Audi A4 S4 B8 Engine Crankshaft Crank Shaft 3.0 TFSI Petrol CAKA 06E105101S

Audi A4 S4 B8 3.0 TFSI Petrol CAKA Engine Crankshaft is an original part from the crankshafts category, designed for petrol-powered engines. It is a precisely manufactured component of the crankshaft-piston system, responsible for the smooth transfer of combustion forces into crankshaft rotation and stable engine operation.

Specifications and technical data

• SKU: 06E105101S
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E105101S
• Substitutable numbers: 06E105101S, 06E 105 101 S
• Fuel type: Petrol
• Category: Crankshafts

Purpose and Technical Characteristics

The presented crankshaft has been designed for the 3.0 TFSI engine in Audi A4 and S4 B8 generation models with the CAKA designation. The crankshaft's construction is optimized for the high dynamic loads typical of turbocharged petrol engines, which translates into stable operation across a wide range of RPMs.

This component belongs to the group of original Audi crankshafts, meaning it adheres to factory dimensional tolerances, has the correct geometry of main and connecting rod journals, and is properly balanced for the specific engine configuration.

Benefits of Using an Original Crankshaft

Using the correct crankshaft in a 3.0 TFSI engine offers a number of tangible operational benefits:

• maintaining proper engine running characteristics across the entire RPM range,
• appropriate transfer of torque to the drivetrain,
• reduction of torsional vibrations thanks to factory balancing,
• consistency with factory crankshaft lubrication and cooling parameters.

For the user, this means stable engine operation, a lower risk of damage to cooperating components (bearings, connecting rods, pistons), and maintaining the performance characteristics intended by the manufacturer.

Condition, Origin, and Fitment

The crankshaft is a used part obtained from disassembly and is offered as a used component, allowing for economical engine repair while maintaining the original Audi specification. This is particularly important for high-performance petrol engines where component fitment is crucial for durability.

Thanks to its preserved factory geometry and parameters, the crankshaft is suitable as a replacement part for 3.0 TFSI CAKA engines. However, standard workshop verification (checking runout, journal surfaces, and potential measurements for bearing selection) is recommended before installation, in accordance with service procedures for crankshafts.

Application in Audi Drivetrain

In the 3.0 TFSI petrol engine, the crankshaft works with connecting rods, pistons, the flywheel, and components on the timing and auxiliary drive sides. The crankshaft's appropriate rigidity and balance directly influence:

• smooth acceleration and throttle response,
• the level of noise and vibrations transmitted to the body,
• the lifespan of main and connecting rod bearings,
• trouble-free operation under prolonged load.

Therefore, selecting an original crankshaft for the Audi A4/S4 B8 3.0 TFSI is crucial for both comprehensive engine overhauls and repairs following a crankshaft-piston system failure.

Audi Crankshafts – Offer and Technical Knowledge

If you are looking for other Audi crankshafts for different engine versions, check out our dedicated category Audi crankshafts, where you will find a wide selection of parts for many models of this brand.

For those interested in a broader context of Audi engine construction and the differences between standard and sport versions, we recommend an article describing the construction of engines and chassis in the RS range: Audi RS vs. other models – what's under the hood and chassis?. This is a valuable addition to your knowledge when planning drivetrain repairs and upgrades.