Audi A8 D3 Turbo Pressure Hose Air Pipe Intercooler Left N/S 3.0 4E0145737M

Audi A8 D3 Turbo Pressure Hose Air Pipe Intercooler Left N/S 3.0 is an original turbocharging system component, designed to operate in the circuit between the turbocharger and the intercooler on the left side of the vehicle. Precise fitment to the Audi design ensures stable compressed air delivery and reduces the risk of leaks. This is a practical solution for users who want to restore the correct operating parameters of the 3.0 engine in their A8 D3.

Specifications and technical data

• SKU: A4E0145737M
• Mark: Audi
• Condition: Used
• OEM Part Number: A4E0145737M
• Substitutable numbers: A4E0145737M, A 4E0 145 737 M, 4E0145737M, 4E0 145 737 M
• Location on the vehicle: Left
• Part type: Intercooler Pipe
• Category: Intercoolers

Purpose and function in the turbocharging system

The presented pressure hose operates in the intake system area, routing compressed air from the turbocharger to the intercooler. As an element from the Intercoolers category, it is responsible for maintaining airtightness and proper airflow, which has a direct impact on the performance of the 3.0 unit and the stability of the boost pressure. The positioning on the left side of the vehicle allows for proper routing of the hose in the engine bay, while maintaining the factory geometry and distance from other components. This minimizes the risk of chafing against other parts and localized overheating.

Construction and fitment for Audi A8 D3

The hose has been designed specifically for the A8 D3 platform with the 3.0 engine, which translates into correct connection diameters and a shape matched to the factory hose routing. The appropriately selected material flexibility facilitates installation while ensuring stability under pressure load. As a component originating from the original Audi system, the intercooler pipe maintains compatibility with factory clamps and mounts, which reduces the need for additional modifications. This is particularly important when servicing high-end vehicles, where maintaining the manufacturer's original design is a priority.

Benefits of using the original pressure hose

Using a dedicated hose in the turbocharging system helps to limit typical problems associated with leaks, power drops, or unstable turbocharger operation. In practice, this translates into:

• more predictable engine throttle response,
• maintaining the correct boost pressure across the full RPM range,
• reducing the risk of the engine entering limp mode,
• better cooperation with the factory engine control unit. For Audi A8 D3 users, choosing an original solution is also beneficial for future diagnostics – the airflow parameters remain consistent with the manufacturer's specifications, which facilitates the interpretation of data from service testers.

Condition, origin, and service application

The component comes from an Audi brand vehicle and is offered as a part from the Intercoolers category, intended for reinstallation in the turbocharging system. Thanks to the preservation of the factory shape and connections, the hose will work well both for standard replacement of a worn-out line and for comprehensive intake service in the 3.0 engine. This is a practical choice for workshops specializing in the Audi brand and individual users who expect compliance with factory specifications without the need to adapt universal replacements.

Technical support and additional information

When working on the turbocharging and air cooling system, it is worth paying attention to the general condition of the engine cooling system, as engine overheating can accelerate the wear of rubber and plastic components. More practical tips regarding diagnostics and the impact of operating temperature on component durability can be found in the article Engine cooling system – overheating, repair, and used radiators. If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as pressure hoses, intake pipes, or air routing elements for the intercooler, check the available parts in the Audi Intercoolers category.