Audi A4 B9 2.0 TDI DETA Diesel Engine Bearing Mount Bracket Left N/S 4M0199869AN

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

Specifications and technical data

• SKU: 4M0199869AN
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0199869AN
• Substitutable numbers: 4M0199869AN, 4M0 199 869 AN
• Location on the vehicle: Left
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the powertrain

The presented engine mount bracket is designed specifically for use on the left side of the engine bay in the Audi A4 B9 generation model with the 2.0 TDI DETA unit. Its task is to precisely maintain the engine's position relative to the chassis and effectively dampen vibrations characteristic of diesel engines.

The properly selected stiffness and operating characteristics of the mount contribute to:

• reducing vibrations felt in the cabin,
• reducing noise transmitted from the powertrain,
• powertrain stability during acceleration and engine braking,
• relieving other mounts and accessory components.

Benefits of using the original mount bracket

The original engine mount bracket integrated with the mount is structurally matched to the geometry of the Audi chassis as well as the weight and operating characteristics of the diesel engine. Thanks to this, it ensures:

• proper fitment with factory mounting points without the need for modifications,
• preservation of the factory powertrain alignment geometry,
• consistent operation with other engine and transmission mounts,
• stable support during daily use and dynamic driving.

Choosing an original component from this group allows you to maintain predictable vehicle behavior, limit unwanted vibrations, and ensure the durability of adjacent components, such as cables, hoses, or exhaust system elements.

Installation and operational characteristics

The left-side mount bracket is a key load-bearing element in the engine area. When replacing it, it is worth paying attention to:

• checking the condition of other engine mounts,
• proper support of the powertrain during disassembly,
• maintaining the correct bolt tightening sequence in accordance with service documentation,
• checking after installation for any excessive vibrations or knocking during engine start-up and shutdown.

A well-selected and functional left engine mount helps maintain stable operation of the diesel unit, which translates into driving comfort and reduced stress on chassis components.

Condition of the component and practical application

The offered engine mount bracket belongs to the group of used parts, which allows for economical repair while maintaining the original design. This solution is particularly beneficial for comprehensive powertrain maintenance in the Audi A4 B9 2.0 TDI, when it is necessary to replace several mounts at the same time.

The component is intended for diesel-powered vehicles, so its operating characteristics are matched to the specifics of a diesel engine – higher torque and a different vibration range than in gasoline units.

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 other cushions, check the available parts in the Audi engine mounts category.

To better plan service work on modern cars and understand the relationships between the powertrain and electronics, it is worth checking out a guide on modules and multimedia systems – you will find practical tips in the article Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models using dismantled parts?.