Audi S4 B8 3.0 TFSI Quattro Cylinder Head 06E103066C 06E103066CX

The Audi S4 B8 3.0 TFSI Quattro Cylinder Head is an original part from the Cylinder Heads category, designed for advanced turbocharged gasoline engines. This used cylinder head provides a solid foundation for professional engine repair or rebuild, ensuring factory-spec port geometry, proper valve guide alignment, and stable combustion chamber operating conditions.

Specifications and technical data

• SKU: 06E103066C
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E103066C
• Substitutable numbers: 06E103066C, 06E 103 066 C
• Category: Cylinder Heads

Purpose and Technical Characteristics

The presented cylinder head has been specifically designed for the 3.0 TFSI engine in the Audi S4 B8 model with Quattro all-wheel drive. Its construction is adapted to the high thermal and mechanical loads typical of direct-injection turbocharged engines, allowing for stable operation across a wide RPM range.

By maintaining factory casting and machining parameters, the cylinder head ensures correct timing component alignment, combustion chamber sealing, and optimal mixture flow in the intake and exhaust ports. This is crucial for restoring original performance or preparing the engine for further modifications.

Benefits of Using an Original Audi Cylinder Head

Using an original cylinder head for the Audi S4 B8 3.0 TFSI Quattro helps maintain the integrity of the entire powertrain. A component from the same design family guarantees:

• factory fitment to the engine block and ancillaries,
• proper integration with the stock timing system,
• adequate structural rigidity under high boost pressure,
• potential for further machining (milling, valve seat and guide refurbishment) according to workshop procedures.

For drivers who value the dynamic characteristics of the 3.0 TFSI, choosing an original Audi cylinder head is a way to maintain predictable engine performance and minimize the risk of compatibility issues.

Component Condition and Application in Repairs

This cylinder head comes from the used Audi parts segment, making it an attractive cost-effective alternative to new components while retaining the original design specifications. This type of part is particularly recommended in situations where:

• the existing cylinder head has suffered mechanical or thermal damage,
• a comprehensive rebuild of the 3.0 TFSI engine is planned,
• a workshop is performing a refurbishment using the original casting as a base.

Prior to installation, standard workshop procedures are recommended, such as leak testing, verification of the mating surface flatness, and potential refurbishment according to accepted service technology.

Selecting a Cylinder Head for Audi S4 B8 3.0 TFSI Quattro

To correctly select a cylinder head for a specific Audi S4 B8, pay attention to compatibility with the engine and ancillary configuration. Useful data includes the engine code, vehicle production year, and information from manufacturer catalogs. If in doubt, consulting with a mechanic or the technical department is a good solution to verify the part's fitment for the specific powertrain.

If you are planning a comprehensive engine rebuild and are also considering replacing other drivetrain or chassis components, helpful guides may be useful. In the context of selecting used components, it is worth reading the article Stock vs. Sport Suspension – Construction Differences and Is It Worth Buying Used Suspension Parts?, which discusses practical aspects of choosing parts from the secondary market.

Related Audi Cylinder Heads – Expansion and Service

If during the service of the 3.0 TFSI engine in your S4 B8, you need to replace other components in this group, consider selecting parts from the same product line. For users planning extensive work on Audi gasoline engines who want to maintain design consistency and use original manufacturer solutions, check available parts in the Audi Cylinder Heads category.