Audi A4 B6 4.2 BBK Engine Mount Carrier Support Bracket Left N/S 4Z7199307B

Audi A4 B6 4.2 BBK Engine Mount Carrier Support Bracket Left N/S is an original component from the Engine mounts group, designed for 4.2 BBK petrol engines in the Audi A4 B6 generation. The precisely selected geometry of the bracket ensures stable support for the powertrain on the left side, which translates into smoother engine operation and the reduction of unwanted vibrations.

Specifications and technical data

• SKU: 4Z7199307B
• Mark: Audi
• Condition: Used
• OEM Part Number: 4Z7199307B
• Substitutable numbers: 4Z7199307B, 4Z7 199 307 B
• Location on the vehicle: Left
• Fuel type: Petrol
• Category: Engine Mounts

Purpose and function in the powertrain

The left engine mount bracket in the Audi A4 B6 with the 4.2 BBK unit is responsible for transferring loads from the engine to the chassis and working in conjunction with the engine mounts. A correctly selected and installed component:

• stabilizes the engine position relative to the subframe and chassis,
• limits powertrain movement during acceleration and engine braking,
• supports the operation of engine mounts, reducing vibrations transmitted to the cabin,
• reduces the risk of excessive load on adjacent mounting elements.

Thanks to this, the powertrain operates predictably, and cooperating components – such as drive shafts, exhaust, or engine accessories – are less exposed to overloads resulting from uncontrolled unit displacement.

Benefits of using an original bracket

In the case of engine mounts, maintaining factory geometry and rigidity is particularly important. Using an original bracket dedicated to the Audi A4 B6 4.2 BBK allows you to achieve:

• secure fitment to mounting points on the chassis and engine, without the need for modifications,
• compliance with factory tolerances, which facilitates the correct alignment of other mounting elements,
• stable cooperation with engine mounts intended for the V8 petrol version,
• maintenance of powertrain operating characteristics close to the factory configuration.

This solution is especially recommended for post-collision repairs, engine replacements, or restoring a car to a condition close to the original, where compliance with manufacturer documentation counts.

Mounting and operational characteristics

The bracket is designed for installation on the left side of the powertrain in petrol-powered vehicles. The design has been engineered to work with factory engine mounts and subframe components of the Audi A4 B6 with the 4.2 BBK engine. When replacing, it is recommended to:

• check the condition of the engine mounts and other mounting elements,
• verify the geometry of the mounts after previous bodywork repairs,
• use appropriate tightening torques in accordance with service documentation.

Such an approach allows you to fully utilize the potential of the bracket design and ensures stable operation of the powertrain in the long term.

Component condition and practical service application

The offered bracket comes from dismantling and is a used part, which makes it an attractive cost-effective alternative to new parts, while maintaining the original manufacturer specification. This type of component is often chosen by workshops specializing in Audi and by users servicing their own cars when a factory solution at a reasonable price is needed.

It works well both for standard replacement of worn mounting elements and for larger projects – e.g., engine swaps within the same model generation.

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 brackets, supports, or components cooperating with mounts, check the available parts in the Audi engine mounts category.

How to choose the right bracket for your car

When selecting this type of component, it is crucial to pay attention to:

• compatibility with the body generation and specific engine version,
• placement on the vehicle (left/right side),
• intended use for the correct fuel type.

To facilitate verification, it is worth using manufacturer markings, catalog data, and visual comparison with the part installed in the vehicle. Additional tips on completing used parts, their verification, and planning purchases in one place can be found in the article: Comprehensive supply: from the engine to the smallest clip – how to complete used car parts in one place.