Audi A4 B8 A5 8T Turbine Cooling Hose Line Pipe 1.8 TFSI 06H121497A

Audi A4 B8 A5 8T Turbine Cooling Hose Line Pipe 1.8 TFSI is a component from the Turbochargers and parts group, designed for the turbine cooling system in the 1.8 TFSI petrol engine. It is responsible for the stable flow of coolant, which helps maintain the correct operating temperature of the turbine and reduces the risk of overheating.

Specifications and technical data

• SKU: 06H121497A-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H121497A
• Substitutable numbers: 06H121497A, 06H 121 497 A, 06H121497F, 06H 121 497 F
• Part type: Turbocharger Hose
• Rim width: 8
• Category: Turbos & Parts

Purpose and function in the turbine cooling system

The turbine cooling hose in Audi A4 B8 and A5 8T models with the 1.8 TFSI unit is a component responsible for transporting coolant between the turbocharger and the rest of the engine cooling system. A properly selected hose helps maintain stable thermal conditions in the turbine area, which promotes the longevity of the rotor components, housing, and seals.

The proper geometry of the hose and matched connection diameters facilitate installation at factory mounting points without the need for system modifications. As a result, replacing a worn or leaking component with this hose allows for the restoration of proper coolant circulation in the turbine area.

Technical characteristics and fitment

The offered hose belongs to the Turbochargers and parts group, meaning it has been designed to operate at elevated temperatures and under variable thermal loads. The design of the hose is adapted to the specific routing of the installation in the engine compartment of the Audi A4 B8 and A5 8T with the 1.8 TFSI unit, taking into account limited space and the proximity of other components.

The product has an assigned OEM part number and interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. This allows for precise matching of the hose to the existing turbocharger and cooling system, minimizing the risk of ordering errors.

Product condition and practical application

The hose is offered as a used component, which allows for an economical repair of the turbine cooling system while maintaining the original assembly specifications. For many users, this is a reasonable solution in situations where the existing hose has suffered from corrosion, mechanical damage, or leaks.

Replacing the turbine cooling hose is particularly recommended when symptoms such as coolant leaks near the turbocharger, a drop in coolant level without visible causes, or signs of overheating of components near the turbine appear. Using a properly matched hose helps restore the thermal stability of the system and reduce the risk of more serious failures.

Benefits of using the turbine cooling hose

Using the correct turbine cooling hose in an Audi A4 B8 or A5 8T with a 1.8 TFSI engine provides a number of practical benefits:

• maintaining the proper operating temperature of the turbine and adjacent components,
• reducing the risk of overheating and accelerated wear of the turbocharger,
• limiting coolant leaks in high-temperature areas,
• preserving the factory routing of hoses in the engine compartment,
• easier diagnostics of potential cooling system faults.

Additionally, the hose can be used both during standard service maintenance and during work related to the modernization or regeneration of the turbocharger, where maintaining the correct coolant circulation is crucial.

Integration with other turbocharging system components

The turbine cooling hose works with other components of the turbocharging and engine cooling system, such as the turbine housing, connection fittings, return lines, and mounting elements. Proper fitment of this component is important for the tightness of the entire system and even temperature distribution in the turbine area.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as turbine oil lines, connection fittings, or additional cooling pipes, check out the available parts in the Audi Turbochargers and parts category.

Safe selection of used cooling system components

When choosing a used turbine cooling hose, it is worth paying attention to compliance with the OEM part number and interchangeable numbers, as well as the general condition of the component. Proper verification before installation helps avoid problems with leaks or mismatched connections.

To better prepare for your purchase and avoid common mistakes when choosing used components for the turbocharging system, it is worth reading the guide Buying used car parts • Most common mistakes when choosing tuning parts, which discusses key aspects of selecting and assessing the condition of components.