Audi A4 B8 A5 8T 1.8 Petrol Exhaust Manifold 06H145701K

Audi A4 B8 A5 8T 1.8 Petrol Exhaust Manifold is an original component from the Exhaust manifolds group, designed for 1.8 petrol engines in Audi A4 B8 and Audi A5 8T models. The used manifold ensures factory-standard exhaust port geometry, which promotes stable engine operation and proper exhaust gas discharge from the cylinder head.

Specifications and technical data

• SKU: 06H145701K-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H145701K
• Substitutable numbers: 06H145701K, 06H 145 701 K
• Fuel type: Petrol
• Category: Manifolds & Headers

Purpose and compatibility

The presented exhaust manifold has been designed specifically for 1.8 petrol units in the Audi A4 B8 generation and the Audi A5 8T. Using an original design from the same model family ensures the correct alignment of exhaust ports, mounting points to the cylinder head, and the connection position for the rest of the exhaust system.

By maintaining factory geometry, the manifold supports proper cylinder filling, stable turbocharger operation (if present in the specific configuration), and uniform exhaust gas discharge, which is important for both performance and engine durability.

Technical and functional characteristics

As an element from the Exhaust manifolds category, this component is responsible for collecting exhaust gases from individual cylinders and directing them to the rest of the system. The manifold's construction is adapted to the thermal loads typical of petrol engines, ensuring adequate resistance to high temperatures and variable exhaust pressure.

In practice, this means:

• maintaining proper exhaust flow under both city and highway driving conditions,
• reducing the risk of leaks at the interface with the cylinder head and the rest of the exhaust system,
• stable operating conditions for sensors and measuring elements located in the exhaust system.

Choosing a manifold dedicated to a specific family of petrol engines facilitates installation and minimizes the risk of fitment issues.

Condition, application, and benefits of installation

The item comes from dismantling and is offered as a used Audi exhaust manifold, which is a cost-effective solution for users looking for a factory component at a reasonable price. Compared to aftermarket replacements with uncertain geometry, an original manifold from the same model platform allows for maintaining performance parameters close to factory specifications.

Replacing the exhaust manifold is particularly recommended in situations where the following occur:

• noticeable exhaust leaks near the cylinder head,
• cracks or deformations of the old manifold,
• problems with maintaining the tightness of the exhaust system.

Using an original component helps reduce noise, improve engine refinement, and decrease the risk of additional thermal stress on adjacent components.

Audi exhaust manifolds – expansion and service

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional manifolds, connection sections, or mounting hardware, check out the available parts in the Audi exhaust manifolds category.

For users who want to better understand the impact of the manifold on exhaust flow, performance, and engine characteristics, we have prepared a practical guide – more information can be found in the article Performance exhaust system: used manifolds and sports catalytic converters on the road.

Summary

Audi A4 B8 A5 8T 1.8 Petrol Exhaust Manifold is a sensible choice for drivers who want to restore the proper operation of the exhaust system while maintaining the factory design. An original, used component from the same model group ensures proper fitment, predictable behavior under high-temperature conditions, and stable exhaust flow parameters, which translates into trouble-free vehicle operation.