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Turbo Chargers / Intercoolers & Parts
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Diesel Turbocharger Actuator
This turbocharger actuator is designed for the Porsche
Cayenne 3.0ltr diesel engine fitted to the 957 and 958 generation models. The
actuator plays a critical role in controlling turbo boost pressure by
regulating the turbocharger’s variable geometry system.
Fits:
Porsche 957 Cayenne 3.0L Diesel 2007-10
Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
Fits to diagram ref no 5 Diagram ref no 1
Modern turbo diesel engines rely on precise boost control to deliver efficient performance, strong torque and optimal fuel economy. A failing turbo actuator can significantly affect engine performance and trigger warning lights or limp mode.
What the Turbocharger Actuator Does
The turbo actuator controls the position of the turbocharger vanes or wastegate mechanism. It adjusts the amount of exhaust gas flowing through the turbocharger to regulate boost pressure.
This allows the engine to:
• Deliver strong acceleration and torque
• Maintain efficient combustion and fuel economy
• Prevent excessive boost pressure that could damage engine components
• Provide smooth power delivery across the rev range
The actuator communicates with the engine control unit to constantly adjust turbo boost depending on engine load and driving conditions.
Why Turbo Actuators Fail
Turbo actuators operate in extremely harsh conditions near the turbocharger where high heat and constant movement are present. Over time this can cause internal components to wear or fail.
Common causes of failure include:
Electrical motor or sensor failure
The actuator contains electronic components that can fail due to heat exposure.
Carbon buildup in the turbo mechanism
Soot deposits can restrict the movement of turbo vanes, causing excessive
strain on the actuator.
Internal gear wear
Mechanical wear inside the actuator can cause inaccurate positioning of the
turbo vanes.
Heat damage
Prolonged exposure to turbocharger heat can degrade actuator components.
Symptoms of a Faulty Turbo Actuator
• Loss of engine power or poor acceleration
• Turbo boost errors or warning lights
• Engine entering limp mode
• Inconsistent turbo performance
• Fault codes relating to boost pressure control
• Increased fuel consumption
Replacing a faulty turbo actuator restores proper boost regulation and helps return the engine to its intended performance levels.
Why You May Need to Replace the Turbo Actuator
Restore Turbo Performance
A new actuator allows the turbocharger to operate correctly and deliver the
expected engine power.
Prevent Engine Management Faults
Replacing a failing actuator can resolve boost control fault codes and warning
lights.
Improve Fuel Efficiency
Proper turbo boost control helps the engine run efficiently and maintain
optimal fuel consumption.
Avoid Further Turbocharger Damage
A malfunctioning actuator can place strain on the turbocharger mechanism if
left unresolved.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95512302500
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
or 
Fits:
Porsche 958 Cayenne Hybrid 3.0L 2011-18
Porsche 970 Panamera HYBRID 3.0L 2012-16
Click 'Zoom in' for large parts diagram.
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95860618010
The product you are viewing cross references to these numbers
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
or 
Hella ref no 6PP 009 400-471
Fits:
Porsche 991.1 2013-16
I011 - Special models GTS (991/981)
IX51 - For cars with Powerkit 250kW
Click 'Zoom in' for large parts diagram.
Diagram ref no 23
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
03G906051D
The product you are viewing cross references to these numbers
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
The Genuine Porsche Change Over Valve, Vacuum System is an original equipment vacuum control valve designed to regulate vacuum flow within the engine management and emissions systems of compatible Porsche models. Manufactured to Porsche's exact specifications for fit, performance and durability, this electrically operated valve precisely controls the distribution of engine vacuum to various actuators and control devices, ensuring optimum engine efficiency, emissions performance and reliable operation of vacuum-controlled systems.
Fits:
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD (420Hp) 2014-16
- Porsche 970.2 Panamera S V6 Turbo 3.0L 2WD Executive 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD (420Hp) 2014-16
- Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
- Porsche 95B.1 Macan GTS Petrol 3.0L V6 (360Bhp) 2014-18
- Porsche 95B.1 Macan Turbo 3.6L V6 (400Bhp) 2014-18
Diagram Ref No 6
Manufactured from high-quality automotive-grade composite materials with a precision-engineered internal solenoid, durable vacuum ports and corrosion-resistant electrical connections, the valve is engineered to withstand continuous exposure to engine bay temperatures, vibration, moisture and oil vapours. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's vacuum hoses, wiring harness and engine control unit (ECU), delivering factory-correct performance and long-term reliability.
What This Product Does:
- Regulates the flow of vacuum within the engine management system.
- Controls vacuum-operated actuators and engine components.
- Responds to commands from the engine control unit (ECU).
- Supports efficient operation of the intake and emissions control systems.
- Helps optimise engine performance and fuel efficiency.
- Maintains accurate vacuum distribution throughout the system.
- Restores factory vacuum control functionality.
- Forms an essential part of the engine vacuum and emissions system.
Symptoms Of Wear Or Failure:
- Illuminated engine management or check engine warning light.
