Audi A4 B9 2.0 TDI DETA Diesel Engine Bearing Mount Left N/S 4M0199869AM

Audi A4 B9 2.0 TDI DETA Diesel Engine Bearing Mount Left N/S is an original part from the Engine mounts group, designed for diesel units. It provides stable, controlled support for the diesel engine on the left side, reducing vibrations transmitted to the chassis and improving the refinement of the drivetrain.

Specifications and technical data

• SKU: 4M0199869AM
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0199869AM
• Substitutable numbers: 4M0199869AM, 4M0 199 869 AM
• Location on the vehicle: Left
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the drivetrain

The presented left engine bearing mount has been designed specifically for the 2.0 TDI DETA unit in the Audi A4 B9 generation powered by a diesel engine. Its task is to transfer loads from the engine block to the chassis while damping torsional vibrations and oscillations generated during the operation of the diesel unit.

The positioning on the left side of the vehicle is crucial for the mounting geometry of the powertrain – proper selection of this component allows for maintaining the correct shaft alignment, reducing stress on other mounts, and minimizing noise and vibrations felt in the cabin.

Benefits of using an original engine mount

Using an original bracket from the Engine mounts group in an Audi allows for maintaining the factory performance parameters of the drivetrain. In practice, this means:

• more stable mounting of the diesel engine during startup and shutdown,
• reduction of vibration transmission to the chassis and interior components,
• lower stress on other mounts and auxiliary components,
• better vehicle behavior during acceleration and engine braking.

For the user, this translates into more predictable car behavior, higher driving comfort, and a reduced risk of premature wear of adjacent drivetrain components.

Installation characteristics and fitment

The left engine bearing mount is structurally adapted to the engine bay architecture of the Audi A4 B9 with the 2.0 TDI DETA unit. The appropriate arrangement of mounting points and the geometry of the element allow for installation in place of the factory component without the need for structural modifications.

Precise fitment to the specific fuel type – Diesel – is important due to the operating characteristics of a diesel engine, which generates a different spectrum of vibrations than gasoline units. Properly selected stiffness and engine support method help maintain the stability of the entire powertrain under typical operating conditions.

Condition of the part and practical application

The offered engine bearing mount is a used part, which makes it a reasonable choice for vehicle maintenance when an optimal cost-to-functionality ratio is the priority. This type of part is suitable both for standard replacement of a worn mount and for post-accident repairs where it is necessary to restore the correct position of the powertrain.

Selecting the correct element on the left side is particularly important in the case of symptoms such as excessive vibrations at idle, knocking when starting, or noticeable jerking when changing engine load. Replacing a worn mount with a properly fitted component effectively reduces such phenomena.

Technical support and additional materials

To maximize the potential of used engine mounting elements, it is worth ensuring their proper operation and condition monitoring. Practical tips on maintenance and the use of dismantled components can be found in the article How to extend the service life of used car parts?, which describes, among other things, ways to ensure longer and trouble-free operation of the engine and powertrain suspension elements.

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.