Audi RS4 B8 Inlet Intake Camshaft Sprocket 4.2 TFSI Quattro CFSA 06E109083R

Audi RS4 B8 Inlet Intake Camshaft Sprocket 4.2 TFSI Quattro CFSA is a precision timing system component responsible for dynamic intake camshaft adjustment in the V8 TFSI engine. A properly selected camshaft sprocket ensures stable engine operation, correct throttle response, and proper performance across the entire rev range. Choosing an original component from the Audi Sprockets group is an investment in predictable engine behavior and safe operation of a high-performance vehicle.

Specifications and technical data

• SKU: 06E109083R
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E109083R
• Substitutable numbers: 06E109083R, 06E 109 083 R
• Part type: Sprocket
• Category: Sprockets

Purpose and function in the timing system

The intake camshaft sprocket in the 4.2 TFSI Quattro CFSA engine is responsible for controlling the intake camshaft advance angle. This allows the V8 unit to combine good flexibility at low RPMs with high power in the upper range, while maintaining proper combustion efficiency. A correctly functioning element from this group minimizes the risk of engine control unit errors, rough idling, and power loss under load.

Benefits of using an original camshaft sprocket

For demanding units such as the 4.2 TFSI in the RS4 B8, using the correct camshaft sprocket is crucial for durability and performance. This component from the Sprockets category ensures:

• proper fitment with the camshaft and other timing system components,
• stable timing phase control across a wide RPM range,
• maintenance of the performance characteristics intended by the engine manufacturer,
• reduced risk of premature wear of other timing system elements. For a sports-oriented car like the RS4 B8, maintaining proper timing system operation translates directly into repeatable performance and predictable vehicle behavior during daily use and dynamic driving.

Product characteristics and fitment

The presented intake camshaft sprocket is designed for use in the 4.2 TFSI Quattro CFSA engine, where it works with the factory variable valve timing control system. The design, based on precise gearing, allows for smooth adjustment of the camshaft relative to the drive gear, which requires high manufacturing accuracy. This makes it possible to maintain the correct valve opening and closing timing depending on load and engine speed. The product is marked as used, which in practice means it comes from disassembly and can be a cost-effective solution while maintaining the original manufacturer's specifications. For many RS4 B8 users, this is a reasonable compromise between quality and budget, especially during comprehensive timing system maintenance.

Practical installation tips

Replacing the intake camshaft sprocket in the 4.2 TFSI engine requires following the service procedures provided for this type of unit, in particular, correct timing setting and chain tension inspection. It is recommended to:

• perform the installation in a specialized workshop familiar with the construction of V8 TFSI engines,
• check the condition of cooperating timing components (chains, guides, tensioners),
• use appropriate locking tools and service equipment,
• after installation – verify engine operating parameters using computer diagnostics. This approach allows you to fully utilize the potential of the installed camshaft sprocket and reduce the risk of needing to re-intervene in the timing system in the near future.

Timing system expansion and related parts

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 timing gears, transmissions, or other gear components, check the available parts in the Audi Sprockets category. When selecting original used components, it is also worth paying attention to the impact of such decisions on the vehicle's later value. If you want to better understand how choosing original components can translate into the car's price upon sale, read the article: Original used parts vs. resale price – how not to lose money?.