Porsche

Turbocharger Shut-Off Valve.
The Genuine Porsche Turbocharger Shut-Off Valve is an original equipment forced induction component designed to regulate boost pressure within the turbocharging system of compatible Porsche models. Manufactured to Porsche's exact specifications for fit, performance and durability, this precision-engineered valve relieves excess boost pressure during throttle lift-off, preventing compressor surge and ensuring smooth turbocharger operation, improved throttle response and long-term turbocharger reliability.  
Sold Each.

Fits:

• Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
• Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
• Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
• Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
• Porsche 9YA.2 Cayenne S V8 4.0L Petrol (474Hp) 2023>>
• Porsche 9YA.2 Cayenne S Coupe V8 4.0L (474Hp) 2023>>
• Porsche 971.1 Panamera Turbo V8 4.0L 4WD (550 Hp) 2017-20
• Porsche 971.1 Panamera Turbo V8 4.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera Turbo 4.0L Twin-Turbo V8 Sport Turismo 2017-20
• Porsche 971.2 Panamera GTS 4.0L V8 2021-23
• Porsche 971.2 Panamera GTS Sport Turismo 4.0L V8 2021-23
• Porsche 971.2 Panamera Turbo S 4.0L V8 2021-23
• Porsche 971.2 Panamera Turbo S Sport Turismo 4.0L V8 2021-23 

 
Diagram Ref No 7

Manufactured from high-quality automotive-grade composite materials with a durable diaphragm or piston assembly (application dependent), precision-engineered internal components and high-temperature-resistant seals, the shut-off valve is designed to withstand high boost pressures, engine bay temperatures, vibration and continual operating cycles. Designed as a direct replacement for the original component, it integrates seamlessly with the turbocharger, intake system and engine management system, delivering factory-correct performance and dependable operation.  

What This Product Does:

• Releases excess boost pressure when the throttle closes.
• Prevents compressor surge within the turbocharger.
• Protects the turbocharger from unnecessary stress.
• Improves throttle response during gear changes.
• Maintains smooth turbocharger operation.
• Supports efficient engine performance and drivability.
• Restores factory boost pressure control.
• Forms an essential part of the turbocharging and intake system.

Symptoms Of Wear Or Failure:

• Loss of turbo boost pressure.
• Reduced engine performance.
• Sluggish acceleration.
• Fluttering or chattering noises from the turbocharger during throttle lift-off.
• Hissing noises caused by boost leaks.
• Illuminated engine management or check engine warning light.
• Engine management fault codes relating to boost pressure.
• Poor throttle response.
• Increased fuel consumption.
• Inconsistent turbocharger performance.

Why Replacement Matters:

• The turbocharger shut-off valve operates every time the throttle is released while the turbocharger is producing boost pressure. It is continually exposed to high boost pressures, rapid pressure fluctuations, elevated temperatures and constant engine vibration. Over time, the internal diaphragm, piston, spring or seals can wear, crack or lose their ability to seal correctly.
• A faulty shut-off valve can cause boost leaks, compressor surge and inconsistent turbocharger performance, resulting in reduced engine power, slower throttle response and increased stress on the turbocharger. Continued operation with a defective valve may accelerate wear of the turbocharger and reduce overall engine efficiency.
• Replacing a worn or faulty valve with a Genuine Porsche component restores precise boost pressure regulation and protects the turbocharging system from unnecessary wear. Manufactured to Porsche's exact engineering standards, the Genuine Porsche Turbocharger Shut-Off Valve provides factory-correct fitment, exceptional durability and long-lasting reliability, ensuring the performance, efficiency and driving experience expected from your Porsche.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

PAB145710

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Servomotor For Turbocharger. 
The Genuine Porsche Servomotor for Turbocharger is an original equipment electronic actuator designed to precisely control the operation of the turbocharger on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, performance and durability, this servomotor regulates the position of the turbocharger wastegate or variable geometry mechanism (where applicable), ensuring optimum boost pressure, engine efficiency and responsive power delivery across the entire rev range.

Fits:

Diagram Ref No 5

Manufactured with a precision electric motor, integrated position sensor and robust electronic control module housed within a durable, weather-resistant casing, the servomotor is engineered to withstand extreme engine bay temperatures, vibration, moisture and continual operating cycles. Designed as a direct replacement for the original component, it integrates seamlessly with the engine control unit (ECU) and turbocharger assembly, delivering factory-correct boost control and long-term reliability.  

What This Product Does:

• Controls the position of the turbocharger actuator.
• Regulates turbocharger boost pressure.
• Communicates with the engine control unit (ECU) for precise boost management.
• Optimises engine performance and throttle response.
• Helps improve fuel efficiency and emissions performance.
• Protects the turbocharger from overboost or underboost conditions.
• Restores factory turbocharger control and operation.
• Forms an essential part of the engine's forced induction system.

Symptoms Of Wear Or Failure:

• Illuminated engine management or check engine warning light.
• Reduced engine power.
• Poor acceleration or sluggish throttle response.
• Vehicle entering limp-home mode.
• Overboost or underboost fault codes.
• Inconsistent turbocharger performance.
• Increased fuel consumption.
• Whining or abnormal noises from the turbocharger actuator.
• Hesitation during acceleration.
• Engine management fault codes relating to turbocharger control.

