Audi RS4 B8 Engine Crankcase Housing Panel 4.2 FSI CFSA 079103032DC

Audi RS4 B8 Engine Crankcase Housing Panel 4.2 FSI CFSA is an original component from the Tappet and Valve Covers group, designed for the 4.2 FSI CFSA power unit in the Audi RS4 B8 model. This is a precision-engineered housing that stabilizes the operation of the crankshaft system and ensures proper guidance of the timing and valve train components.

Specifications and technical data

• SKU: 079103011EB-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 079103011EB
• Substitutable numbers: 079103011EB, 079 103 011 EB, 079103032DC, 079 103 032 DC
• Part type: Valve Cover
• Category: Rocker & Valve Covers

Purpose and technical function

The crankcase housing in the 4.2 FSI CFSA engine plays a key structural role – it serves as the base for the crankshaft, tappets, and valves, and also forms the oil channels responsible for lubricating these components. The proper geometry and rigidity of the housing affect the engine's refinement, vibration reduction, and oil pressure stability throughout the system. As a component in the Tappet and Valve Covers category, this housing is responsible for:

• maintaining the precise position of tappets and valve guides,
• maintaining tightness in the timing and crankshaft system area,
• proper oil routing in critical engine zones.

Original origin and compatibility

The product comes from the Audi line, which ensures adherence to factory dimensional tolerances and material compatibility with the original 4.2 FSI CFSA engine design. As a result, the crankcase housing is properly matched to serial mounting points, oil channels, and bearing seats, which facilitates installation and reduces the risk of leaks. The element has a dedicated OEM part number and assigned replacement numbers, which allows for unambiguous identification in service catalogs and parts selection systems, and minimizes the risk of ordering errors.

Condition, service application, and benefits of installation

The housing is offered in used condition, which represents a reasonable compromise between repair costs and maintaining original structural quality. This type of component is particularly useful for:

• major overhauls of the 4.2 FSI CFSA engine after mechanical damage,
• repairs after engine seizure or overheating,
• engine rebuilding in Audi RS4 B8 restoration projects. Using an original crankcase housing allows for maintaining factory block rigidity, correct crankshaft alignment, and proper guidance of tappets and valves, which translates into stable engine operation at high RPMs characteristic of the 4.2 FSI engine.

Why choose original used Audi components

In the case of a component as thermally and mechanically stressed as the crankcase housing, maintaining factory geometry and casting quality is crucial. An original Audi component ensures:

• compliance with service documentation and assembly procedures,
• certainty of fitment with other engine sub-assemblies,
• the ability to work seamlessly with serial tappets and valves. If you want to better understand why original used components are often the most cost-effective solution for engine repairs, check out our article on the benefits of used original OEM parts and the safety of their use.

Expansion and completion of the system in the Audi RS4 B8

During a comprehensive rebuild of the 4.2 FSI CFSA engine, it is worth taking care of other elements from the group related to tappets and valves to maintain the technical consistency of the entire system. 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 housings, covers, or valve guide shields, check out the available parts in the Audi Tappet and Valve Covers category.

Summary

Audi RS4 B8 Engine Crankcase Housing Panel 4.2 FSI CFSA is a technically advanced, original component designed for the demanding V8 FSI unit. Choosing this housing allows for a professional engine rebuild or repair while maintaining factory operating parameters, which is particularly important in cars with a sporty character, such as the RS4 B8.