Audi A6 C7 A7 4G Gearbox Oil Pressure Feed Cooler Pipe Hose Line 4G0317818T

Audi A6 C7 A7 4G Gearbox Oil Pressure Feed Cooler Pipe Hose Line is an original component from the Oil coolers and lines group, designed for the precise transport of pressurized oil in an automatic transmission. This used pipe allows for an economical yet technically correct repair of the transmission lubrication and cooling system in premium Audi vehicles.

Specifications and technical data

• SKU: 4G0317818T
• Mark: Audi
• Condition: Used
• OEM Part Number: 4G0317818T
• Substitutable numbers: 4G0317818T, 4G0 317 818 T
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function of the oil pressure pipe

The gearbox oil pressure pipe in Audi A6 C7 and A7 4G models is responsible for the stable flow of operating oil between the gearbox and the cooling system components. A properly functioning pipe:

• maintains the required oil pressure in the automatic transmission,
• supports effective oil cooling by working in conjunction with the cooler,
• reduces the risk of overheating and excessive wear of gearbox components,
• ensures predictable operation of the drivetrain in daily use. Thanks to its factory-fit design for the specific generation of Audi A6 and A7, the pipe maintains the correct routing geometry and compatibility with original mounting points.

Benefits of using an original Audi pipe

Using an original oil pressure pipe in the transmission system provides measurable service and operational benefits. Being from the same production line as the vehicle's factory equipment, this component guarantees:

• a secure fit to the cooling and lubrication system without the need for modifications,
• preservation of factory oil flow parameters,
• reduced risk of leaks at joints and connectors,
• consistency with other components of the Audi drivetrain. This solution is particularly beneficial for automatic transmission repairs, where stable oil pressure has a direct impact on shift quality and transmission durability.

Condition, verification, and practical service application

The offered pipe is a used part sourced from dismantling, which allows for lower repair costs while maintaining the manufacturer's original specifications. This type of part is frequently chosen by workshops specializing in Audi service when it is necessary to replace a damaged or leaking pipe in the gearbox oil cooling system. Before installation, standard workshop procedures are recommended: checking for leaks, inspecting the condition of the ends, and verifying the correct routing of the pipe relative to other drivetrain components. A properly installed pipe supports stable gearbox operation, especially in vehicles used in urban conditions and on long-distance trips.

Importance of a functional gearbox oil cooling system

The oil cooling system – for both the engine and the gearbox – is crucial for the longevity of the powertrain. In the case of Audi automatic transmissions, efficient oil flow through the pipes and cooler reduces overheating, which translates into less wear on clutch plates, valves, and mechatronics. You can find more about the impact of cooling on component durability in the article Engine cooling system – overheating, repair, and used coolers, which discusses practical aspects of cooling system maintenance.

System expansion and related parts

If you are planning a comprehensive repair or upgrade of the gearbox cooling and lubrication area in your Audi and need other items from the same group, such as additional oil lines, connection elements, or oil coolers, check out the available parts in the Audi oil coolers and lines category. For users interested in the broader context of Audi drivetrain operation – especially in all-wheel-drive vehicles – the material comparing AWD solutions from different brands may also be helpful: xDrive, 4Matic, quattro, or 4Motion – a comparison of AWD systems from BMW, Mercedes, Audi, and VW. It allows for a better understanding of how stable lubrication and cooling of the transmission affect the reliability of the entire drivetrain.

Summary

Audi A6 C7 A7 4G Gearbox Oil Pressure Feed Cooler Pipe Hose Line is a practical solution for drivers and workshops looking to restore the proper operation of the transmission cooling and lubrication system while maintaining the manufacturer's original specifications. This used, original component from the Oil coolers and lines category allows for a technically correct repair, supporting long-term and stable operation of the gearbox in Audi A6 C7 and A7 4G models.