Why Replacement Matters:

• The turbocharger servomotor operates continuously under the control of the engine management system, making constant adjustments to turbocharger operation based on engine load and driving conditions. Over time, the electric motor, internal gears, position sensor or electronic circuitry can wear or fail due to prolonged exposure to heat, vibration and environmental conditions.
• A faulty servomotor can prevent the turbocharger from achieving the correct boost pressure, resulting in reduced engine performance, poor fuel economy, increased emissions and activation of limp-home mode. Continued operation with incorrect boost control may also place unnecessary strain on the turbocharger and other engine components.
• Replacing a worn or faulty servomotor with a Genuine Porsche component restores precise turbocharger control and factory engine performance. Manufactured to Porsche's exact engineering standards, the Genuine Porsche Servomotor for Turbocharger provides factory-correct fitment, exceptional reliability and long-lasting durability, ensuring optimum boost regulation, engine efficiency and the performance expected from your Porsche.

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PAC145614

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Change Over Valve, Vacuum System.
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.

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7PP906046

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Power Steering Oil Cooler Return Hose / Line
The Genuine Porsche 95834796301 power steering oil cooler return hose / line is an OE hydraulic steering return line for selected Porsche 958 Cayenne 2011–2018 models, excluding Hybrid applications. It returns power steering fluid through the oil cooler circuit, helping maintain correct steering assistance, fluid flow and system reliability. Ideal for replacing a leaking, cracked or damaged original return hose with Genuine Porsche quality.

Fits:
Porsche 958 Cayenne 3.6L 2011 - 2018
Porsche 958 Cayenne 3.0L Diesel 2011 - 2018
Porsche 958 Cayenne S / GTS 4.8L 2011 - 2018
Porsche 958 Cayenne Turbo 4.8L  2011 - 2018
* not for Hybrid models 

Diagram ref no 24

This line is used in the power steering / lines / oil cooler system on selected Porsche Cayenne 958 models.

What This Part Does / Functions
• Returns power steering fluid through the hydraulic steering circuit
•  Connects into the power steering oil cooler line system
•  Helps maintain correct steering fluid flow
•  Supports stable power steering performance
•  Helps control power steering fluid temperature
•  Replaces a leaking, damaged, cracked or corroded original return hose
•  Provides correct OE Porsche routing, connection points and fitment
•  Supports smooth steering operation and reliable hydraulic system function.

Why Replace This Part?
Power steering return hoses are exposed to hydraulic fluid, heat, pressure changes, vibration, road debris and age-related wear. Over time, the hose or line connections can crack, corrode, soften, leak or become damaged. A failing return hose can cause power steering fluid loss, whining or groaning noises, heavier steering, fluid residue around the hose area or steering system faults. Replacing it with a Genuine Porsche OE power steering return hose helps restore correct fluid routing and factory fitment.

Common Symptoms of a Faulty Power Steering Return Hose
•  Power steering fluid leaks
•  Low power steering fluid level
•  Whining or groaning noise when turning the steering wheel
•  Heavier steering feel or increased steering effort
•  Fluid residue around the steering line or oil cooler area
•  Air entering the power steering system
•  Steering system vibration or inconsistent assistance
•  Visible damage, corrosion or cracking on the hose / line.

When to Replace This Part
•  If power steering fluid is leaking from the return hose
•  If the hose is cracked, swollen, corroded or damaged
•  If steering noise is traced to fluid loss or air in the system
•  During power steering oil cooler replacement
•  During steering rack, steering pump or hydraulic line repairs
•  If the line fittings are damaged or no longer seal correctly
•  After front-end impact or damage near the steering cooler pipework
•  When restoring the steering system with Genuine Porsche OE parts.

Where It Fits on the Car
This hose fits in the power steering hydraulic return circuit, connected to the power steering oil cooler / return line system. It is part of the steering fluid pipework used to return fluid through the system after it has circulated through the steering components.

Correct routing and secure connection are important to prevent leaks and ensure smooth power steering operation.

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95834796301

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Auxiliary Coolant Pump.
The Genuine Porsche Auxiliary Coolant Pump is an original equipment engine cooling system component designed to provide additional coolant circulation for compatible Porsche models. Manufactured to Porsche's exact specifications for fit, flow rate and durability, this electrically operated auxiliary coolant pump supports the primary cooling system by maintaining coolant flow to critical engine and heating system components, improving thermal management, engine efficiency and passenger comfort.  

Fits:

• Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid V6 2.9L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4 E-Hybrid 2.9L Twin-Turbo V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD 2017-20
• Porsche 971.1 Panamera Turbo S E-Hybrid V8 4.0L 4WD Executive 2017-20
• Porsche 971.2 Panamera 4 E-Hybrid 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 E-Hybrid Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S E-Hybrid 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S E-Hybrid Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera Turbo S E-Hybrid 4.0L V8 2021-23
• Porsche 971.2 Panamera Turbo S E-Hybrid Sport Turismo 4.0L V8 2021-23  

Diagram Ref No 17

Manufactured with a precision-engineered electric motor, high-efficiency impeller and durable composite housing, the auxiliary coolant pump is built to withstand continuous exposure to hot coolant, pressure fluctuations, vibration and repeated thermal cycling. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's engine management and cooling systems, delivering factory-correct performance and long-term reliability.  

What This Product Does:

• Circulates coolant independently of the main water pump when required.
• Supports efficient engine temperature regulation.
• Improves coolant flow through the heating and cooling circuits.
• Assists with cabin heater performance.
• Helps cool critical engine and turbocharger components where applicable.
• Supports efficient engine warm-up and thermal management.
• Restores factory cooling system performance.
• Forms an essential part of the engine cooling system.

Symptoms Of Wear Or Failure:

• Engine overheating under certain operating conditions.
• Reduced or inconsistent cabin heating performance.
• Coolant circulation fault codes.
• Illuminated engine management or cooling system warning light.
• Electric pump failing to operate.
• Whining, grinding or unusual noises from the pump.
• Coolant leaks from the pump housing.
• Poor coolant circulation after engine shutdown where applicable.
• Increased engine operating temperatures.
• Visible damage or coolant residue around the pump.

