fits model: S5. make: Audi. year: 2008–2009.

( Manufacturer Part Number: 079103063BD ), ( Part Type: Engine Cylinder Head ), ( Manufacturer Warranty: 30 Day ), ( Tested: Tested, Cleaned And Inspected ), ( Placement On Vehicle: Left ), ( Fitment Type: Direct Replacement )
The Audi 079103063BD cylinder head is a crucial component of the 4.2L V8 engine found in select 2008 and 2009 Audi S5 models. This cylinder head is meticulously engineered to deliver optimal performance, reliability, and efficiency.
The cylinder head is cast from high-quality aluminum alloy, ensuring lightweight yet durable construction. It features four valves per cylinder, with two intake and two exhaust valves, each actuated by a single camshaft. The valves are controlled by a double overhead cam (DOHC) configuration, which allows for precise valve timing and greater engine efficiency.
The cylinder head is equipped with high-performance, thermally resistant valve guides and seat inserts. These components are designed to minimize engine heat and friction, allowing for smooth and consistent engine operation. Additionally, the cylinder head includes cast-in spark plug pockets, which simplify the spark plug replacement process.
The Audi 079103063BD cylinder head also features a robust cooling system, including integrated coolant passages and water jackets. This cooling system helps maintain optimal engine temperature, preventing overheating and ensuring consistent performance under various driving conditions.
In conclusion, the Audi 079103063BD cylinder head is an essential upgrade or replacement part for Audi S5 models with the 4.2L V8 engine. Its high-quality construction, efficient valve train, and integrated cooling system contribute to enhanced engine performance, reliability, and longevity.
Pros of buying an Audi S5 4.2L with the CUA engine:1. Powerful engine: The 4.2L V8 engine provides a substantial amount of power, making for a thrilling driving experience.
2. Reliable brand: Audi is known for its high-quality vehicles, which can lead to fewer repairs and maintenance costs over time.
3. Luxurious interior: The S5 comes with a luxury interior, including high-end materials and advanced technology features.
4. Desirable model: The S5 is a desirable and sought-after model, which can make it easier to resell in the future.
Cons of buying an Audi S5 4.2L with the CUA engine:1. High cost: The Audi S5 is a luxury vehicle, and the cost of purchasing and maintaining one can be quite high.
2. Fuel consumption: The V8 engine is not as fuel-efficient as some other engines, which can result in higher fuel costs.
3. Repair and maintenance costs: While Audi is a reliable brand, repairs and maintenance for the 4.2L engine can be expensive.
4. Depreciation: Luxury vehicles often depreciate faster than other types of vehicles, which can impact resale value.
Conclusion:The Audi S5 4.2L with the CUA engine offers a powerful engine, a luxurious interior, and the appeal of a desirable model. However, the high cost, fuel consumption, and repair and maintenance costs are important factors to consider before making a purchase. If you are willing to invest in the upfront cost and ongoing maintenance, an Audi S5 4.2L can provide a thrilling and luxurious driving experience.
Recommendation:If you are in the market for an Audi S5 4.2L, it is recommended to do your research and compare prices from various dealers and private sellers. Additionally, it is important to have a trusted mechanic inspect the vehicle to ensure that it is in good condition and that there are no major issues with the engine. By doing your due diligence, you can make an informed decision and potentially save money in the long run.
Part Fitment and Compatibility. Remember LEFT means the Drivers side of vehicle and RIGHT Passengers in our listings.