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Spark Plugs

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99917013090
Product Information
Product Information
Spark plug, FGR 5 NQE 04
This Porsche Genuine OE Spark Plug is a factory-designed ignition part for petrol-powered Porsche models including mid-engined Boxster and Cayman platforms, 997-generation 911, Cayenne S V8, and Panamera V6/V8. It delivers consistent combustion performance, supports smooth starting and operation, and preserves the exact ignition characteristics intended by Porsche engineers.
Sold individually, 6 or 8 required per engine.

Fits:
Porsche 987.2 Boxster 2009 - 2012  (6 Required)

Porsche 987C.2 Cayman MKII 2009 - 2012
(6 Required)
Porsche 987C Cayman R (6 Required)

Porsche 997.2 Carrera 2009 - 2012
(6 Required)

Porsche 957 Cayenne S / GTS 4.8L 2007 - 2010 [Chassis number: M905541>> and MG904965>>]  (8 Required)
Porsche 958 Cayenne S 4.8L 2011 - 2018  (8 Required)

Porsche 970 Panamera 3.6L V6 2WD 2010 - 2016  (6 Required)
Porsche 970 Panamera 4 3.6L V6 4WD 2010 - 2016  (6 Required)
Porsche 970 Panamera S 4.8L V8  2010 - 2016  (8 Required)
Porsche 970 Panamera 4S 4.8L V8  2010 - 2016  (8 Required)
 
Spark plugs are essential for creating the electrical spark that ignites the air-fuel mixture inside the engine’s combustion chamber. The correct OE spark plug delivers the right spark intensity and timing, which helps the engine start reliably, run smoothly, and produce optimal power.

Spark plugs wear over time due to electrode erosion and combustion deposits. Worn plugs can lead to misfires, rough idle, sluggish throttle response, and reduced fuel economy. Replacing them with genuine OE Porsche spark plugs ensures the correct gap, heat range, and ignition quality matched to your engine - helping maintain smooth performance and driving enjoyment.

When to replace spark plugs:
  At manufacturer-recommended service intervals
  During routine engine tune-ups
  If experiencing misfires, hesitation, or rough idle
  When cold starting becomes harder
  If fuel economy drops
  During engine diagnostics or repair work

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Related, superseded, cross reference or alternative numbers for comparison.

99917013090
99917013090
99917012290
99917015190

The product you are viewing cross references to these numbers
99917013090/1
Product Information
Product Information
Spark plug, FGR 5 NQE 04
The Bosch spark plug with Porsche reference 99917013090 is an OEM-quality ignition component engineered for a range of Porsche six-cylinder and select V8 engines. It delivers consistent combustion performance, supports smooth starting and operation, and preserves the exact ignition characteristics intended by Porsche engineers.
Sold individually, 6 or 8 required per engine.

Fits:
Porsche 987.2 Boxster 2009 - 2012  (6 Required)

Porsche 987C.2 Cayman 2009 - 2012 (6 Required)
Porsche 987C Cayman R (6 Required)

Porsche 997.2 Carrera 2009 - 2012 (6 Required)

Porsche 957 Cayenne S / GTS 4.8L 2007 - 2010 [Chassis number: M905541>> and MG904965>>]  (8 Required)
Porsche 958 Cayenne S 4.8L 2011 - 2018  (8 Required)

Porsche 970 Panamera 3.6L V6 2WD 2010 - 2013  (6 Required)
Porsche 970 Panamera 4 3.6L V6 4WD 2010 - 2013  (6 Required)
Porsche 970 Panamera S 4.8L V8  2010 - 2013  (8 Required)
Porsche 970 Panamera 4S 4.8L V8  2010 - 2013  (8 Required)

Designed to meet exact Porsche specifications, this spark plug delivers consistent ignition, efficient combustion, and dependable performance across diverse driving conditions.

Spark plugs play a crucial role in engine operation by generating the electrical spark that ignites the air-fuel mixture in the combustion chamber. Properly specified spark plugs help maintain smooth idling, strong throttle response, reliable cold starts, and optimal fuel economy. Worn or incorrect spark plugs can cause misfires, rough running, reduced power, and increased emissions.

Manufactured by Bosch, a trusted original equipment supplier to Porsche, this spark plug features durable construction, precise heat range, and high-quality electrode design for long service life and stable ignition performance. Supplied as a single unit, multiple spark plugs should be ordered for full engine service.

