Audi A4 B7 2.0 TDI Turbocharger Oil Feed Pipe Hose Lubrication 028145736AH

The Audi A4 B7 2.0 TDI Turbocharger Oil Hose is an original turbocharger and parts component designed for the turbocharging system of the 2.0 TDI diesel engine. It ensures a stable oil supply to the turbine, which is crucial for its durability and safe operation.

Specifications and technical data

• SKU: 028145736AH
• Mark: Audi
• Condition: Used
• OEM Part Number: 028145736AH
• Substitutable numbers: 028145736AH, 028 145 736 AH
• Category: Turbos & Parts

Purpose and function of the oil line

The turbocharger oil line for the Audi A4 B7 2.0 TDI transports engine oil to the turbine bearings, creating a stable lubricating film and removing heat from the rotor. A properly selected line minimizes the risk of turbocharger seizure, power loss, and excessive exhaust smoke.

The original Audi OE design guarantees proper fit to the lubrication system, appropriate internal diameter and bend geometry, which reduces pressure drops and ensures even oil flow across the full engine load range.

Construction and advantages of using OE parts

As a turbocharger and parts component, the hose is designed to meet the specific requirements of the 2.0 TDI engine in the Audi A4 B7. This includes:

• factory mounting points, which facilitates installation and eliminates the need for modifications,
• maintaining the original cable route, reducing the risk of contact with hot exhaust system components,
• compatibility with factory connectors in the engine block and turbine housing.

Thanks to this, the hose cooperates with the lubrication system in a predictable manner and in accordance with the manufacturer's assumptions, which is particularly important when the turbine operates under high loads.

Used condition and assembly aspects

The hose offered is in used condition, allowing for cost-effective repair of the supercharger system while maintaining the original Audi specifications. This type of component, when properly maintained, retains its performance characteristics, and its use is a reasonable alternative to substitutes with unreliable parameters.

When installing it is recommended to:

• checking the internal cleanliness of the pipe before installation,
• replacement of seals at connection points,
• checking the correct positioning in relation to the exhaust manifold and heat shields.

A properly installed oil line reduces the risk of leaks, oil pressure drops and turbine overheating.

Benefits of using the original cable in the Audi A4 B7 2.0 TDI

The use of an oil line dedicated to the Audi A4 B7 2.0 TDI translates into:

• stable operation of the turbocharger by maintaining the correct pressure and oil flow,
• better protection of the drive unit against the effects of insufficient lubrication,
• consistency with the factory design – no interference with the original lubrication system.

For users who plan to perform comprehensive maintenance of the turbocharging system, the oil line is one of the key elements in preventing premature turbine wear.

Related Audi turbochargers and parts

If you're looking for other turbochargers and parts for Audi, check out our dedicated category: turbochargers and parts for Audi . This will help you easily assemble the components needed to service the turbocharger system in your Audi.

Technical knowledge and selection of components used

When selecting used components, it's worth following proven procedures and workshop practices. A resource describing the approach to repairs using disassembled parts can be helpful – you can find it here: Body and Bodywork – Accident Repairs Using Disassembled Parts . Although it focuses on the bodywork, it provides a good illustration of the principles of judicious use of genuine, used OEM parts.