Audi A4 B8 Automatic Gearbox Oil Cooling Pipe Hose Line 1.8 TFSI 8K0317826AJ

Audi A4 B8 Automatic Gearbox Oil Cooling Pipe Hose Line is an original drivetrain component designed specifically for use with an automatic transmission. By ensuring precise oil flow between the gearbox and the cooler, it provides stable operating conditions for the transmission and helps maintain its durability at the appropriate level. This is a practical service solution for users who want to maintain the factory performance characteristics of their gearbox.

Specifications and technical data

• SKU: 8K0317826AJ
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0317826AJ
• Substitutable numbers: 8K0317826AJ, 8K0 317 826 AJ
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Function and role in the oil cooling system

The pipe belongs to the Oil coolers and hoses group and is responsible for the controlled flow of transmission oil between the automatic gearbox and the heat exchanger. A properly selected component in this area:

• stabilizes the operating temperature of the automatic transmission,
• reduces the risk of transmission oil overheating,
• supports smooth gear shifting during daily operation,
• maintains system tightness thanks to precisely fitted connectors.

For the 1.8 TFSI unit in the Audi A4 B8, proper gearbox oil cooling has a direct impact on the drivetrain's refinement and the service life of internal components.

Dedicated to Audi A4 B8 1.8 TFSI with automatic transmission

The component has been designed for a specific Audi model configuration, which translates into precise geometry, correct length, and proper mounting points. As a result, installation is straightforward, without the need for modifications or fitting universal solutions.

Automatic transmissions require stable thermal conditions, which is why using a pipe with factory specifications is particularly important in vehicles used in city traffic, on highways, and under higher thermal loads.

Benefits of using an original oil cooling pipe

Using an original oil cooling pipe in an Audi A4 B8 provides a number of practical service benefits:

• Factory fitment – compatibility with the routing layout and body mounts,
• preservation of the oil flow rate designed by the manufacturer,
• reduced risk of leaks at critical connection points,
• easier diagnostics of potential future faults due to maintaining the original system configuration.

This solution is particularly beneficial for users who want to keep their vehicle in a configuration close to factory standards, without experimenting with replacements of uncertain parameters.

Condition, origin, and service application

The offered pipe comes from the Audi brand and is a used component, which allows for economical repair while maintaining original technical specifications. This type of part is suitable both for planned oil cooling system maintenance and for addressing leaks, mechanical damage, or corrosion on existing lines.

When selecting, it is worth paying attention to compatibility with the gearbox type and the vehicle's engine version. This ensures the pipe will work with the system without the need for additional modifications.

Technical support and additional materials

If you are planning a comprehensive repair or upgrade of the oil cooling system area in your Audi and need other components from the same group, such as return lines, supply lines, or additional sections connecting to the cooler, check out the available parts in the Audi oil coolers and hoses category.

To better understand the impact of an efficient cooling system on the durability of the powertrain and accessories, it is worth reading the guide on our blog: Engine cooling system – overheating, repair, and used radiators. You will find practical tips on diagnosing overheating and the importance of oil coolers in modern designs.