Why Replacement Matters:

• The auxiliary coolant pump operates whenever additional coolant circulation is required, helping to regulate engine temperature, improve heater performance and protect temperature-sensitive components. Over time, the electric motor, impeller or internal seals can wear due to continuous operation, coolant exposure and repeated heat cycles.
• A faulty auxiliary coolant pump can reduce coolant circulation, leading to poor heater performance, increased engine temperatures and reduced cooling efficiency. In some applications, inadequate coolant flow may also affect turbocharger cooling or cause unnecessary strain on other cooling system components.
• Replacing a worn or faulty pump with a Genuine Porsche component restores efficient coolant circulation and ensures the cooling system operates exactly as designed. Manufactured to Porsche's exact engineering standards, the Genuine Auxiliary Coolant Pump provides factory-correct fitment, reliable performance and exceptional durability, helping maintain optimum engine temperature, passenger comfort and the long-term reliability expected from your Porsche.

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9A7965567

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Temperature Sensor For Particulate Filter.

The Genuine Porsche Temperature Sensor for Particulate Filter is an original equipment emissions control component designed to accurately monitor the operating temperature of the diesel particulate filter (DPF) on compatible Porsche diesel models. Manufactured to Porsche's exact specifications for fit, accuracy and durability, this precision sensor continuously measures exhaust temperatures and transmits real-time data to the engine control unit (ECU), ensuring efficient particulate filter regeneration, emissions compliance and optimum engine performance.

Fits:

• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 8

Manufactured with a high-temperature-resistant sensing element, stainless steel probe and heat-shielded wiring, the sensor is engineered to withstand extreme exhaust temperatures, vibration, moisture and repeated thermal cycling. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's engine management and exhaust after-treatment systems, providing factory-correct fitment and dependable long-term operation.  

What This Product Does:

• Monitors the temperature of the diesel particulate filter (DPF).
• Sends accurate temperature data to the engine control unit (ECU).
• Supports efficient DPF regeneration cycles.
• Helps reduce harmful exhaust emissions.
• Protects the particulate filter from excessive temperatures.
• Optimises engine management and emissions system performance.
• Restores factory emissions monitoring functionality.
• Forms an essential part of the diesel exhaust after-treatment system.

Symptoms Of Wear Or Failure:

• Illuminated engine management or emissions warning light.
• Diesel particulate filter (DPF) warning message.
• Exhaust temperature sensor fault codes.
• Failed or incomplete DPF regeneration.
• Reduced engine performance.
• Vehicle entering limp-home mode.
• Increased fuel consumption.
• Excessive exhaust emissions.
• Blocked or overloaded diesel particulate filter.
• Failed emissions or MOT inspection.

Why Replacement Matters:

• The particulate filter temperature sensor operates in one of the harshest environments on the vehicle, where it is continually exposed to extreme exhaust temperatures, vibration and rapid heating and cooling cycles. Over time, the sensing element can deteriorate, while heat exposure and environmental contamination may affect the wiring or electrical connections.
• A faulty sensor can provide inaccurate temperature readings to the ECU, preventing correct DPF regeneration and reducing the efficiency of the emissions control system. This may lead to soot accumulation, increased exhaust emissions, warning lights and, in severe cases, costly damage to the diesel particulate filter or associated exhaust components.
• Replacing a worn or faulty sensor with a Genuine Porsche component restores accurate temperature monitoring and ensures the diesel particulate filter regeneration process operates correctly. Manufactured to Porsche's exact engineering standards, the Genuine Temperature Sensor for Particulate Filter provides precise fitment, exceptional reliability and long-lasting performance, helping maintain emissions compliance, engine efficiency and the reliability expected from your Porsche.

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Exhaust Gas Temperature Sensor. 

The Genuine Porsche Exhaust Gas Temperature Sensor is an original equipment engine management and emissions control component designed to accurately monitor exhaust gas temperatures on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, accuracy and durability, this precision sensor continuously measures the temperature of the exhaust gases and transmits real-time data to the engine control unit (ECU), allowing the engine and emissions systems to operate efficiently while protecting critical components from excessive heat.  

Fits:

• Porsche 958 Cayenne V6 3.0L Diesel (245Hp) 2010-17
• Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 5 

Manufactured with a high-temperature-resistant sensing element, stainless steel probe and durable, heat-shielded wiring, the sensor is engineered to withstand extreme exhaust temperatures, vibration, thermal cycling and harsh operating conditions. Designed as a direct replacement for the original component, it provides factory-correct fitment and seamless integration with the vehicle's engine management, turbocharging and emissions control systems.  

What This Product Does:

• Monitors exhaust gas temperature.
• Sends accurate temperature data to the engine control unit (ECU).
• Helps protect the turbocharger and exhaust components from excessive heat.
• Supports efficient engine management and fuel control.
• Assists the operation of emissions control systems.
• Optimises engine performance and fuel efficiency.
• Restores factory engine management functionality.
• Forms an essential part of the exhaust and emissions monitoring system.

Symptoms Of Wear Or Failure:

• Illuminated engine management or check engine warning light.
• Exhaust gas temperature sensor fault codes.
• Reduced engine performance.
• Vehicle entering limp-home mode.
• Increased fuel consumption.
• Poor turbocharger performance.
• Incorrect exhaust temperature readings.
• Reduced efficiency of the emissions control system.
• Failed emissions or MOT inspection.
• Intermittent engine management faults.

