Audi A4 B8 1.8 TFSI CDHA Petrol Engine Cylinder Head 06H103064K

Audi A4 B8 1.8 TFSI CDHA Petrol Engine Cylinder Head is an original part from the Cylinder Heads group, designed for Audi petrol units. This used cylinder head provides a solid foundation for professional engine repair or refurbishment, helping to restore the proper operation of the combustion system and the tightness of the combustion chamber. It is a solution for users looking for parts with factory geometry and a precise fit for the specific 1.8 TFSI CDHA engine variant.

Specifications and technical data

• SKU: 06H103064K
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H103064K
• Substitutable numbers: 06H103064K, 06H 103 064 K
• Fuel type: Petrol
• Category: Cylinder Heads

Purpose and compatibility with the 1.8 TFSI CDHA unit

The presented cylinder head is structurally adapted to the 1.8 TFSI petrol engine with the CDHA code, used in the Audi A4 B8. This ensures the correct layout of intake and exhaust ports, proper placement of spark plug sockets, and compatibility with the accessories intended for this unit. As a result, the cylinder head can be used as a base for an engine overhaul or to replace a damaged component without the need for modifications to the engine block or accessories.

Technical characteristics of the cylinder head

The cylinder head in a TFSI engine is responsible for precise valve guidance, combustion chamber tightness, and the correct flow of the air-fuel mixture and exhaust gases. In practice, this translates into:

• maintaining the correct compression ratio and stable operation of the petrol unit,
• proper cooperation with the ignition and fuel injection systems,
• adequate cooling of the valve and seat area,
• the ability to maintain factory power and torque parameters after proper installation.

By maintaining the original geometry of the ports and the arrangement of mounting elements, the cylinder head allows for the installation of standard accessories without interfering with the engine structure. This is important both for standard repairs and more advanced service work.

Condition, potential for refurbishment, and service application

The item is offered as a used cylinder head, making it an attractive cost-effective solution compared to new components. In practice, such components are most often used as a base for:

• comprehensive cylinder head refurbishment (resurfacing, valve seat machining, leak testing),
• replacing a damaged housing while retaining existing accessories,
• restoring engine performance after mechanical failure or overheating.

Before installation, a standard workshop procedure is recommended: checking the flatness of the mating surface, inspecting oil and coolant channels, and verifying the condition for further machining. This process allows for fully utilizing the part's potential and achieving stable, repeatable engine performance.

Benefits of using an original Audi cylinder head

Choosing an original Audi cylinder head for the 1.8 TFSI CDHA engine provides several significant advantages from a service and operational perspective:

• Factory fit – maintaining original mounting points, channels, and sockets facilitates installation and reduces the risk of compatibility issues.
• Consistency with other engine components – the cylinder head works seamlessly with the block, ignition system, and accessories intended for this engine version.
• Possibility of precise refurbishment – the design, well-known to workshops specializing in TFSI engines, allows for the use of standard repair procedures.

For Audi A4 B8 users, this means a real opportunity to restore engine performance while maintaining the original operating characteristics and driving comfort.

Expanding engine work and additional materials

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 housings, covers, or other components related to the valve train, check out the available parts in the Audi Cylinder Heads category.

When working on the power unit, it is also worth paying attention to the condition of the cooling system, which has a key impact on the durability of the cylinder head and the entire engine. Practical tips regarding symptoms of overheating, diagnostics, and the influence of radiators on unit longevity can be found in the article Engine cooling system – overheating, repair, and used radiators, which can help in planning the full scope of service work.