Audi A5 S5 8T 4.2 V8 Combination Valve Adapter Pipe Hose Left N/S 079131165A

Audi A5 S5 8T 4.2 V8 Combination Valve Adapter Pipe Hose Left N/S is an original component from the Lines, hoses and pipes group, designed for precise operation within the 4.2 V8 engine system in Audi A5 / S5 8T models. Thanks to its factory-fit design for the specific engine configuration and vehicle side, it ensures a stable connection between the valve and other components, while facilitating system maintenance.

Specifications and technical data

• SKU: 079131165A
• Mark: Audi
• Condition: Used
• OEM Part Number: 079131165A
• Substitutable numbers: 079131165A, 079 131 165 A
• Location on the vehicle: Left
• Category: Hoses, Lines & Pipes

Technical application and function of the pipe

The presented pipe acts as a left-side valve adapter, responsible for the tight and stable routing of the operating medium within the 4.2 V8 engine system. The design, matched to the geometry of the Audi A5 / S5 8T engine bay, minimizes stress, the risk of abrasion, and leaks, which translates into predictable engine performance.

Its original Audi origin ensures the correct cross-section, shape, and mounting points, which is crucial when working in the demanding thermal and vibrational environment of a V8 engine. The adapter has been designed to work with factory brackets and valves without the need for any installation modifications.

Compatibility with Audi A5 / S5 8T 4.2 V8

The pipe has been prepared for use in 4.2 V8 units mounted in the 8T generation Audi A5 and S5. The left-side positioning ensures compatibility with the factory installation routing and provides appropriate clearance from heating and moving parts.

Such a fit reduces the risk of collision with other components, facilitates assembly and disassembly during service, and allows for maintaining the original routing of lines in the engine bay. For workshops and users, this means faster replacement and a lower risk of installation errors.

Characteristics of the used component

The item comes from the secondary market, which allows for economical repair while maintaining original Audi specifications. A used valve adapter pipe is a good solution in situations where the existing component has suffered mechanical damage, cracking, or deformation resulting from operation.

Choosing an original, used component from this group allows you to maintain the material and structural consistency of the entire system while reducing costs compared to purchasing a new part. This is particularly important in the case of advanced units, such as the 4.2 V8, where the precision of pipe and hose fitment has a direct impact on reliability.

Benefits of using the original adapter pipe

Using this pipe in an Audi A5 / S5 8T 4.2 V8 brings a number of practical benefits:

• maintenance of the factory installation routing in the engine bay,
• secure connection of the valve with other system components,
• reduction of the risk of leaks and incorrect medium routing,
• easier installation thanks to matched mounting points,
• consistency with other lines, hoses, and pipes in the vehicle.

For Audi owners, compliance with the factory design is particularly important, as it facilitates diagnostics, service, and subsequent technical inspections.

System expansion – other Audi lines, hoses and pipes

If you are planning a comprehensive repair or upgrade of the engine system area in your Audi and need other components from the same group, such as additional lines, flexible hoses, or rigid pipes for routing the operating medium, check out the available parts in the Audi lines, hoses and pipes category.

To better plan your car service budget and learn practical ways to save on original components from the secondary market, it is worth reading our guide: Repairing a Volkswagen on a budget? Discover how to save on original car parts.