Audi Q5 8R Gearbox Oil Cooler Pressure Pipe Line Hose 2.0 TDI Diesel 8R0317826K

Audi Q5 8R Gearbox Oil Cooler Pressure Pipe Line Hose 2.0 TDI is an original transmission oil cooling system component designed for diesel engines. Thanks to its factory-fit design, it ensures stable oil pressure and predictable operating conditions for the automatic or automated transmission in the Audi Q5 8R generation with a diesel engine.

Specifications and technical data

• SKU: 8R0317826K
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0317826K
• Substitutable numbers: 8R0317826K, 8R0 317 826 K
• Fuel type: Diesel
• Part type: Oil Cooler Line
• Category: Oil Coolers & Lines

Function of the gearbox oil cooler pipe

The oil pipe in the transmission cooling system is responsible for transporting transmission oil between the gearbox and the cooler. A properly selected component:

• maintains the correct ATF flow in the cooling circuit,
• stabilizes transmission operating temperature under load,
• reduces the risk of overheating and degradation of lubrication quality,
• minimizes the risk of leaks at the connections with the cooler and the gearbox housing. In the case of 2.0 TDI diesel units, where torque is high, a functional oil pipe has a direct impact on the transmission service life and the smoothness of gear shifts.

Designed for Audi Q5 8R with a diesel engine

The described pipe has been designed specifically for the Audi Q5 8R platform with a diesel engine, which means:

• geometry matched to the factory routing in the engine bay,
• compatibility with original mounting points and connectors,
• operation within the temperature and pressure ranges typical for the oil cooling system in 2.0 TDI versions. As a result, installation is straightforward, without the need for modifications or the use of adapters, and the oil cooling system maintains parameters close to factory specifications.

Characteristics of the used component

The pipe comes from dismantling, which allows for maintaining the original manufacturer's specification at a lower cost compared to a new part. For many Audi Q5 8R owners, this is a sensible solution when:

• repairing oil leaks around the gearbox oil cooler,
• addressing corrosion or mechanical damage to the pipes,
• restoring system efficiency after transmission overheating. Choosing an original, used pipe allows for maintaining material consistency with other system components and avoiding fitment issues typical of universal aftermarket replacements.

Audi oil coolers and pipes – expansion and service

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

Safe use of used parts for oil leaks

When diagnosing oil leaks around the gearbox or cooler, it is worth knowing the typical symptoms and the scope of work that can be safely performed using secondary market components. A detailed discussion of this topic, along with examples of lubrication and cooling system repairs, can be found in the article Operational failures and costs: how to repair a car using used auto parts?.

Summary

Audi Q5 8R Gearbox Oil Cooler Pressure Pipe Line Hose 2.0 TDI is a practical solution for diesel engine users who want to restore the proper operation of the transmission oil cooling system while maintaining original specifications. Using a factory component from dismantling allows for a technically correct repair without interfering with the installation design, which translates into stable transmission operation and predictable vehicle operating conditions.