Audi S4 B8 A6 C6 Crankshaft Oil Pump Chain Sprocket 3.0 TFSI 057109116J

The Audi S4 B8 A6 C6 3.0 TFSI Crankshaft Sprocket is a precision timing component designed for 3.0 TFSI gasoline engines in the Audi S4 B8 and A6 C6 models. It is responsible for the stable transfer of drive from the crankshaft to other components, which directly impacts the engine's smoothness and durability. A used original part is a sensible choice for professional repairs when you want to maintain factory engine performance parameters.

Specifications and technical data

• SKU: 057109116J
• Mark: Audi
• Condition: Used
• OEM Part Number: 057109116J
• Substitutable numbers: 057109116J, 057 109 116 J
• Fuel type: Petrol
• Part type: Sprocket
• Category: Sprockets

Purpose and Function in the 3.0 TFSI Engine

The crankshaft sprocket in a 3.0 TFSI gasoline engine synchronizes the crankshaft's operation with other timing system components. A correctly selected part from this group:

• ensures stable torque transfer to the timing system,
• reduces the risk of timing phase shifts during dynamic driving,
• supports smooth engine operation across the entire RPM range.

For Audi gasoline engines, using the appropriate crankshaft sprocket is crucial for both performance and long-term engine reliability.

Application in Audi S4 B8 and A6 C6 Models

This sprocket is designed for 3.0 TFSI engines installed in the Audi S4 B8 generation and Audi A6 C6 generation. This allows you to select a component that matches the factory drivetrain design, without the need for modifications or adaptations.

In practice, this means that when repairing or upgrading the timing system in these models, you maintain:

• consistency with the original manufacturer's design,
• correct fitment with the crankshaft and other drive components,
• engine performance parameters aligned with Audi's design intentions.

Characteristics of the Used Sprocket

The offered sprocket comes from the Sprockets group and is a used part, which helps reduce repair costs while maintaining original specifications. This type of component, when properly selected, is a good solution in situations where:

• a worn or damaged sprocket in an existing engine needs replacement,
• you are undertaking a rebuild of a 3.0 TFSI engine and want to stick with parts from the same design family,
• you want to preserve the operating characteristics typical of factory Audi solutions.

A used crankshaft sprocket is also a good choice for repairs where compliance with the original mechanical design is key, rather than extensive tuning.

Benefits of Using an Original Audi Sprocket

Choosing an original Audi crankshaft sprocket offers several significant operational benefits:

• Factory Fitment – maintains the correct gear geometry and interaction with other system components.
• Stable Timing Operation – reduces vibrations and unwanted play in the drive, contributing to smooth gasoline engine operation.
• Compatibility with Other System Components – simplifies future diagnostics and servicing by using parts from the same design line.

For Audi S4 B8 and A6 C6 owners who expect predictable performance from their 3.0 TFSI engine, using an original crankshaft sprocket is a technically sound solution.

Drivetrain Expansion and Additional Information

If you are planning a comprehensive engine area repair or upgrade for your Audi and need other parts from the same group, such as additional drive sprockets, intermediate sprockets, or mating drive components, check the available parts in the Audi Sprockets category.

If you are also interested in topics related to engine durability and want to better plan your service budget, it is worth reading the practical guide: Common BMW E90 Engine Failures – What Can Ruin Your Budget. Although it concerns a different brand, it illustrates typical operational issues that help approach car servicing consciously for any vehicle.