Why Replacement Matters:

• The exhaust gas temperature sensor operates in one of the harshest environments on the vehicle, where it is continually exposed to extremely high exhaust temperatures, vibration and rapid thermal cycling. Over time, the sensing element can degrade or become contaminated, while the wiring and connectors may suffer from heat-related deterioration.
• A faulty sensor can provide inaccurate temperature readings to the ECU, causing incorrect engine management strategies, increased emissions and reduced engine performance. In turbocharged applications, incorrect exhaust temperature monitoring may also reduce the system's ability to protect the turbocharger and exhaust after-treatment components from excessive heat.
• Replacing a worn or faulty sensor with a Genuine Porsche component restores accurate exhaust temperature monitoring and ensures the engine management system operates as intended. Manufactured to Porsche's exact engineering standards, the Genuine Exhaust Gas Temperature Sensor provides precise fitment, exceptional reliability and long-lasting performance, helping maintain engine efficiency, emissions compliance and the performance expected from your Porsche.

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Radiator coolant hose clamp, B51 x 12
Genuine Porsche OE radiator coolant hose clamp B51x12 for Porsche 955 Cayenne S and 955 Cayenne Turbo models. This original Porsche coolant hose clamp is used within the radiator / cooling hose system, helping secure coolant hoses correctly and maintain a reliable seal under cooling system pressure.
Sold individually, 2 required

Fits:
Porsche 955 Cayenne S 4.5L V8 2003 - 2006
Porsche 955 Cayenne Turbo 4.5L 2003 - 2006
Porsche 955 Cayenne Turbo S 4.5L 2006>>

Diagram ref no 10

This clamp is used on selected Porsche Cayenne 955 cooling system hose connections.

What This Part Does / Functions
•  Secures radiator and coolant hoses in position
•  Helps maintain a tight seal at hose connection points
•  Prevents coolant leaks caused by loose or weakened clamps
•  Supports correct cooling system pressure retention
•  Helps maintain coolant flow through the radiator circuit
•  Provides correct OE Porsche clamp size and fitment
•  Replaces a corroded, weakened, damaged or missing original clamp
•  Supports reliable engine cooling system operation.

Why Replace This Part?
Coolant hose clamps are exposed to heat cycles, coolant, moisture, road debris and engine bay vibration. Over time, a clamp can corrode, weaken, lose tension or become damaged during hose removal. A poor clamp can allow coolant seepage or hose movement, which may lead to coolant loss, low coolant warnings or overheating. Replacing it with a Genuine Porsche OE radiator coolant hose clamp helps ensure the hose is secured using the correct factory-specified clamp for the application.

When to Replace This Part
•   When replacing radiator coolant hoses
•   If the existing clamp is corroded, loose or damaged
•   If coolant seepage is present at the hose connection
•   During radiator, expansion tank or cooling system repairs
•   If the original clamp has lost tension
•   If the clamp was damaged during removal
•   During preventative cooling system overhaul
•   When restoring the vehicle with correct Genuine Porsche hardware.

Where It Fits on the Car
This clamp fits within the engine cooling system / radiator hose assembly. It is used to secure coolant hose connections at the radiator, expansion vessel or related water hose pipework depending on the specific Cayenne application.

Correct positioning is important to ensure the hose seats properly and seals without damage.

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Coolant Pipe To Expansion Tank.

The Genuine Porsche Coolant Pipe to Expansion Tank is an original equipment cooling system hose designed to transfer engine coolant between the cooling system and the expansion tank on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, flexibility and durability, this coolant pipe plays a vital role in maintaining correct coolant circulation, pressure regulation and coolant level management, helping to ensure optimum engine operating temperatures.

Fits:

• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 2014-18

Diagram Ref No 8

Manufactured from premium heat-resistant reinforced rubber and high-quality automotive materials, the coolant pipe is engineered to withstand continuous exposure to hot coolant, pressure fluctuations, engine vibration and repeated thermal cycling. Precision-moulded to match the original routing and connection points, it provides factory-correct fitment and reliable leak-free performance, making it the ideal replacement during cooling system repairs or preventative maintenance.  

What This Product Does:

• Transfers coolant between the engine cooling system and the expansion tank.
• Maintains correct coolant circulation and pressure.
• Supports the expansion and recovery of coolant during temperature changes.
• Helps regulate engine operating temperature.
• Prevents coolant loss through secure, leak-free connections.
• Works with the radiator, thermostat and water pump to maintain cooling system efficiency.
• Restores factory cooling system performance.
• Forms an essential part of the engine cooling system.

Symptoms Of Wear Or Failure:

• Coolant leaks around the hose or connections.
• Low coolant level requiring frequent topping up.
• Visible cracks, swelling or deterioration of the hose.
• Coolant residue around the expansion tank.
• Engine overheating.
• Sweet smell of coolant from the engine bay.
• Soft or collapsed coolant hose.
• Coolant warning light or low coolant message.
• Steam from the engine compartment caused by coolant leakage.
• Visible wear or damage to the hose ends.

Why Replacement Matters:

• The coolant pipe is continually exposed to hot coolant, internal pressure, engine vibration and repeated heating and cooling cycles. Over time, the hose material can harden, crack, swell or weaken, while the connection points may lose their sealing ability, increasing the risk of coolant leaks.
• A leaking or damaged coolant pipe can reduce coolant levels, allowing air to enter the cooling system and increasing the risk of engine overheating. Continued operation with insufficient coolant may lead to severe engine damage, including warped cylinder heads, failed head gaskets and premature wear of internal engine components.
• Replacing a worn or damaged coolant pipe with a Genuine Porsche component restores the integrity of the cooling system and ensures reliable coolant circulation. Manufactured to Porsche's exact engineering standards, the Genuine Coolant Pipe to Expansion Tank provides factory-correct fitment, exceptional durability and dependable long-term performance, helping to maintain the cooling efficiency, reliability and performance expected from your Porsche.

