Audi R8 42 Engine Mount Support Bracket Left N/S 4.2 Petrol FSI 420199307F

Audi R8 42 Engine Mount Support Bracket Left N/S 4.2 Petrol FSI is an original component from the Engine mounts group, designed for the left side of the powertrain in the petrol version. Engineered specifically for the Audi R8 structure with the 4.2 FSI engine, it provides stable support for the powertrain and reduces vibration transfer to the chassis, which translates into precise handling and driving comfort.

Specifications and technical data

• SKU: 420199307F
• Mark: Audi
• Condition: Used
• OEM Part Number: 420199307F
• Substitutable numbers: 420199307F, 420 199 307 F
• Location on the vehicle: Left
• Fuel type: Petrol
• Part type: Engine Mount
• Category: Engine Mounts

Purpose and function of the bracket

The presented engine mount support bracket is dedicated to the left side of the powertrain in the Audi R8 with a petrol FSI engine. Its task is to provide a rigid and stable connection between the engine and the vehicle's load-bearing structure, while working in conjunction with the engine mounts to dampen vibrations and dynamic loads. A properly selected bracket in this area is crucial for:

• maintaining the correct geometry of the powertrain relative to the chassis,
• limiting unwanted engine movement during acceleration and braking,
• reducing the loads transferred to other engine mounting components.

Benefits of using an original Audi component

The engine mount support bracket from the Audi line has been designed for the specific 4.2 FSI powertrain configuration, ensuring it maintains factory mounting points and the correct structural rigidity. This avoids fitment issues typical of aftermarket parts with universal geometry. The main advantages of using an original bracket include:

• precise fitment with the engine block and chassis components,
• preservation of the load-bearing paths designed by the manufacturer,
• compatibility with factory engine mounts and other mounting system components.

Technical characteristics and installation

The bracket has been developed for petrol units, meaning it is matched to the specific weight, operating characteristics, and temperature range of the FSI engine. Positioning on the left side of the vehicle requires maintaining the correct geometry to ensure proper engine support across the entire load range. During installation, it is important to:

• apply the correct bolt tightening sequence in accordance with Audi service documentation,
• check the condition of the cooperating engine mounts and other mounting points,
• verify that no additional stresses or collisions with other components in the engine bay occur after installation. A mounting system prepared in this way minimizes the risk of unwanted vibrations, noise, and accelerated wear of adjacent components.

Application in Audi R8 service and repairs

The left-side engine mount support bracket is particularly important during post-collision repairs, powertrain replacement, or damage resulting from track use. In such situations, using an original element from the Engine mounts group allows for restoring the factory powertrain operating parameters and maintaining the handling characteristics typical of the Audi R8. 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, load-bearing elements, or mounts cooperating with the engine mounts, check the available parts in the Audi engine mounts category.

Used component and repair economics

Choosing a used engine mount support bracket is often a reasonable compromise between costs and maintaining the manufacturer's original specifications. In the case of sports vehicles such as the Audi R8, using a dismantled component allows for maintaining high-quality parts while reducing repair expenses. For a comparison of approaches to using used parts in VAG group vehicle service, it is worth reading an article discussing the impact of such solutions on maintenance costs – you can find it here: SEAT parts – original dismantled spare parts vs. car maintenance costs.