Audi A6 C6 Gearbox Transmission Oil Cooling Hose Line Pipe 4F0317818S

Audi A6 C6 Gearbox Transmission Oil Cooling Hose Line Pipe is an original component from the Oil coolers and lines group, designed for operation in the automatic transmission oil cooling system. It ensures stable routing of the cooling medium between the gearbox and the oil cooler, which translates into safe operating temperatures for components and predictable drivetrain performance.

Specifications and technical data

• SKU: 4F0317818S-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 4F0317818S
• Substitutable numbers: 4F0317818S, 4F0 317 818 S
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Purpose and function in the drivetrain

The Audi A6 C6 Gearbox Transmission Oil Cooling Hose Line Pipe is responsible for the controlled flow of transmission fluid through the cooler, stabilizing the gearbox operating temperature during city driving, highway travel, and under increased load conditions. A properly selected and leak-free component of this type reduces the risk of overheating, loss of oil lubricating properties, and accelerated transmission wear. Thanks to its factory geometry and fitment for the specific Audi platform, the hose maintains proper alignment with other components, minimizing stress, vibrations, and the possibility of contact with hot or moving parts in the engine bay.

Benefits of using an original Audi hose

Using an original Audi A6 C6 Gearbox Transmission Oil Cooling Hose Line Pipe allows you to maintain the integrity of the entire drivetrain. A component designed by the vehicle manufacturer is characterized by:

• precise fitment to factory mounting points,
• properly selected internal diameter for correct oil flow,
• construction adapted for operation under high temperature and pressure,
• compatibility with the original oil cooler and gearbox. Such a solution facilitates installation, reduces service time, and limits the risk of leaks, which is particularly important in the case of transmission lubrication and cooling systems.

Characteristics of the used component

The offered hose comes from dismantling and has the status of a used original component. For many Audi users, this is a reasonable compromise between repair costs and maintaining the factory system specification. A used OEM component allows for maintaining consistency with the vehicle's design while reducing expenses compared to a new part. Before installation, it is recommended to perform a standard verification of the external condition, connection ports, and any mounting points, as well as to use new seals in accordance with the vehicle manufacturer's service procedure.

Installation and operational tips

To ensure the Audi A6 C6 Gearbox Transmission Oil Cooling Hose Line Pipe operates stably, it is worth paying attention to several aspects during installation:

• routing the hose according to the factory path, without twists or kinks,
• proper seating of the connectors in the oil cooler and gearbox housing,
• checking for leaks after starting the engine and warming up the system,
• regular monitoring for any leaks during operation. Such an approach helps maintain a stable transmission oil temperature, which promotes longer gearbox life and predictable drivetrain performance in daily use.

Cooling system expansion and additional information

In the summer season, the entire vehicle's cooling system, including engine and transmission oil circuits, operates under particularly demanding conditions. It is worth familiarizing yourself with practical tips regarding operation and selection of cooling components, which you will find in the guide Summer heat vs. cooling system: used radiators and fans as a guarantee of savings. This is a helpful supplement to your knowledge when planning service work related to cooling in your car. If you are planning a comprehensive repair or upgrade of the oil cooling area in your Audi and need other components from the same group, such as hoses, oil coolers, or additional installation sections, check the available parts in the category Audi oil coolers and lines.