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Bush for rear wheel carrier
Genuine Porsche OE bush for the rear wheel carrier on selected Porsche 955, 957 and 958 Cayenne models. This original Porsche bonded rubber suspension bush fits within the rear wheel carrier / rear axle control arm assembly, helping locate the suspension correctly while absorbing road vibration and suspension movement.
Sold individually, 2 required per vehicle

Fits:
Porsche 955 Cayenne 2003 - 2006
Porsche 957 Cayenne 2007 - 2010

Porsche 958 Cayenne 2011 - 2014
 * not GTS and Turbo S version


Diagram ref No 20

This bush is used in the rear axle wheel carrier / control arm assembly on selected Porsche Cayenne models.

What This Part Does / Functions
•  Helps locate the rear wheel carrier correctly
•   Allows controlled movement within the rear suspension assembly
•   Absorbs road shock, vibration and harshness
•   Supports correct rear suspension geometry
•   Helps maintain rear wheel alignment stability
•   Reduces looseness, knocking and excess movement from worn suspension bushes
•   Provides correct OE Porsche fitment and rubber compliance
•   Replaces a worn, split, perished or loose original bush.

Why Replace This Part?
Rear wheel carrier bushes are exposed to road load, suspension movement, braking force, acceleration load, dirt, water and age-related rubber deterioration. Over time, the rubber can crack, split, soften or separate from the bonded sleeve. A worn bush can cause rear suspension play, knocking noises, vague handling, uneven tyre wear and poor alignment stability. Replacing the bush with a Genuine Porsche OE rear wheel carrier bush helps restore correct suspension control, factory ride quality and stable handling.

Common Symptoms of a Worn Rear Wheel Carrier Bush
•   Knocking or clunking from the rear suspension
•   Rear axle vibration or harshness
•   Uneven rear tyre wear
•   Poor rear wheel alignment stability
•   Rear-end wandering or instability
•   Excessive movement in the rear wheel carrier / suspension arm
•   Suspension noise over bumps
•   Failed MOT / roadworthiness inspection due to bush wear.

When to Replace This Part
•   If the original bush is cracked, split, perished or separated
•   If there is excessive play in the rear wheel carrier
•   During rear suspension overhaul or wheel carrier repair
•   If rear suspension knocking is traced to the bush
•   If rear wheel alignment cannot be held correctly
•   After kerb, pothole or impact damage
•   When replacing related rear suspension arms or hardware
•   When restoring the suspension with correct Genuine Porsche OE parts.

Where It Fits on the Car
This bush fits in the rear axle wheel carrier / rear suspension control arm area. It forms part of the rear suspension assembly and helps connect the wheel carrier/control arm arrangement to the vehicle’s suspension mounting points.

Professional installation is recommended, as the old bush normally needs to be pressed out and the new bush pressed in correctly. A wheel alignment should be checked after suspension work.

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Rear Brake Caliper Mounting Bolt M12 x 1.5 x 85 
Sold each - 2 required per Caliper

Maintain the safety and integrity of your Porsche braking system with this Genuine Porsche Brake Caliper Mounting Bolt, measuring M12 x 1.5 x 85mm. Manufactured by Porsche to the original factory specification, this genuine replacement bolt secures the brake caliper firmly to the suspension upright, ensuring correct alignment and dependable braking performance under all driving conditions.

Fits:

• Porsche 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
• Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L (340Hp) 2020-23
• Porsche 9YA Cayenne S V6 2.9L Petrol (440Hp) 2018-23
• Porsche 9YA Cayenne Coupe S V6 2.9L Petrol (440Hp) 2019-23

9YA Cars with Option Code
1KV  18” Painted Black
1KR 18” Painted Green
1KZ 18” Painted Black
1KX 18” Painted Silver

• Porsche 9YA.2 Cayenne V6 3.0L Petrol (353Hp) 2023>>
• Porsche 9YA.2 Cayenne Coupe V6 3.0L (353Hp) 2023>>

• Porsche 970.1 Panamera V6 3.6L 2WD 2009-13
• Porsche 970.1 Panamera 4 V6 3.6L 4WD 2009-13 
• Porsche 970.1 Panamera S V8 4.8L 2009-13 
• Porsche 970.1 Panamera 4S V8 4.8L 2009-13 
• Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13 
  
• Porsche 970.2 Panamera V6 3.6L 2WD (310Hp) 2014-16 
• Porsche 970.2 Panamera 4 V6 3.6L 4WD (310Hp) 2014-16 
• 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 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16 
  970.1 / 970.2  Cars with Option Codes
  -015: Not GTS
  -450: not for PCCB

• Porsche 971.1 Panamera V6 3.0L 2WD (330 Hp) 2017-20
• Porsche 971.1 Panamera 4 V6 3.0L 4WD (330 Hp) 2017-20
• Porsche 971.1 Panamera 4 V6 3.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4 3.0L Turbocharged V6 Sport Turismo 2017-20
• Porsche 971.1 Panamera 4S V6 3.0L 4WD (440 Hp) 2017-20
• Porsche 971.1 Panamera 4S V6 3.0L 4WD Executive 2017-20
• Porsche 971.1 Panamera 4S 2.9L Twin-Turbo V6 Sport Turismo 2017-20

971.1 Cars with Option Codes
1KF & 1KZ – Rear brake discs, disc diameter 18” Black Calipers
2EF& 2EJ – Rear brake discs, disc diameter 18” Anodised Silver Calipers

• Porsche 971.2 Panamera 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 2.9L V6 2021-23
• Porsche 971.2 Panamera 4 Sport Turismo 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S 2.9L V6 2021-23
• Porsche 971.2 Panamera 4S Sport Turismo 2.9L V6 2021-23

971.2 Cars with Option Codes
A8C – “Standard” equipment
A8F – “S” equipment
2EB – Rear disc brake, standard
2ET – Rear brake discs – disc diameter 18” brake caliper painted Black
2EW – Rear brake disc, standard, Red brake caliper
2EY – Rear brake disc, standard Black brake caliper
0J2 – Load group 1FA/1RA

• Porsche 976 Panamera V6 2.9L 2023>>
• Porsche 976 Panamera 4 V6 2.9L 2023>>

976 Cars with Option Code
FM0 – Basic
0K0 – Without alternative drive system (not Hybrid)

Diagram ref no 8.

