Audi RS4 B8 RS5 8T Rocker Valve Cover Left N/S 4.2 V8 FSI Quattro 079103471BD

Visual condition of the part

The product shows signs of use visible in the photos. Audi RS4 B8 RS5 8T Rocker Valve Cover Left N/S 4.2 V8 FSI Quattro is an original component from the Tappet and valve covers group, designed for 4.2 V8 FSI engines with quattro drive. This used cover ensures a factory-fit to the cylinder head, maintaining proper sealing of the valve chamber and stable operation of the timing system.

Specifications and technical data

• SKU: 079103471BD
• Mark: Audi
• Condition: Used
• OEM Part Number: 079103471BD
• Substitutable numbers: 079103471BD, 079 103 471 BD
• Location on the vehicle: Left
• Part type: Valve Cover
• Category: Rocker & Valve Covers

Purpose and fitment

The valve cover has been designed specifically for the 4.2 V8 FSI engine installed in Audi RS4 B8 and Audi RS5 8T models. The construction meets the manufacturer's factory requirements, which translates into proper adhesion to the cylinder head, correct gasket guidance, and compatibility with standard mounts and accessories. The component is intended for the left side of the engine, which is crucial when selecting parts for V8 engines. This allows the user to avoid issues with improper fitment, interference with accessories, or differences in the layout of breather channels and mounting points.

Construction and technical function

The cover plays a key role in protecting the valve train from external contaminants and maintaining stable operating conditions inside the cylinder head. It is responsible for:

• protecting tappets and valves from dust, moisture, and oil from outside the engine compartment,
• maintaining the tightness of the lubrication system in the upper part of the engine,
• cooperating with the crankcase ventilation system (PCV),
• providing stable mounting for additional accessories specified by the manufacturer. Thanks to its factory geometry, the cover maintains proper oil flow within the cylinder head and enables correct gasket placement, which reduces the risk of leaks and pressure drops in the lubrication system.

Vehicle placement and installation aspects

The component is intended for the left side of the V8 engine, which in practice means it fits the specific cylinder head in a V-configuration. During replacement, attention should be paid to the correct placement of the gasket, bolt tightening torques, and the cleanliness of the contact surface with the cylinder head. The cover comes from dismantling, which allows for maintaining the original material and construction specifications intended for 4.2 V8 FSI units. This solution is particularly beneficial when servicing high-power engines, where compliance with factory tolerances and stability under a wide range of loads are essential.

Practical application and benefits

Using an original valve cover in an Audi RS4 B8 or RS5 8T allows for restoring the proper tightness of the upper engine area after damage, cracking, or deformation of the previous component. This is important both from the perspective of engine durability and maintaining engine bay cleanliness, as well as reducing oil leaks. Choosing a used OEM component is cost-effective while ensuring factory fitment and compatibility with standard equipment. This solution is particularly attractive for repairs of high-value engines, where aftermarket parts with uncertain specifications can generate additional operational problems.

Service expansion within the valve system

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as additional covers, seals, or mounting elements, check out the available parts in the Audi Tappet and valve covers category. If you are considering a broader car upgrade in terms of comfort, ergonomics, and interior quality, it is worth checking out the guide on selecting seats from dismantling – you will find practical tips in the article Interior metamorphosis: how branded seats from dismantling improve comfort and car value.