- Engine management fault codes relating to the vacuum or emissions system.
- Rough or unstable idle.
- Hesitation during acceleration.
- Reduced engine performance.
- Increased fuel consumption.
- Vacuum leaks or hissing noises from the engine bay.
- Poor operation of vacuum-controlled engine components.
- Increased exhaust emissions.
- Failed emissions or MOT inspection.
Why Replacement Matters:
- The vacuum change over valve operates continuously under the control of the engine management system, directing vacuum to critical engine and emissions components according to driving conditions. Over time, the internal solenoid, valve mechanism or seals can wear or become contaminated, reducing the valve's ability to regulate vacuum accurately.
- A faulty valve can cause incorrect vacuum distribution, leading to poor engine performance, rough running, increased fuel consumption and higher exhaust emissions. It may also affect the operation of vacuum-controlled systems such as intake manifold actuators, turbocharger control systems or emissions equipment, depending on the vehicle specification.
- Replacing a worn or faulty valve with a Genuine Porsche component restores precise vacuum control and ensures the engine management system operates exactly as intended. Manufactured to Porsche's exact engineering standards, the Genuine Porsche Change Over Valve, Vacuum System provides factory-correct fitment, exceptional reliability and long-lasting performance, helping maintain the efficiency, reliability and driving characteristics expected from your Porsche.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
7PP906046
The product you are viewing cross references to these numbers
-
Compressor (Model: 06EC,CGEA, CGE,CGFA,CJT) Cayenne 92A (958) 3.0L HYBRID 2011-18 107-065
-
Vacuum reservoir / Control line / Pressure line (Model: CURA,CUR, CXZA,CXZ) Cayenne 92A (958) 3.6L 2011-18 107-090
-
Exhaust gas turbocharger / Oil pipe (Model: 059E) Cayenne 92A (958) 3.0L DIESEL >>05/2011 202-070
Turbochargers, Intercoolers & Parts – Precision-Engineered Performance for Porsche Engines
A turbocharger increases your Porsche’s power and efficiency by forcing more air into the engine’s combustion chamber, while the intercooler cools that compressed air to improve performance and reliability. Together, these components deliver the exhilarating acceleration and responsiveness that define Porsche engineering.
At Design911, we offer a comprehensive selection of turbochargers, intercoolers, and related components for Porsche models old and new. Manufactured using high-grade materials and advanced balancing technology, our range ensures consistent boost pressure, superior cooling efficiency, and long-term durability under extreme conditions.
Whether you’re restoring a classic 911 Turbo, upgrading a Cayman for track use, or replacing worn components on a modern model, our high-quality turbo and intercooler parts guarantee unmatched performance and reliability.
What Do Turbochargers & Intercoolers Do?
Turbochargers and intercoolers work together to enhance engine power, efficiency, and response.
Core Functions:
- Turbocharger:
Compresses intake air to increase the engine’s air/fuel ratio, producing
greater power.
- Intercooler:
Reduces the temperature of compressed air before it enters the engine,
improving combustion and preventing knock.
- Associated Parts: Turbo hoses, valves, clamps, and cooling lines maintain consistent boost pressure and reliable airflow.
Together, these systems optimise power delivery, throttle response, and engine longevity — key to achieving Porsche’s hallmark driving experience.
Why Do Turbochargers & Intercoolers Fail?
Turbo and intercooler systems operate under extreme temperatures and pressure. Over time, wear and heat cycling can cause performance degradation or failure.
Common Causes of Failure Include:
- Oil
contamination or starvation damaging the turbo bearings.
- Boost
leaks from worn seals, cracked hoses, or gaskets.
- Intercooler
clogging due to debris or oil residue.
- Excessive
exhaust temperatures leading to turbine damage.
- Corrosion or heat fatigue from prolonged high-speed driving.
Symptoms of failure include whining noises, loss of power, blue or black exhaust smoke, poor boost response, or oil leaks around the turbo system. Addressing these early can prevent costly repairs and maintain performance.
Why Replace Components?
Replacing a worn turbocharger or intercooler with a precision-engineered, high-performance alternative restores full boost pressure, temperature control, and efficiency — ensuring your Porsche performs as intended.
Key Benefits:
- Restores boost pressure and throttle response.
- Improves air cooling and power delivery.
- Prevents oil and boost leaks.
- Constructed from lightweight, heat-resistant materials.
- Direct-fit
compatibility for Porsche 911, Cayman, Boxster, Macan, Panamera and more.
- Ideal for performance upgrades, maintenance, or rebuilds.
High-quality turbo and intercooler components are essential for reliable, sustained performance in both road and track environments.
Highlights:
- Turbochargers, intercoolers & related parts for Porsche models.
- Precision-engineered to enhance airflow, boost, and cooling.
- Heat-resistant construction ensures durability and performance.
- Perfect for maintenance, upgrades, or complete rebuilds.
- Supports Porsche 911, Cayman, Boxster, Panamera and more.
- Optimised for performance and reliability under extreme load.