This high-strength fixing is engineered to withstand the extreme forces and temperatures generated during braking. Whether replacing damaged hardware, rebuilding the braking system or installing new brake discs or calipers, using Genuine Porsche mounting bolts helps maintain the safety, reliability and performance of your vehicle.

What Does the Brake Caliper Mounting Bolt Do?

The brake caliper mounting bolt is a critical safety component within the braking system.

Its primary functions include:

• Securing the brake caliper to the suspension upright.
• Maintaining precise caliper alignment with the brake disc.
• Withstanding the high braking forces generated during normal and performance driving.
• Preventing caliper movement under heavy braking.
• Helping ensure even brake pad contact and consistent braking performance.

Correct caliper mounting is essential for safe, predictable braking and long-term brake component life.

Why Should Brake Caliper Mounting Bolts Be Replaced?

Brake caliper bolts are subjected to repeated high loads and temperature cycles throughout their service life.

Replacement is recommended because:

• Threads can become stretched or damaged during removal.
• Corrosion may reduce the integrity of the bolt.
• Repeated tightening can affect clamping performance.
• Previous incorrect torque settings may compromise the fixing.
• Brake system upgrades often require new mounting hardware.
• Genuine replacement bolts ensure the correct strength and specification.

Using new genuine hardware helps maintain the correct clamping force specified by Porsche.

When Should They Be Replaced?

Replacement is recommended when:

• Replacing or rebuilding brake calipers.
• Installing new brake discs.
• Performing major brake servicing.
• The original bolt shows signs of corrosion or damage.
• Threads are worn or damaged.
• Carrying out a complete brake system overhaul.
• Following Porsche workshop recommendations where new hardware is specified.

Replacing brake hardware during brake servicing is an important part of maintaining braking safety and reliability.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

9A700758500

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HVAC Heater Control Valve.
The Genuine Porsche HVAC Heater Control Valve is an original equipment heating and climate control component designed to regulate the flow of engine coolant through the heater core on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, performance and durability, this precision-engineered control valve ensures accurate temperature regulation within the passenger compartment by controlling the amount of hot coolant entering the heater matrix.  

Fits:

• Porsche 955 Cayenne 3.2L V6 2003-06
• Porsche 955 Cayenne S 4.5L V8 2003-06
• Porsche 955 Cayenne Turbo 4.5L 2003-06
• Porsche 955 Cayenne Turbo S 4.5L 2006>>
• Porsche 957 Cayenne 3.0L Diesel 2007-10
• Porsche 957 Cayenne 3.6L 2007-10
• Porsche 957 Cayenne S / GTS 4.8L 2007-10
• Porsche 957 Cayenne Turbo / Turbo S 4.8L 2007-10
• 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 9YA Cayenne V6 3.0L Petrol (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe V6 3.0L Petrol (340Hp) 2019-23
• Porsche 9YA Cayenne E-Hybrid V6 3.0L V6 (340Hp) 2018-23
• Porsche 9YA Cayenne Coupe E-Hybrid V6 3.0L (340Hp) 2020-23
• Porsche 9YA Cayenne GTS V8 4.0L Petrol (460Hp) 2020-23
• Porsche 9YA Cayenne Coupe GTS V8 4.0L Petrol (460Hp) 2021-23
• Porsche 9YA Cayenne Turbo V8 4.0L Petrol (550Hp) 2020-23
• Porsche 9YA Cayenne Coupe Turbo V8 4.0L Petrol (550Hp) 2019-23
• Porsche 9YA Cayenne Turbo S E-Hybrid V8 4.0L (550Hp) 2019-23
• Porsche 9YA Cayenne Coupe Turbo S E-Hybrid V8 4.0L (550Hp) 2020-23
• Porsche 9YA Cayenne Coupe Turbo GT V8 4.0L (640Hp) 2021-23
• Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
• Porsche 95B.1 Macan S Diesel 3.0L V6 (258Bhp) 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
• Porsche 95B.2 Macan Petrol 2.0L (245Bhp) 2019-21
• Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
• Porsche 95B.2 Macan GTS Petrol 2.9L V6 (380Bhp) 2019-21
• Porsche 95B.2 Macan Turbo 2.9L V6 (440Bhp) 2019-21  

Diagram Ref No 1

Manufactured from high-quality automotive-grade composite materials with corrosion-resistant internal valve components and durable seals, the heater control valve is engineered to withstand continuous exposure to engine coolant, pressure fluctuations, high operating temperatures and repeated thermal cycling. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's HVAC and engine cooling systems, providing factory-correct operation and long-term reliability.  

What This Product Does:

• Regulates the flow of engine coolant to the heater core.
• Controls cabin heating performance.
• Maintains accurate interior temperature regulation.
• Supports efficient operation of the HVAC system.
• Helps provide rapid cabin warm-up in cold conditions.
• Works with the vehicle's climate control system for consistent comfort.
• Restores factory heating system performance.
• Forms an essential part of the vehicle's heating and cooling system.

