Audi Q5 8R Automatic Gearbox Oil Pressure Pipe Hose Line 2.0 TDI 8R0317817AL

Audi Q5 8R Oil Pressure Hose Pipe Tube Automatic 2.0 TDI is a component from the Oil Coolers and Hoses group, designed for the lubrication system in vehicles with an automatic transmission. It is responsible for maintaining stable oil pressure, supporting proper cooling and lubrication of the transmission and diesel engine components. Thanks to its precise geometry and factory fit, the hose ensures a leak-free connection in the Audi Q5 oil system.

Specifications and technical data

• SKU: 8R0317817AL
• Mark: Audi
• Condition: Used
• OEM Part Number: 8R0317817AL
• Substitutable numbers: 8R0317817AL, 8R0 317 817 AL
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Function of the Oil Pressure Hose in Audi Q5 8R

The oil pressure hose in an automatic transmission plays a crucial role in the working oil circulation, cooperating with the oil cooler and other hoses in the same section. A properly selected component:

• maintains the required oil pressure in the automatic transmission lubrication and cooling system,
• limits the risk of pressure drops resulting from leaks or worn hoses,
• supports the stable operation of the torque converter and the hydraulic control of the gearbox.

For the 2.0 TDI unit with an automatic transmission, proper oil flow is essential for the durability of the entire drivetrain, therefore using a hose with factory flow characteristics and shape directly impacts operational safety.

Construction and Fit for the Oil Cooling System

The hose is designed as a component that works with the oil cooler and other components from the Oil Coolers and Hoses group. The hose's construction includes:

• routing the oil flow in a way that minimizes pressure drops and adverse turbulence,
• maintaining appropriate rigidity while being resistant to vibrations from the engine and gearbox,
• adaptation for operation at elevated oil temperatures and under variable load conditions.

A component configured in this way allows for stable oil system operating parameters, which translates into predictable performance of the automatic transmission in an Audi.

Application in Automatic Transmission

The hose is designed to work with an automatic transmission, where oil serves simultaneously as a lubricating, cooling, and working medium for the hydraulic control system. In practice, this means that:

• improper oil flow can cause jerking, delayed gear changes, or overheating of the transmission,
• a functional pressure hose limits the risk of leaks and pressure drops,
• maintaining adequate oil pressure supports smooth and predictable gear changes.

For the user, this translates into more stable drivetrain operation and reduced thermal load on the transmission components, which is particularly important for city driving and under increased load conditions.

Characteristics of a Used Part

The offered hose is a used part, allowing for an economical repair of the oil system while maintaining original operating characteristics. For pressure hoses, it is important to preserve factory mounting points and the correct oil line routing, which is why using an original component from a dismantled vehicle is often a preferred service solution.

Before installation, a standard inspection of the system for any oil contamination and verification of the condition of other hoses and the oil cooler are recommended to avoid recurrence of the fault due to other system components.

Technical Support and Related Components

To better understand the impact of oil hoses and coolers on the durability of the engine and gearbox, it is worth reading the guide on diagnostics and operation of oil and coolant cooling systems: Engine Cooling System – Overheating, Repair, and Used Coolers. The article discusses, among other things, the relationship between operating temperature and component lifespan, which is also important for oil hose servicing.

If you are planning a comprehensive repair or upgrade of the oil system area in your Audi and need other parts from the same group, such as return hoses, supply pipes, or components that work with the oil cooler, check the available parts in the Audi Oil Coolers and Hoses category.