Audi A5 S5 8T Gearbox Transmission Oil Cooling Pipe Hose Line 8K0317817BG

The Audi A5 / S5 8T Gearbox Oil Cooling Hose is an original drivetrain component designed for precise gearbox oil drainage and return between the gearbox and the oil cooler. This used component from the Audi range ensures a factory fit, stable flow parameters, and safe operation of the automatic or automated transmission under demanding road conditions.

Specifications and technical data

• SKU: 8K0317817BG
• Mark: Audi
• Condition: Used
• OEM Part Number: 8K0317817BG
• Substitutable numbers: 8K0317817BG, 8K0 317 817 BG
• Part type: Oil Cooler Hose
• Category: Oil Coolers & Lines

Purpose and Role in the Gearbox Oil Cooling System

The Audi A5 S5 8T Gearbox Oil Cooling Hose operates within the gearbox oil circuit, connecting the gearbox to the oil cooler. It is responsible for:

• stable transport of gearbox oil under the correct pressure,
• maintaining optimal gearbox operating temperature through cooperation with the oil cooler,
• reducing the risk of gearbox overheating during traffic jams, highway driving, or when under load.

A properly functioning hose in the Oil Coolers and Hoses category is crucial for transmission durability, smooth gear changes, and protecting internal gearbox components from excessive wear.

Construction, Fit, and Installation in Audi A5 / S5 8T

The original oil cooling hose has been specifically designed for the body and drivetrain geometry of the Audi A5 / S5 8T series. This ensures:

• factory oil line routing – the hose path is adapted to the vehicle's mounting points and heat shields,
• engineered diameters and cross-sections ensuring proper oil flow,
• compatible ends and connectors for integration with the oil cooler and gearbox housing.

This solution simplifies installation for mechanics, reduces the risk of leaks, and eliminates the need for modifications typical of universal aftermarket parts.

Benefits of Using an Original Oil Cooling Hose

Choosing an original hose from the Oil Coolers and Hoses range for Audi vehicles offers a number of practical benefits:

• maintaining factory gearbox operating parameters – correct oil flow and cooling,
• reducing the risk of leaks thanks to precisely fitted connectors and appropriate hose stiffness,
• stable gearbox oil temperature, contributing to longer transmission lifespan,
• seamless integration with the existing system without the need for installation modifications.

This solution is particularly recommended for symptoms such as gearbox overheating, error messages related to oil temperature, or visible signs of leaks around the oil cooler and oil lines.

Used Condition and Operational Aspects

This component is from a dismantled Audi vehicle and is offered as a used OEM part. This type of part allows for an economical repair of the gearbox oil cooling system while maintaining original manufacturing quality. Before installation, it is recommended to:

• verify the tightness and condition of the connectors by a mechanic,
• inspect the mountings and brackets for correct hose routing,
• check the level and quality of the gearbox oil after replacement is complete.

This approach minimizes the risk of repeated interventions in the system and helps maintain stable gearbox operating conditions in the long term.

More Solutions from the Audi Oil Cooling Category and Technical Guide

If you are looking for other components from the Audi Oil Coolers and Hoses category, check out our dedicated offer: Audi Oil Coolers and Hoses. You will find a wide selection of oil cooling system components tailored to various models of this brand.

When planning maintenance work, it is also worth familiarizing yourself with the guide on the impact of temperature on the cooling system – practical tips can be found in the article “Summer Heat vs. Cooling System: Used Coolers and Fans Guarantee Savings”, which helps to better understand the relationships between operating temperature and drivetrain component durability.