Audi RS4 B8 Camshaft Valve Plate Cover Panel 4.2 FSI CFSA 079109359DF

Audi RS4 B8 Camshaft Valve Plate Cover Panel 4.2 FSI CFSA is an original component from the Tappet and valve covers group, designed for the 4.2 FSI engine with the CFSA code. Its factory origin from the Audi brand ensures a precise fit to the cylinder head, stable sealing, and compliance with the design requirements of a high-performance engine.

Specifications and technical data

• SKU: 079109359DF
• Mark: Audi
• Condition: Used
• OEM Part Number: 079109359DF
• Substitutable numbers: 079109359DF, 079 109 359 DF
• Part type: Valve Cover
• Category: Rocker & Valve Covers

Purpose and function in the 4.2 FSI CFSA engine

The camshaft cover in the 4.2 FSI CFSA engine is responsible for shielding the timing mechanism and the tappet and valve components from external contaminants. At the same time, it contributes to the lubrication system in the upper part of the engine, keeping oil within the cylinder head area and preventing leaks. For high-power units such as the RS4 B8, a properly selected cover is essential for the stable operation of the timing system at high RPMs.

Advantages of using an original Audi cover

The original camshaft cover from Audi has been designed specifically for the geometry of the 4.2 FSI CFSA cylinder head, which results in:

• precise fitment with the cylinder head mating surfaces,
• correct guidance and distribution of forces in the mounting area,
• stable sealing of the oil system in the upper part of the engine,
• maintenance of factory thermal and mechanical tolerances. Thanks to this, the component from the Tappet and valve covers group helps maintain proper operating conditions for the camshafts, tappets, and valves, which is important for both the durability of the unit and the consistency of performance.

Characteristics of the used component

The presented cover comes from disassembly, meaning it is a used part, but still suitable for further operation after proper installation. In practice, this allows for maintaining the original engine specification while reducing costs compared to a new component. In the case of units such as the RS4 B8 4.2 FSI CFSA, choosing an original used component is often preferred over uncertain replacements, as it retains the factory geometry and material quality.

Professional installation and service application

The camshaft cover should be installed using appropriate seals and in accordance with the service procedures provided for the 4.2 FSI CFSA engine. It is recommended to:

• thoroughly clean the mating surfaces on the cylinder head,
• check the condition of the gasket and mounting elements,
• apply the correct tightening torques in accordance with service documentation,
• verify tightness after the first start-up of the unit. Such prepared installation allows you to utilize the potential of the original cover and reduce the risk of oil leaks or improper operation of the timing system.

Expansion and other Audi cover components

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 covers, shields, or cylinder head housing components, check the available parts in the Audi Tappet and valve covers category. If you are considering whether a used original or a cheaper replacement is a better choice for another car, an article describing the differences between these solutions may be helpful – you can find it here: Most popular repairs in Ford cars – why a used original is sometimes better than a cheap replacement.