fits model: S5. make: Audi. year: 2008–2012.

( Manufacturer Part Number: 079103390 ), ( Part Type: Engine Motor Cylinder Head )
The Audi 079103390 is a high-quality cylinder head designed specifically for the 4.2L engine of the Audi S5 models manufactured between 2008 and 2012. This cylinder head is a crucial component of the engine, responsible for the combustion process that generates the power needed to propel the vehicle.
The cylinder head is made from durable materials, ensuring long-lasting performance and reliability. It features four valves per cylinder, with two intake valves and two exhaust valves, which allow the air-fuel mixture to enter and exit the cylinders efficiently. The valve train is actuated by a sophisticated camshaft and valve spring system, which optimizes engine performance and efficiency.
The cylinder head also includes spark plug holes, which are used to ignite the air-fuel mixture in the cylinders. The spark plugs are essential for the combustion process, as they provide the necessary spark to ignite the fuel. The cylinder head also includes coolant passages, which help to regulate engine temperature and prevent overheating.
The cylinder head is precision-machined to ensure a perfect fit with the engine block, and it features a high-quality gasket that seals the cylinder head to the engine block to prevent leakage of coolant or combustion gases. The cylinder head is also equipped with oil passages, which supply oil to the valve train and other critical engine components to keep them lubricated and functioning properly.
In summary, the Audi 079103390 cylinder head is a vital component of the Audi S5's 4.2L engine. It is made from durable materials, features a sophisticated valve train, and is precision-machined to ensure a perfect fit with the engine block. With its coolant passages, spark plug holes, and oil passages, this cylinder head ensures optimal engine performance, efficiency, and longevity.
Pros of buying an Audi S5 4.2L engine motor with a cylinder head from the model years 2008-2012:1. Powerful engine: The 4.2L V8 engine is known for its power and performance, providing a smooth and enjoyable driving experience.
2. Reliability: Audi engines are generally well-built and known for their longevity. The 4.2L V8 engine has a reputation for being a reliable powerplant.
3. Availability: Replacement parts for the Audi S5 are widely available, making it easier to find and install the cylinder head.
4. Cost-effective: Replacing a cylinder head can be more cost-effective than replacing the entire engine, especially if the engine is still in good condition.
Cons of buying an Audi S5 4.2L engine motor with a cylinder head from the model years 2008-2012:1. High replacement cost: The cost of replacing the cylinder head on an Audi S5 can be high, especially if the labor costs are factored in.
2. Complex installation: The installation of the cylinder head can be complex, requiring specialized tools and knowledge.
3. Potential for other issues: Replacing the cylinder head may not address other potential issues with the engine, such as worn-out valves or damaged pistons.
4. Risk of damage: There is a risk of damaging other engine components during the installation of the cylinder head.
Conclusion:While the pros of buying an Audi S5 4.2L engine motor with a cylinder head include its powerful engine, reliability, availability, and cost-effectiveness, the cons include the high replacement cost, complex installation, potential for other issues, and risk of damage. Ultimately, the decision to buy a replacement cylinder head for the Audi S5 should be based on a careful evaluation of the cost, time, and effort involved, as well as the condition of the existing engine.
Recommendation:If the existing engine is in good condition and the cost of replacing the cylinder head is within your budget, then it may be a worthwhile investment to improve the performance and longevity of your Audi S5. However, if the cost is prohibitive or if you are not confident in your ability to install the cylinder head, then it may be more cost-effective to consider other repair options or to consider purchasing a used or rebuilt engine.
Selling - 2012 AUDI S5 4.2L ENGINE MOTOR RIGHT HEAD CYLINDER OEM. Large or heavy items are shipped UPS Ground Or FedEx. Shipping Info. Most items are shipped next day.