Audi A8 D4 Inlet Intake Manifold Air Intake 4.2 TDI 057145762N 057145770N

Audi A8 D4 Inlet Intake Manifold Air Intake 4.2 TDI is an original component from the Intake manifolds group, designed for the 4.2 TDI diesel engine in the Audi A8 D4 generation model. This used OEM part ensures factory-fit for the powertrain, maintaining proper airflow parameters and stable operation of the intake system.

Specifications and technical data

• SKU: 057145762N
• Mark: Audi
• Condition: Used
• OEM Part Number: 057145762N
• Substitutable numbers: 057145762N, 057 145 762 N, 057145770N, 057 145 770 N
• Fuel type: Diesel
• Category: Intake Manifolds

Purpose and function in the 4.2 TDI engine

The intake manifold in the 4.2 TDI diesel engine is responsible for the even distribution of air to individual cylinders, which directly affects engine refinement, performance, and fuel consumption. In the case of V8 units, such as the 4.2 TDI, a properly selected manifold is crucial for:

• stable cylinder filling under various loads,
• maintaining appropriate torque across a wide rev range,
• correct cooperation with the turbocharging system and engine management.

Thanks to a design consistent with factory specifications, this manifold supports the efficient operation of the turbocharged diesel engine, reducing the risk of power drops resulting from leaks or incorrect airflow.

Original origin and Audi compatibility

The presented component comes from the Audi brand, which means it adheres to factory quality and construction standards. The original intake manifold is designed for the specific geometry of the A8 D4 engine bay, ensuring that it:

• fits factory mounting points without modifications,
• works with stock sensors and accessories,
• maintains compatibility with engine control maps for the 4.2 TDI unit.

This solution is particularly beneficial for repairs where reliable compatibility with the air supply system and avoiding the need to adapt universal parts is essential.

Characteristics of the used intake manifold

As a used part, the Audi A8 D4 air intake manifold is an economical alternative to a new component while maintaining the original specification. This type of element is a popular choice in cases of:

• repairs following mechanical damage within the intake system,
• problems with leaks or cracks in the manifold housing,
• diesel engine servicing where maintaining the factory configuration is important.

Choosing a used OEM manifold allows for cost reduction while maintaining consistency with the original design of the powertrain, which is vital for durability and predictable engine performance.

Application in diesel engines and technical aspects

The manifold has been designed to work with a diesel engine, meaning the construction is adapted to higher boost pressures and specific combustion characteristics. In practice, this translates to:

• properly shaped intake runners for the V8 TDI unit,
• adaptation for operation with exhaust gas recirculation and turbocharging systems,
• maintaining proper airflow under high loads.

As a result, the manifold supports correct engine operating parameters, which is significant for both dynamics and maintaining stable emission values within the factory design assumptions.

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 intake manifolds, intake duct components, or intake system housings, check out the available parts in the Audi intake manifolds category.

Expert support and selection of used parts

When replacing an intake manifold in advanced units like the 4.2 TDI, it is worth expanding your knowledge about the influence of intake and exhaust components on engine performance characteristics. Practical tips regarding the selection of used manifolds and their role in the system can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road, which discusses, among other things, issues related to manifolds in popular brands, including Audi.

If you want to better understand how to consciously choose components from the secondary market and what to pay attention to when purchasing items such as intake manifolds, the guide Used parts – Your guide to the best offers in an automotive store, which describes the principles of safe and cost-effective selection of used parts, will also be helpful.