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

99917013090
99917013090
99917012290
99917015190

The product you are viewing cross references to these numbers
99917023590/1
Product Information
Product Information
Spark plug. FR5 NPP.

Fits:
Porsche 95B Macan S 3.0L / Turbo 3.6L 2014-18
Porsche 958 Cayenne 3.6L V6 Turbo / V6 Turbo GTS 2015-18
Porsche 970 Panamera S 3.0L 2014-16

Spark plugs are essential to engine operation, creating the electrical spark that ignites the air-fuel mixture inside the combustion chamber. A correctly specified spark plug helps maintain smooth engine running, stable idle, responsive throttle input, and optimal fuel efficiency. Worn or incorrect spark plugs can cause misfires, rough running, reduced power, and increased fuel consumption.

Manufactured by Bosch, a globally trusted original equipment supplier, this spark plug is produced with precise heat range and electrode design to ensure consistent ignition performance and long service life. Built to withstand high temperatures and demanding operating conditions, it delivers dependable performance for both everyday driving and high-load use.



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

99917023590
99917023390
0242245585
99917023590

The product you are viewing cross references to these numbers
DISPLAYING 17 to 19 (of 19 products)
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About Spark Plugs

Porsche Spark Plugs | Design911 High-Performance Ignition Components for Power & Efficiency

Spark plugs play a vital role in the performance, efficiency, and reliability of your Porsche’s engine. They ignite the air-fuel mixture inside the combustion chamber, creating the precise explosion needed to generate power. High-quality spark plugs ensure clean ignition, smooth acceleration, and reduced emissions — helping your Porsche perform exactly as intended on every drive.

At Design911, we stock a full range of spark plugs from leading manufacturers, engineered for superior conductivity, heat resistance, and long service life. Available in iridium, platinum, and copper-core designs, each spark plug is precision-crafted to match your Porsche’s specific ignition requirements. Ideal for routine maintenance, tuning, or complete engine rebuilds, our spark plugs ensure reliable performance from idle to redline.

What Do Spark Plugs Do?

Spark plugs are critical ignition components that deliver the electric spark required to ignite the air-fuel mixture in the combustion chamber.

Core Functions:
• Create a high-voltage spark to initiate combustion.
• Ensure smooth, efficient engine operation.
• Support optimal fuel economy and throttle response.
• Reduce emissions through clean, consistent ignition.
• Maintain balanced power delivery and idle stability.

When properly maintained, spark plugs enhance both performance and fuel efficiency, ensuring your Porsche runs with precision and reliability.

Why Do Spark Plugs Fail or Degrade?

Spark plugs operate under intense pressure, heat, and chemical exposure — gradually wearing down over time and mileage.

Common Causes of Failure Include:
• Electrode wear from prolonged high-temperature operation.
• Carbon or oil fouling from incomplete combustion.
• Cracked or degraded insulators due to thermal stress.
• Incorrect heat range or plug gap settings.
• Age-related corrosion or weakened spark performance.

Failing spark plugs can cause rough idling, misfires, reduced fuel economy, and loss of power — making regular replacement essential to maintain your Porsche’s performance.

Why Replace or Upgrade Your Porsche Spark Plugs?

Replacing worn spark plugs restores full ignition efficiency, fuel economy, and responsiveness. Upgrading to performance-grade materials can also improve durability and spark precision for motorsport or tuned applications.

Key Benefits:
• Restores smooth acceleration and idle stability.
• Improves fuel efficiency and throttle response.
• Reduces misfires, vibration, and engine hesitation.
• Available in platinum, iridium, and copper-core configurations.
• Compatible with Porsche 911, 944, 968, Boxster, Cayman, Panamera, and Macan models.
• Ideal for servicing, tuning, or complete engine rebuilds.

Design911’s Porsche spark plugs deliver performance, precision, and protection — ensuring consistent ignition and long-lasting reliability for your Porsche engine.

Highlights

• Premium Porsche spark plugs for all engine types.
• Precision-engineered for reliable combustion and performance.
• Available in standard and high-performance variants.
• Improves efficiency, throttle response, and emissions.
• Fits both classic and modern Porsche models.
• Perfect for servicing, performance tuning, or restoration.

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