Symptoms Of Wear Or Failure:

• No cabin heat or insufficient heating.
• Constant hot air from the vents regardless of temperature setting.
• Inconsistent cabin temperature.
• Coolant leaks around the heater valve.
• Low engine coolant level caused by leakage.
• Dampness or coolant residue around the valve.
• Poor climate control performance.
• Heater taking longer than normal to warm the cabin.
• Engine coolant warning due to coolant loss.
• Visible corrosion or damage to the valve body.

Why Replacement Matters:

• The HVAC heater control valve operates continuously as part of the vehicle's climate control system, regulating hot coolant flow whenever the cabin temperature is adjusted. Over time, exposure to hot coolant, pressure changes and repeated operating cycles can cause the internal valve mechanism or seals to wear, seize or leak.
• A faulty heater control valve can prevent the correct amount of coolant from reaching the heater core, resulting in poor cabin heating, inconsistent temperature control or coolant leaks. Continued operation with a leaking valve can lead to coolant loss, reduced engine cooling efficiency and potential engine overheating if left unresolved.
• Replacing a worn or faulty heater control valve with a Genuine Porsche component restores precise coolant flow regulation and reliable cabin heating performance. Manufactured to Porsche's exact engineering standards, the Genuine HVAC Heater Control Valve provides factory-correct fitment, exceptional durability and dependable long-term performance, ensuring the comfort, reliability and refinement expected from your Porsche.

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95557282405

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Radiator Air Conditioning (Air Con).
The Genuine Porsche Radiator Air Conditioning (Air Con) is an original equipment air conditioning condenser designed to dissipate heat from the refrigerant within the vehicle's climate control system on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, cooling efficiency and durability, this condenser plays a vital role in maintaining efficient air conditioning performance by converting high-pressure refrigerant gas into a high-pressure liquid before it circulates through the remainder of the system.  

Fits:

• Porsche 955 Cayenne 3.2L V6 2003-06
• Porsche 955 Cayenne S 4.5L V8 2003-06
• Porsche 955 Cayenne Turbo 4.5L 2003-06
• Porsche 955 Cayenne Turbo S 4.5L 2006>>
• Porsche 957 Cayenne 3.0L Diesel 2007-10  

Diagram Ref No 1

Manufactured from lightweight, high-efficiency aluminium with precision-brazed cooling tubes and densely packed cooling fins, the condenser is engineered to maximise heat transfer while withstanding high refrigerant pressures, road debris, corrosion and continual thermal cycling. Designed as a direct replacement for the original component, it provides factory-correct fitment and seamless integration with the existing air conditioning system, ensuring optimum cabin cooling and long-term reliability.  

What This Product Does:

• Dissipates heat from the air conditioning refrigerant.
• Converts high-pressure refrigerant gas into liquid.
• Supports efficient operation of the air conditioning system.
• Maintains consistent cabin cooling performance.
• Helps regulate refrigerant pressure throughout the system.
• Works with the compressor, receiver drier and evaporator for effective climate control.
• Restores factory air conditioning efficiency.
• Forms an essential part of the vehicle's climate control system.

Symptoms Of Wear Or Failure:

• Weak or ineffective air conditioning performance.
• Warm air blowing from the cabin vents.
• Refrigerant leaks from the condenser.
• Visible corrosion or damage to the cooling fins.
• Air conditioning compressor cycling excessively.
• Hissing noise caused by refrigerant leakage.
• Oily residue around the condenser.
• Air conditioning system pressure faults.
• Reduced cooling efficiency in hot weather.
• Air conditioning system failing to operate correctly.

Why Replacement Matters:

• The air conditioning condenser is mounted at the front of the vehicle, where it is continually exposed to road debris, moisture, salt, insects and stone impacts. Over time, the cooling fins can become damaged or corroded, while the condenser core may develop leaks that allow refrigerant to escape.
• A faulty condenser reduces the efficiency of the air conditioning system, resulting in poor cabin cooling, increased compressor workload and the loss of refrigerant. Continued operation with a leaking or damaged condenser can lead to compressor damage and more costly repairs to the climate control system.
• Replacing a worn or damaged condenser with a Genuine Porsche component restores the cooling efficiency and reliability of the air conditioning system. Manufactured to Porsche's exact engineering standards, the Genuine Porsche Air Conditioning Radiator (Condenser) provides precise fitment, exceptional heat dissipation and long-lasting durability, ensuring the comfort, performance and reliability expected from your Porsche.

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95557311104

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Spark Plug, IZKR7B
OE Genuine Porsche spark plug for Porsche 955 Cayenne V6 3.2L models from 2003–2006. This original Porsche spark plug provides the ignition spark required for combustion, helping maintain smooth running, reliable starting and correct engine performance.
Sold individually, 6 required per engine

Fits:
Porsche 955 Cayenne 3.2L V6 (2003–2006) – Engine Code: D9J


Listed with spark plug reference IZKR7B, it helps deliver reliable ignition, smooth running and correct engine performance. Ideal for scheduled servicing, misfire diagnosis, ignition system repairs or replacing worn spark plugs with Genuine Porsche parts.

What This Part Does / Functions
•  Produces the ignition spark inside the combustion chamber
•  Ignites the air/fuel mixture at the correct time
•  Supports smooth idle and clean acceleration
•  Helps maintain engine power and fuel efficiency
•  Supports reliable cold starting
•  Helps reduce misfires caused by worn or incorrect spark plugs
•  Provides correct OE Porsche fitment and heat range
•  Replaces worn, fouled or aged original spark plugs.

Why Replace This Part?
Spark plugs are normal ignition service items and wear over time. The electrode gap can increase, the firing tip can become worn, and the plug can become fouled by fuel, oil or carbon deposits. Worn spark plugs may cause poor starting, rough idle, hesitation, misfires, reduced fuel economy and loss of performance. Replacing the spark plugs with OE Genuine Porsche spark plugs helps restore correct ignition performance and keeps the Cayenne 3.2L V6 running as Porsche intended.

