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- 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
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95512302500
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
- Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
- Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Speedster 4.0L 2019-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
Fits:
Porsche 996 Turbo 2001-05
Porsche 997 Turbo 2007-09
Porsche 997 Turbo / GT2 RS 2010-13
Porsche 991 Turbo 2014-20
Porsche 992.1 Carrera 2019-24
Porsche 992.1 Turbo 2020>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
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PAF008300
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- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
- Porsche 992.1 (911) Sport Classic 3.8L 2023
- Porsche 992.2 Carrera 2 3.0L 2024>>
- Porsche 992.2 Carrera 2 3.0L Cabriolet 2024>>
Fits:
Porsche 992.1 Turbo - 2020 to 2024
Porsche 992.1 Turbo S - 2020 to 2024
Porsche 992.1 Sport Classic - 2022 to 2024
Porsche 992.2 Carrera 2 - 2024 onwards
Porsche 992.2 Carrera 4 - 2024 onwards
(Porsche 992.2 - not for Hybrid models)
OEM ref
992.145.805.G
992.145.805.N
• Eliminates Heat Soak and Lowers Intake Air Temperatures (IATs) for Maximum Performance in Race Conditions – Especially Critical Due to Intercooler Placement in Engine Compartment
• Formula-1 Performance Grade Core by PWR (2-Row Core Featuring Rolled Tubes w/ Inner Fins)
• CNC Machined Billet End Tanks With Integrated Machined Y-Pipe Connection to Throttle Body
• 100% TIG Welded vs. OEM Style Gasket and Crimped Plastic End Tanks for Maximum Durability in High Boost Applications
• OEM Style CNC Machined Inlet/Outlet Connections for Precise Fitment with All OEM Components
• True Plug-and-Play "Drop-in Fit" Installation
• R&D and Performance Testing by Industry-Leading Porsche & McLaren Tuning Company, M Engineering
• Made in the USA at PWR North America
Cross reference numbers
992145805G
992145805N
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8188
The product you are viewing cross references to these numbers
- Porsche 992.1 Carrera 2 3.0L 2019-24
- Porsche 992.1 Carrera 4 3.0L 2019-24
- Porsche 992.1 Carrera 2 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4 Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS 3.0L 2019-24
- Porsche 992.1 Carrera 2S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Carrera 4S / GTS Cabriolet 3.0L 2019-24
- Porsche 992.1 Targa 4 3.0L 2020-24
- Porsche 992.1 Targa 4S / GTS 3.0L 2020-24
- Porsche 992.1 Speedster 4.0L 2019-24
- Porsche 992.1 Turbo 3.8L 2020-24
- Porsche 992.1 Turbo S 3.8L 2020-24
- Porsche 992.1 Turbo Cabriolet 3.8L 2020-24
- Porsche 992.1 Turbo S Cabriolet 3.8L 2020-24
Fits:
Porsche 992 Carrera 2019>>
Porsche 992 Turbo 2020>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
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