Audi SQ5 FY Automatic Gearbox Oil Cooler Hose Line Tube Pipe 8W0317817A

Audi SQ5 FY Automatic Gearbox Oil Cooler Hose Line Tube Pipe is a specialized component from the Oil coolers and lines category, designed for the automatic transmission lubrication system in the diesel engine version. It is responsible for the safe routing of transmission fluid between the gearbox and the cooling system, which is crucial for stable drivetrain operation and component durability.

Specifications and technical data

• SKU: 8W0317817A
• Mark: Audi
• Condition: Used
• OEM Part Number: 8W0317817A
• Substitutable numbers: 8W0317817A, 8W0 317 817 A
• Fuel type: Diesel
• Gearbox type: Automatic
• Category: Oil Coolers & Lines

Purpose and function in the drivetrain

The automatic transmission oil line in the Audi SQ5 FY operates in a demanding environment of high temperature and pressure, characteristic of diesel-powered units. Its task is to maintain a stable flow of transmission fluid between the gearbox and the oil cooler, which reduces overheating and supports the proper operation of the automatic transmission.

A properly selected oil line helps to:

• maintain the optimal oil temperature in the automatic transmission,
• minimize the risk of pressure drops in the oil circuit,
• reduce wear on friction and hydraulic components inside the transmission,
• ensure stable system operation during the dynamic driving typical of the SQ version.

Compatibility with diesel engine and automatic transmission

The component has been designed to work with a diesel powertrain and an automatic transmission, which means it is matched to the torque characteristics and thermal conditions typical of this drivetrain setup. As a result, the line is properly prepared for operation under higher loads, frequent gear changes, and long-term highway use.

Choosing a line dedicated to a specific drivetrain configuration reduces the risk of leaks, incorrect oil routing, or problems with system venting. This, in turn, translates into stable automatic transmission operation and predictable vehicle behavior during acceleration and gear shifts.

Used part application and service aspects

Choosing a used oil line for the Audi SQ5 FY is a solution that allows for cost optimization of repairs while maintaining the original geometry and fit to the factory oil cooling system. This type of component is particularly useful for:

• repairs after oil leaks near the cooler or gearbox,
• servicing the system after a collision in the front of the vehicle,
• comprehensive automatic transmission maintenance combined with oil and filter changes.

The original line from the Oil coolers and lines group facilitates installation thanks to factory mounting points and correct routing relative to other engine bay components, which reduces the risk of chafing and stress during operation.

Importance of a functional oil cooling system

A functional oil circuit in an automatic transmission has a direct impact on drivetrain refinement, smoothness of gear shifts, and the service life of the entire system. A leaking or damaged line can lead to oil loss, increased transmission operating temperature, and accelerated wear of internal components. Therefore, replacing the line at the first signs of corrosion, cracks, or oil seepage is an essential part of preventive maintenance.

If you want to better understand how the cooling system and oil coolers affect the durability of the power unit, it is worth checking out our guide: Engine cooling system – overheating, repair, and used radiators. This will allow you to better plan the maintenance of the entire thermal system in your car.

Service expansion within the oil system

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

This approach allows you to inspect and potentially replace several related components in one service stage, which reduces the risk of further vehicle downtime and makes it easier to maintain a consistent repair history within the transmission oil lubrication and cooling system.