When to Replace This Part
•   During scheduled spark plug service
•   If the engine has a misfire or rough idle
•   If starting becomes difficult
•   If acceleration feels hesitant or uneven
•   If fuel economy has reduced
•   If spark plugs are fouled, worn or damaged
•   During ignition coil replacement or ignition system service
•   When recommissioning a vehicle with unknown service history.

Where It Fits on the Car
 This spark plug fits in the engine cylinder head, with one spark plug fitted per cylinder. It works with the ignition coil to generate the spark required for combustion. Correct installation torque and Porsche workshop procedures should always be followed. Ignition coils, plug wells and coil seals should be inspected during replacement.

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95517021990

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Spark Plug, ILZKR7A
The Genuine Porsche 95517022090 spark plug is an OE ignition service part for the Porsche 957 Cayenne 3.6L V6 2007–2010. Listed as ILZKR7A, it helps deliver reliable ignition, smooth running and correct engine performance. Ideal for scheduled servicing, misfire diagnosis, ignition system repairs or replacing worn spark plugs with Genuine Porsche parts.
Sold individually, 6 Required per engine

Fits:
Porsche 957 Cayenne 3.6L V6 2007 - 2010 (PR:D5X)
M55.01 Engine

This plug is listed as Spark Plug ILZKR7A for the Porsche Cayenne 957 3.6L V6 ignition system.

What This Part Does / Functions
•  Produces the ignition spark inside the combustion chamber
•  Helps ignite the air/fuel mixture at the correct time
•  Supports smooth idle and clean acceleration
•  Helps maintain engine power and fuel efficiency
•  Supports reliable cold starting
•  Helps reduce misfires caused by worn or incorrect spark plugs
•  Provides correct OE Porsche fitment and heat range
•  Replaces worn, fouled or aged original spark plugs.

Why Replace This Part?
Spark plugs are normal service items and wear over time. The electrode gap can increase, the firing tip can become worn, and the plug can become fouled by fuel, oil or carbon deposits. Worn spark plugs can cause poor starting, rough idle, hesitation, misfires, reduced fuel economy and loss of engine performance. Replacing the spark plugs with Genuine Porsche OE spark plugs helps restore correct ignition performance and keeps the Cayenne 3.6L V6 running as intended.

When to Replace This Part
•   During scheduled spark plug service
•   If the engine has a misfire or rough idle
•   If starting becomes difficult
•   If acceleration feels hesitant or uneven
•   If fuel economy has reduced
•   If spark plugs are fouled, worn or damaged
•   During ignition coil replacement or ignition system service
•   When recommissioning a vehicle with unknown service history

Where It Fits on the Car
This spark plug fits in the engine cylinder head, one plug per cylinder. It works with the ignition coil to generate the spark needed for combustion. Correct installation torque and Porsche workshop procedures should always be followed. Ignition coils and plug wells should be inspected during replacement.

Related reference numbers
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95517022090

The product you are viewing cross references to these numbers

Brake Servo Change Over Valve.

The Genuine Porsche Brake Servo Change Over Valve is an original equipment braking system component designed to regulate and control the vacuum supply to the brake servo on compatible Porsche models. Manufactured to Porsche's exact specifications for fit, performance and durability, this precision-engineered valve ensures the brake booster receives the correct vacuum assistance, providing consistent brake pedal feel and optimum braking performance under all driving conditions.

Fits:

• Porsche 970.1 Panamera Diesel V6 3.0L 2011-13
• Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16  

Diagram Ref No 22

Manufactured from high-quality automotive-grade composite materials with precision-engineered internal valve mechanisms and durable sealing components, the brake servo change over valve is built to withstand continual vacuum cycling, engine heat and prolonged exposure to the engine bay environment. Designed as a direct replacement for the original component, it integrates seamlessly with the vehicle's vacuum and braking systems to maintain factory-correct operation and reliability.  

What This Product Does:

• Regulates the vacuum supply to the brake servo.
• Maintains consistent brake booster assistance.
• Supports optimum brake pedal feel and response.
• Helps ensure efficient brake servo operation.
• Controls vacuum flow within the braking system.
• Assists reliable braking performance under varying engine conditions.
• Restores factory braking system functionality.
• Forms an essential part of the brake servo vacuum system.

Symptoms Of Wear Or Failure:

• Hard or heavy brake pedal.
• Reduced brake servo assistance.
• Inconsistent brake pedal feel.
• Hissing noise caused by a vacuum leak.
• Illuminated brake system or engine management warning light.
• Vacuum-related fault codes.
• Increased stopping effort.
• Poor brake response during repeated braking.
• Engine idle irregularities caused by vacuum leaks.
• Visible damage or deterioration of the valve housing.

Why Replacement Matters:

• The brake servo change over valve is continually subjected to engine vacuum, pressure fluctuations, heat and repeated operating cycles. Over time, the internal valve mechanism and seals can wear or become contaminated, reducing their ability to regulate vacuum correctly or causing vacuum leaks.
• A faulty valve can reduce brake servo assistance, resulting in a harder brake pedal and increased effort required to stop the vehicle. Vacuum leaks may also affect engine performance and trigger fault codes or warning lights. Continued operation with a defective valve can compromise braking performance and driver confidence.
• Replacing a worn or faulty brake servo change over valve with a Genuine Porsche component restores correct vacuum control and brake servo operation. Manufactured to Porsche's exact engineering standards, the Genuine Brake Servo Change Over Valve provides precise fitment, reliable performance and long-lasting durability, helping maintain the safety, braking efficiency and refinement expected from your Porsche.

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97060512300

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