Audi S5 8T Gearbox Transmission Oil Cooling Pipe Hose Line 8K0317818BG

Audi S5 8T Gearbox Transmission Oil Cooling Pipe Hose Line is a component from the Oil coolers and lines group, designed for the lubrication system in cars with petrol engines. It is responsible for the stable routing of oil under pressure, which has a direct impact on the durability of the power unit and the efficiency of the oil cooling system. Thanks to its factory geometry and connectors, the pipe ensures proper medium flow under demanding engine operating conditions.

Specifications and technical data

• SKU: 8K0317818BG
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0317818BG
• Substitutable numbers: 8K0317818BG, 8K0 317 818 BG
• Fuel type: Petrol
• Category: Oil Coolers & Lines

Purpose and function in the lubrication system

Audi S5 8T Gearbox Transmission Oil Cooling Pipe Hose Line operates within the engine oil circuit, connecting components responsible for cooling and lubricating the power unit. In petrol vehicles of this class, stable oil pressure is crucial for protecting the bearings, crankshaft, and timing components, which is why a properly selected pipe minimizes the risk of pressure drops and leaks.

The element has been designed to work at elevated temperatures and under variable loads, typical for engines with a sporty character. The appropriate stiffness of the pipe limits its deflection, and the tailored shape facilitates routing in the engine bay without colliding with other components.

Benefits of using an original Audi oil pipe

Using a pipe from the Oil coolers and lines group dedicated to a specific Audi model allows for maintaining the factory operating parameters of the lubrication system. In practice, this means:

• proper oil flow under high petrol engine load,
• reduced risk of leaks thanks to matched ends and pipe diameter,
• maintaining stable oil temperature through proper cooperation with the oil cooler,
• easier diagnostics and service due to compliance with manufacturer documentation.

For the user, this means more predictable behavior of the power unit and a lower risk of costly failures resulting from insufficient lubrication.

Characteristics of the used component

The offered pipe belongs to the group of used parts, which allows for economical repair while maintaining the original design. This type of component, sourced from dismantling, is particularly attractive for higher-power models, where new oil system elements can be expensive. A used pressure pipe, selected according to the manufacturer's part number, enables the restoration of proper system operation without interfering with its design.

Choosing an original, used pipe is also beneficial in terms of fitment – the geometry, length, and type of connectors correspond to factory specifications, which facilitates installation and reduces vehicle downtime in the workshop.

Installation and operational tips

When replacing an oil pipe in an Audi with a petrol engine, it is worth paying attention to several technical aspects:

• checking the condition of the sockets and connectors at the installation site,
• replacing seals accompanying the pipe if recommended by the manufacturer,
• thoroughly cleaning the connection areas of oil residues and contaminants,
• checking the system for leaks after the first engine start.

Such an approach allows for fully utilizing the potential of the pressure pipe and reduces the risk of needing to interfere with the lubrication system again shortly after the repair.

Expanding the oil cooling system in an Audi

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 additional oil pipes, return sections, or oil cooler connections, check the available parts in the Audi oil coolers and lines category.

To better understand how the condition of the cooling system affects the durability of the oil and the entire engine at high temperatures, it is worth reading the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings, which discusses the practical aspects of operating and selecting cooling components.

If you are considering whether original, aftermarket, or used parts are a better choice in your case, the article Original, aftermarket, or used – which car parts are the most cost-effective? may be helpful, describing the differences in costs, quality, and fitment of oil system elements and other components.