Audi A5 8T Turbine Lubrication Inlet Oil Feed Line Pipe 059145736D

The Audi A5 8T Oil Return Hose is an original part from the Oil Coolers and Hoses group, designed for the lubrication system in Audi vehicles. A used OEM component helps maintain factory oil flow characteristics, contributing to stable engine operation and proper interaction with the oil cooler.

Specifications and technical data

• SKU: 059145736D
• Mark: Audi
• Condition: Used
• OEM Part Number: 059145736D
• Substitutable numbers: 059145736D, 059 145 736 D
• Category: Engine Oil Coolers & Lines

Purpose and Technical Function

The Audi A5 8T oil return hose is responsible for draining oil back into the lubrication system after it has passed through the oil cooler or other parts of the oil circuit. A correctly selected hose:

• maintains the correct direction and stability of oil flow,
• supports efficient heat dissipation from the system,
• reduces the risk of pressure drops caused by leaks or an incorrect hose cross-section.

By retaining its original geometry and connections, this part allows for precise integration into the factory lubrication system of the Audi A5 8T generation.

Benefits of Using an Original Oil Return Hose

Choosing a component from the Oil Coolers and Hoses group in OEM version offers a range of practical advantages for everyday use:

• maintains the original hose routing, minimizing the risk of rubbing against other engine bay components,
• compatibility with original mountings and connectors,
• consistency with the oil cooling system operating parameters specified by the manufacturer.

This solution is particularly important for engines where the lubrication system operates under high thermal load, and stable oil return impacts engine durability.

Installation and Operational Characteristics

The oil return hose in this series is designed as a direct-fit component for the Audi oil system. Appropriately selected connection diameters and factory hose length facilitate servicing and reduce the need for additional modifications. A used component allows for economical repair while maintaining the original design specifications.

In practice, this means that with correct installation, proper oil circulation in the engine can be restored, which helps maintain stable operating temperatures and reduces the risk of leaks at the hose connections.

Technical Support and Selection of Oil Cooling System Components

During the summer season, the lubrication and oil cooling system is particularly susceptible to thermal overload. To better understand the relationships between ambient temperature, oil cooler operation, and overall engine condition, it is worth consulting our guide: Summer Heat vs. Cooling System – How Used Cooling Components Help in Economical Operation. You will find practical tips on operating and selecting used components there.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other parts from the same group, such as oil lines, oil coolers, or additional return sections, check the available parts in the Audi Oil Coolers and Hoses category.