Audi RS4 B8 RS5 8T Engine Timing Chain Seal Cover 4.2 V8 Petrol CFSA 079103173AM

Audi RS4 B8 RS5 8T Engine Timing Chain Seal Cover 4.2 V8 Petrol is an original timing system component designed for V8 petrol engines, which protects critical engine parts from contamination and mechanical damage. Thanks to its precise fit for the specific engine configuration, it ensures stable operation of the timing drive and helps maintain the engine bay in proper condition. This is a practical solution for users who want to preserve the factory design and performance parameters of the power unit.

Specifications and technical data

• SKU: 079103173AM
• Mark: Audi
• Condition: Used
• OEM Part Number: 079103173AM
• Substitutable numbers: 079103173AM, 079 103 173 AM
• Fuel type: Petrol
• Part type: Timing Cover Gasket
• Category: Gaskets & Seals

Purpose and function of the timing cover

The timing chain seal cover in the 4.2 V8 petrol CFSA engine plays a key role in protecting the timing drive components from dust, moisture, and fine debris from the engine bay. A properly selected cover reduces the risk of premature wear of chains, sprockets, and guides, which translates into stable engine operation and predictable service intervals. Thanks to a design consistent with the manufacturer's factory standards, this component works with other timing system parts without the need for modifications, maintaining the original geometry and seal integrity.

Benefits of using an original Audi timing cover

Using an original timing cover in RS4 B8 and RS5 8T models allows for maintaining the structural integrity of the entire powertrain. Designed specifically for the 4.2 V8 petrol engine, this component ensures:

• proper guidance and protection of timing components under high thermal load conditions,
• compatibility with factory mounting points on the engine block and cylinder heads,
• preservation of the stiffness and stability of the entire timing zone as intended by the manufacturer. For users who value consistency with the original Audi design, this is a solution that allows for maintenance in accordance with technical documentation and manufacturer recommendations.

Technical category: Gaskets and sealing rings

Although the timing cover is a structural element, its role is closely linked to maintaining tightness in the timing drive area, which is why the product is assigned to the Gaskets and sealing rings category. Proper fitment with adjacent components and well-designed contact surfaces help limit the ingress of contaminants and maintain stable operating conditions in this part of the engine. For V8 petrol engines operating at high rotational speeds, maintaining the tightness and protection of the timing mechanisms has a direct impact on engine refinement, noise levels, and the durability of the entire system.

Condition of the component and use in service practice

The offered timing cover is a salvaged part, which allows for cost-effective repairs while maintaining the original manufacturer specifications. This type of solution is particularly beneficial when servicing high-performance units, where factory fitment and dimensional compliance are more important than in the case of universal replacements. In workshop practice, using an original cover facilitates installation, reduces mechanic labor time, and lowers the risk of fitment issues, which is especially important for complex V8 units with an extensive timing system.

Support with selection and additional materials

If you are planning a comprehensive repair or upgrade of your Audi's engine area and need other components from the same group, such as additional covers, sealing elements, or shields working with the timing system, check out the available parts in the Audi Gaskets and sealing rings category. When planning broader service work on the vehicle, it is also worth paying attention to the condition of the suspension, which directly affects comfort and steering precision. Practical tips on diagnosing disturbing noises and the possibilities of using salvaged components can be found in the article Suspension knocking? Discover a clever way to restore factory steering precision without spending a fortune at the service center.