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Fits:
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Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99906140901
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
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- Porsche 970.1 Panamera Turbo V8 4.8L 2009-13
- Porsche 970.1 Panamera Turbo S V8 4.8L 2009-13
- Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
Fits:
Porsche 996 Turbo / GT2 2001-05
Porsche 997 Turbo / GT2 / GT2 RS 2007-11
Porsche 997 Turbo / Turbo S 2010-13
Porsche 955 Cayenne Turbo 4.5L V8 2003-06
Porsche 957 Cayenne Turbo 4.8L V8 2007-10
Porsche 958 Cayenne Turbo 4.8L 2011>>
Porsche 970 Panamera Turbo 4.8L 2011>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99660618000
The product you are viewing cross references to these numbers
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 955 Cayenne Turbo 4.5L 2003-06
- Porsche 955 Cayenne Turbo S 4.5L 2006>>
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- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
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OE Match intercooler pipe O-ring / round seal designed to provide a proper seal between intercooler pipes and fittings on Porsche turbocharged engines.
Sold individually
Fits:
Porsche 95B-1 Macan S Petrol 2014-18 (x2 Required)
Porsche 95B-1 Macan GTS 2014-18 (x2 Required)
Porsche 95B-1 Macan Turbo 2014-18 (x2 Required)
Porsche 955 Cayenne Turbo 2003-06 (x2 Required)
Porsche 958-1 Cayenne S Diesel V8 2013-14 (x2 Required)
Porsche 958-2 Cayenne S Diesel V8 2015-18 (x2 Required)
Porsche 958-2 Cayenne S V6 2015-18 (x2 Required)
Porsche 958-2 Cayenne GTS V6 2015-18 (x2 Required)
Porsche 996 Turbo / GT2 2001-05 (x6 Required)
Porsche 997 Turbo / GT2 2007-13 (x4 Required)
Diagram ref. 20.
The intercooler pipe O-ring sits between the mating surfaces of intercooler hoses, tubes, and connectors in the turbocharger charge air system. It prevents compressed air from leaking at these joints, ensuring that boost pressure flows efficiently from the turbocharger through the intercooler and into the engine. Maintaining a good seal here is essential for performance, responsiveness, and efficient engine operation under load.
Function
• Seals intercooler hose connections: Prevents boost air leakage where pipes and connectors meet
• Supports turbo efficiency: Helps maintain correct charge air pressure for optimal performance
• Protects against pressure loss: Avoids reduced power and drivability issues from leaks
• Durable elastomer: Designed to resist heat, pressure, and turbocharger system conditions
Intercooler pipe seals are small but critical to maintaining proper turbocharger performance. Over time, exposure to heat, pressure cycling, and engine bay contamination can cause original seals to:
• Harden or become brittle
• Distort or shrink
• Leak compressed air at pipe joints
• Reduce boost effectiveness
A leaking or degraded seal can result in loss of boost pressure, reduced engine power, slower acceleration, and poor throttle response. Replacing worn or damaged seals with quality OE Match units helps ensure a tight, leak-free joint and preserves the engineered performance of the turbocharger and intake system.
When to replace. Replace the intercooler pipe O-ring when:
• You’re servicing intercooler hoses or charge air piping
• You detect boost leaks (hissing during acceleration)
• Engine performance feels reduced or inconsistent
• Visual inspection shows the seal is brittle, cracked, or deformed
• You’ve removed intercooler pipes and original seals were damaged
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95511072100
The product you are viewing cross references to these numbers
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII GT2 RS 2011-13
Turbocharger Actuator
This turbocharger actuator is designed for the Porsche
997 turbo generation models. The
actuator plays a critical role in controlling turbo boost pressure by
regulating the turbocharger’s variable geometry system
Fits:
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII GT2 RS 2011-13
Diagram ref no 45
Modern turbo 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.
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99760531
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