Audi A4 B9 A5 F5 A6 C8 Q7 4M Turbocharger Oil Pipe Hose Line 2.0 TFSI 06N145735C

Audi A4 B9 A5 F5 A6 C8 Q7 4M Turbocharger Oil Pipe Hose Line 2.0 TFSI is an original component from the Turbochargers and parts category, designed for precise oil delivery to the turbocharger in the 2.0 TFSI engine. Thanks to its factory geometry and proper oil channel routing, it ensures stable lubrication of the forced induction system, which translates into safe turbocharger operation and correct engine performance characteristics.

Specifications and technical data

• SKU: 06N145735C
• Mark: Audi
• Condition: Used
• OEM Part Number: 06N145735C
• Substitutable numbers: 06N145735C, 06N 145 735 C
• Part type: Turbocharger
• Category: Turbos & Parts

Purpose and function of the turbo oil pipe

The turbo oil pipe in the 2.0 TFSI engine is responsible for the controlled supply of engine oil to the turbocharger bearings. A correctly selected and leak-free component:

• stabilizes the operating conditions of the rotor and turbine bearings,
• reduces the risk of overheating the forced induction system,
• minimizes the possibility of leaks in the oil circuit,
• supports the maintenance of proper oil pressure throughout the engine. For 2.0 TFSI units used in Audi A4 B9, A5 F5, A6 C8, and Q7 4M models, using a pipe with factory specifications is crucial for maintaining predictable turbocharger performance and avoiding premature component wear.

Benefits of using an original Audi component

The offered pipe comes from the Audi line, which means maintaining factory flow parameters and mounting fitment. In practice, this translates into:

• secure fitment with the ports in the engine block and turbine housing,
• compatibility with factory mounting points in the engine bay,
• appropriate resistance to temperature and operating pressure in the lubrication system,
• preservation of the original pipe routing, reducing stress and vibrations. As a result, the pipe can be used both for standard replacement of a worn part and during turbocharger system repairs following a turbine failure, ensuring consistency with other components.

Installation characteristics and part condition

The item is in the Turbochargers and parts category, meaning it was designed to operate in the immediate vicinity of hot exhaust system components and under high thermal load. As a used part, the pipe is intended for service installation in vehicles where it is required to restore the factory configuration of the turbine lubrication system without resorting to unreliable replacements with unknown flow characteristics. Before installation, a standard service procedure is recommended: checking the connection ports, replacing seals in accordance with technical documentation, and flushing the oil system if the pipe replacement is part of a larger turbocharger repair.

Application in the 2.0 TFSI forced induction system

In 2.0 TFSI engines, the turbine oil pipe has a direct impact on the durability of the entire forced induction system. A properly functioning component:

• ensures uniform lubrication under variable engine loads,
• reduces the risk of turbine bearing seizure at high rotational speeds,
• supports the maintenance of stable operating parameters during long-term use,
• allows for the preservation of factory engine performance without unwanted power drops. For owners of Audi A4 B9, A5 F5, A6 C8, and Q7 4M models, choosing a pipe with original specifications is particularly important for repairs performed on vehicles driven dynamically or on long routes, where the forced induction system operates under an increased thermal regime.

Turbocharger service expansion and related content

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 turbine oil lines, supply fittings, or forced induction mounting elements, check the available parts in the Audi Turbochargers and parts category. For post-collision repairs, when shielding and structural elements in the engine bay are also damaged, it is worth considering the use of verified components from the secondary market. You can find more about when used components may be a better choice than low-quality replacements in the article: Post-accident repair of your car: why are used body parts a better choice than replacements?.