Description
The Audi A6 C7 A7 4G 3.0 TDI CGQB Turbine Pressure Valve is an original turbocharger and parts component designed for Audi diesel engines. It enables precise control of boost pressure, resulting in stable engine operation and correct power characteristics in everyday use.
Specifications and technical data
- SKU: 059145600C
- Mark: Audi
- Condition: Used
- OEM Part Number: 059145600C
- Substitutable numbers: 059145600C, 059 145 600 C
- Fuel type: Diesel
- Category: Turbos & Parts
Purpose and function in the supercharging system
The turbine pressure valve bulb is responsible for controlling the geometry or wastegate of the turbocharger in a diesel engine. A properly functioning component:
- stabilizes the boost pressure over the full rpm range,
- reduces the risk of turbine overload and emergency mode,
- supports uniform torque development,
- helps maintain proper combustion parameters in the diesel engine.
Thanks to this, the turbocharging system in the Audi A6 C7 and A7 4G with the 3.0 TDI CGQB engine retains its factory operating characteristics and the response to gas remains predictable.
Benefits of using an original Audi component
Choosing an original Audi turbocharger pressure valve bulb ensures compatibility with your specific engine configuration and control electronics. In practice, this means:
- maintaining factory boost control maps,
- correct cooperation with pressure sensors and engine controller,
- no need to adapt universal substitutes,
- reduced risk of diagnostic errors related to the charging system.
A component from the same product line as the vehicle’s original equipment allows for the integrity of the entire turbocharging system, which is particularly important in modern diesel engines.
Used condition – a conscious technical choice
This turbocharger pressure valve bulb for the Audi A6 C7 and A7 4G is an aftermarket replacement. For many users, it’s a sensible solution, allowing for:
- reduce the cost of repair compared to a new item,
- maintain the original manufacturer’s specifications,
- avoid problems typical of low-quality substitutes.
When selecting a used component, it is crucial to ensure it fits the specific diesel engine version and matches the part number and replacement numbers – this information can be found in the product’s technical specifications.
Selection by OEM number and diesel engine compatibility
For turbocharger components and parts like the turbine pressure valve bulb, matching the OEM and reference numbers is particularly important. This helps avoid installation issues and ensures proper interaction with the diesel engine management system.
If you’d like to deepen your knowledge of selecting original components based on the OEM number and VIN, and understand the importance of part compatibility in modern Audi engines, check out the article: Audi’s Five-Cylinder Engine and Selecting Used OEM Parts by VIN/OEM . You’ll find practical tips that will help you make informed choices about turbocharging system components.
Other turbochargers and parts for Audi
If you’re also looking for other turbochargers and parts for Audi, you can visit our dedicated subpage, which lists products in this category for this brand: turbochargers and parts for Audi . This makes it easy to quickly compare available solutions and select the right components for your specific model.
Summary
The Audi A6 C7 A7 4G 3.0 TDI CGQB Turbine Pressure Valve is an original, used turbocharger and parts component designed for diesel engines. It ensures proper boost pressure control, supports stable engine operation, and allows you to maintain the factory operating parameters of your Audi’s turbocharger system.





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