with the engine mounting system, creating a cohesive assembly with other components in the engine bay. Factory mounting points ensure stable seating of the cover without the need for modifications or the use of non-factory solutions.

The original fitment translates into:

• secure retention of the cover despite vibrations characteristic of diesel engines,
• no interference with cables, wiring harnesses, or auxiliary components,
• an aesthetic, organized look of the engine bay after installation.

The element is ready for installation in place of the factory cover, which reduces labor time and minimizes the risk of installation errors.

Characteristics of the used component

The offered cover comes from the secondary market, which allows for combining an attractive price with the preservation of the manufacturer's original specifications. A used component of this type is particularly attractive where compliance with the factory design and proper fitment to the existing engine mounting system are important.

For many users of vehicles with the 2.0 TDI engine, this is a practical way to restore the completeness of the engine bay after damage or loss of the original cover, without having to resort to cheaper replacements with uncertain fitment.

Benefits of using an original engine cover

Using an original cover in an Audi A4 B8, A5 8T, or A6 C7 brings a number of measurable operational benefits:

• Better protection of auxiliary components – reduced contact with dirt and moisture in the upper part of the power unit.
• Controlled noise level – an additional acoustic barrier for the characteristic operation of a diesel engine.
• Cohesive engine bay aesthetics – an organized appearance, important both for daily use and for the potential resale of the car.
• Factory fitment to the mounting system and geometry of the 2.0 TDI unit.

Thanks to the preservation of the original design, the cover works in harmony with other elements in the engine bay, without introducing additional stress or unwanted vibrations.

Part selection and additional technical support

To ensure you are choosing the right component, you can verify compatibility with your vehicle using the manufacturer's markings – the product has a dedicated OEM part number and associated interchangeable numbers, which facilitate unambiguous identification in service catalogs. In case of doubt, it is worth comparing the shape and mounting points with the currently installed engine cover.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional mounts, brackets, or vibration-damping elements, check the available parts in the Audi Engine mounts category.

For larger service projects, a guide describing how to effectively collect original elements from the secondary market – from major sub-assemblies to small accessories – will also be helpful. You can find more practical tips in the article Comprehensive supply: from the engine to the smallest clip – how to collect used car parts in one place?.