Audi A4 B9 2.0 TDI Diesel Engine Bearing Mount Bracket Right O/S 4M0199870AN

Audi A4 B9 2.0 TDI Diesel Engine Bearing Mount Bracket Right O/S is an original component from the Engine mounts group, designed for the right side of the powertrain in Audi vehicles with a diesel engine. The structure, designed for a specific drivetrain, ensures stable engine support, reduces unwanted vibrations, and maintains the correct geometry of the powertrain assembly.

Specifications and technical data

• SKU: 4M0199870AN-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 4M0199870AN
• Substitutable numbers: 4M0199870AN, 4M0 199 870 AN
• Location on the vehicle: Right
• Fuel type: Diesel
• Category: Engine Mounts

Purpose and function in the drivetrain

The described bracket is a mounting component for the right side, working in conjunction with the engine mount assembly in the Audi A4 B9 generation model with a diesel engine. Its task is to transfer loads from the powertrain to the chassis while damping vibrations and limiting engine movement during acceleration, engine braking, and gear changes.

Precise fitment to the specific drivetrain configuration results in:

• stable guidance of the powertrain in the longitudinal and transverse axes,
• reduction of vibration transfer to the body and vehicle interior,
• maintaining the correct position of the engine relative to the gearbox and drive shafts.

Benefits of using an original Audi bracket

Using an original bracket from the Engine mounts group allows you to maintain the factory operating parameters of the drivetrain. The component is designed for specific mounting points on the chassis and engine, meaning it does not require modifications or adjustments during installation.

Key advantages include:

• Factory mounting geometry – maintaining the correct engine tilt angle and proper cooperation with other powertrain suspension components.
• Optimal structural rigidity – appropriately selected load-bearing characteristics that support the operation of engine mounts and limit excessive deflection during dynamic driving.
• Diesel engine compatibility – a design intended for the higher torque and specific vibrations of diesel units.

Installation and operational characteristics

The right-side engine mount bracket is a structural element that operates in the immediate vicinity of the powertrain, so its condition has a real impact on driving comfort and the durability of adjacent components. Replacing a worn or damaged part with a functional, original bracket helps to reduce:

• knocking and vibrations felt in the cabin when starting and changing loads,
• excessive powertrain movement, which can affect exhaust components and drive shafts,
• the risk of premature wear of other engine mounts.

The product is in used condition, which allows you to combine a favorable purchase cost with the preservation of the manufacturer's original design specifications.

Application in service practice

The right-side engine mount bracket is suitable for both standard repairs after mechanical damage and comprehensive maintenance of the engine suspension system in an Audi A4 B9 with a diesel unit. Replacing this component is particularly recommended when symptoms such as noticeable vibrations on the body, noise during sudden acceleration, or visible engine displacement in the engine bay occur.

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 working with mounts, check the available parts in the Audi engine mounts category.

Support in selecting used parts

When choosing a used engine mount bracket, it is worth paying attention to compatibility with the specific version of the powertrain and the general condition of the element. It is good practice to compare the design and mounting points with the part removed from the vehicle to ensure trouble-free installation and proper system operation.

If you want to better understand when it is worth choosing a used part instead of a refurbished one and how to approach repairs using dismantled components, our blog article will be helpful: refurbished or used original – which part to choose for repairs. Additionally, in the context of modern electronic systems and control modules, it is worth reading the guide how to take care of iDrive systems and electronic modules in BMW models using dismantled parts, which shows best practices when working with advanced automotive components.