spark plug Genuine Porsche part 95517021990

Spark Plug, IZKR7B
The Bosch spark plug (0 242 135 510 / IZKR7B) is an OEM-quality replacement designed specifically for the Porsche 955 Cayenne 3.2L V6 with engine code D9J. Manufactured as a direct replacement for Porsche part number 95517021990, this spark plug delivers reliable ignition performance, efficient combustion, and long-lasting durability.
Sold individually, 6 required per engine

Fits:
Porsche 955 Cayenne 3.2L V6 (2003–2006) – Engine Code: D9J
Spark plugs are a critical part of the ignition system, producing the spark that ignites the air-fuel mixture within each cylinder. Correct ignition timing and a strong, consistent spark are essential for smooth engine operation, optimum fuel economy, responsive acceleration, and reduced exhaust emissions. As spark plugs wear, ignition efficiency gradually declines, which can lead to rough idling, reduced performance, increased fuel consumption, and engine misfires.
Key Features & Benefits
•  Genuine Bosch OEM-quality spark plug
•  Direct replacement for Porsche 95517021990
•  Bosch part number 0 242 135 510 (IZKR7B)
•  Optimised heat range for the Porsche 3.2L V6 engine
•  Supports efficient combustion and fuel economy
•  Helps reduce misfires and improve throttle response
•  OEM-quality fit, performance, and durability
Why Replacing Spark Plugs Matters
Spark plugs naturally wear over time, reducing the strength and consistency of the ignition spark. Replacing them at the recommended service interval helps restore engine performance, improve fuel efficiency, reduce emissions, and ensure reliable starting in all driving conditions.
When to Replace Spark Plugs
•  At the manufacturer's recommended service interval
•  If the engine misfires or idles roughly
•  Poor fuel economy
•  Difficult starting or hesitation under acceleration
•  Reduced engine performance
•  During a scheduled ignition system service

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Related, superseded, cross reference or alternative numbers for comparison.

95517021990

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Spark Plug, ILZKR7A
The Bosch Double Iridium spark plug (0 242 140 528) is an OEM-quality replacement designed for the Porsche 957 Cayenne 3.6L V6. Manufactured as a direct replacement for Porsche part number 95517022090, this premium spark plug delivers reliable ignition performance, efficient combustion, and long service life.
Sold individually, 6 Required per engine

Fits:
Porsche 957 Cayenne 3.6L V6 2007 - 2010 (PR:D5X)
M55.01 Engine
A genuine Bosch Double Iridium spark plug, manufactured as a direct replacement for Porsche part number 95517022090, It Creates a powerful, consistent spark to ignite the air-fuel mixture, promoting efficient combustion, smooth engine operation, reliable starting, and optimum fuel efficiency.
Key Features & Benefits
•  Genuine Bosch OEM-quality spark plug
•  Double Iridium electrode technology
•  Direct replacement for Porsche 95517022090
•  Long service life with excellent wear resistance
•  Strong, consistent ignition performance
•  Helps improve fuel economy and reduce emissions
•  Supports smooth idling and responsive engine performance
Why Replacing Spark Plugs Matters
Spark plugs gradually wear with normal use, reducing ignition efficiency and engine performance. Replacing them at the recommended interval helps maintain smooth running, reliable starting, optimum fuel economy, and lower exhaust emissions while protecting the ignition system from unnecessary strain.
When to Replace Spark Plugs
•   At the manufacturer's recommended service interval
•   If the engine misfires or runs roughly
•   Difficult starting or poor cold-start performance
•   Reduced fuel economy Loss of engine performance or throttle response
•   As part of a scheduled ignition system service

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

95517022090

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Spark Plug ILZKR7A.
The OE Match Spark Plug ILZKR7A is a premium-quality replacement ignition component designed to deliver consistent spark performance and efficient combustion in compatible Porsche petrol engines. Manufactured to OE specifications for fit, heat range and ignition performance, this ILZKR7A spark plug ensures reliable ignition of the air and fuel mixture, helping to maximise engine power, fuel economy and emissions efficiency.
Sold Each.
x6 Required Per Engine.
Fits:

Symptoms Of Wear Or Failure:

• Engine misfires.
• Rough or unstable idle.
• Reduced engine power and acceleration.
• Increased fuel consumption.
• Difficult starting or prolonged cranking.
• Hesitation during acceleration.
• Illuminated engine management or check engine warning light.
• Poor throttle response.
• Increased exhaust emissions.
• Worn, fouled or eroded spark plug electrodes.

Why Replacement Matters:

• Spark plugs operate in one of the harshest environments within the engine, producing thousands of sparks every minute while being exposed to extreme heat, pressure and combustion deposits. Over time, the electrodes naturally wear, the spark gap increases and carbon deposits can reduce ignition efficiency.
• A worn spark plug can cause incomplete combustion, engine misfires, rough running and increased fuel consumption. Continued operation with deteriorated spark plugs may also place additional strain on the ignition coils and allow unburnt fuel to enter the exhaust system, potentially shortening the lifespan of the catalytic converter.
• Replacing worn spark plugs at the recommended service interval restores optimum combustion efficiency, smooth engine performance and dependable starting. The OE Match Spark Plug ILZKR7A is manufactured to OE standards to provide factory-style fitment, reliable ignition performance and long-lasting durability, helping maintain the performance, efficiency and reliability expected from your Porsche.

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

95517022090

The product you are viewing cross references to these numbers

Spark Plug IZKR7B.
The OE Match Spark Plug IZKR7B is a premium-quality replacement ignition component designed to provide reliable spark generation and efficient combustion for compatible Porsche petrol engines. Manufactured to OE specifications for fit, heat range and ignition performance, this IZKR7B spark plug delivers consistent ignition of the air and fuel mixture, ensuring optimum engine performance, fuel efficiency and reduced exhaust emissions.  
Sold Each.
x6 Required Per Engine.
Fits:
Symptoms Of Wear Or Failure:

• Engine misfires.
• Rough or unstable idle.
• Loss of engine power or poor acceleration.
• Increased fuel consumption.
• Difficult starting or prolonged cranking.
• Hesitation during acceleration.
• Illuminated engine management or check engine warning light.
• Poor throttle response.
• Increased exhaust emissions.
• Fouled, worn or eroded spark plug electrodes.

Why Replacement Matters:

• Spark plugs are subjected to thousands of ignition events every minute while operating in an environment of extreme heat, pressure and combustion deposits. Over time, electrode wear, carbon build-up and an increasing spark gap reduce ignition efficiency, leading to incomplete combustion and reduced engine performance.
• A worn spark plug can cause engine misfires, rough running, increased fuel consumption and higher emissions. Continued operation with deteriorated spark plugs can also place additional strain on the ignition coils and allow unburnt fuel to enter the exhaust system, potentially shortening the lifespan of the catalytic converters.
• Replacing worn spark plugs at the recommended service interval restores efficient combustion, smooth engine performance and dependable starting. The OE Match Spark Plug IZKR7B is manufactured to OE standards to provide factory-style fitment, reliable ignition performance and long-lasting durability, helping maintain the performance, efficiency and reliability expected from your Porsche.

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

95517021990

The product you are viewing cross references to these numbers

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

95517022090

The product you are viewing cross references to these numbers