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Iridium spark plug. Porsche 930 Turbo 1975-89 / 924TT 79-85 - 99917012891
99917012891
Vehicle Group
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
Information
Iridium spark plug BPR8EIX - (Bosch ref W3DP / W3DP0)
Original equipment iridium spark plug, engineered to Porsche factory standards for turbocharged classic engines. Featuring a high-grade iridium centre electrode, this plug offers enhanced durability, precise ignition performance, and long service life while maintaining full OE compatibility.
Sold individually, 6 Required for 911 engines / 4 Required for 924 engines.
Fits:
Porsche 930 3.0 Turbo 01.75 - 12.77 191kw 260hp Engine type 930.50, 930.52
Porsche 930 3.3 Turbo 06.86 - 08.89 221kw 300hp Engine type 930.66
Porsche 924 2.0 Turbo 06.80 - 10.86 130kw 177hp Engine type M31.03
Porsche 911E 2.0L 09.68 - 12.69 103kw 140hp Engine type 901.09, 901.11
Porsche 911S 2.0L 07.66 - 11.68 118kw 160hp Engine type 901.02 901.08
Porsche 911S 2.0L 09.68 - 12.69 125kw 170hp Engine type 901.10
Porsche 911E 2.2L 09.69 - 12.71 114kw 155hp Engine type 911.01, 911.04
Porsche 911S 2.2L 09.69 - 12.71 132kw 180hp Engine type 911.02
This iridium spark plug ignites the compressed air-fuel mixture inside the combustion chamber, enabling controlled combustion and efficient power delivery. The fine iridium electrode produces a strong, focused spark, helping turbocharged engines achieve smoother running, improved throttle response, and reliable ignition under higher cylinder pressures.
Functions & Technical Role:
• High-energy ignition spark for efficient combustion
• Iridium electrode technology for exceptional wear resistance
• Improved ignition stability under turbocharged operating conditions
• Enhanced cold starting performance
• Reduced misfires and uneven running
• Factory-matched heat range & gap for Porsche turbo engines
• Longer service intervals compared to conventional spark plugs
Spark plugs are critical to combustion efficiency, especially in turbocharged engines where cylinder pressures are higher. Over time, electrode wear and carbon build-up reduce spark quality, leading to misfires, poor boost response, and reduced performance. Replacing worn plugs restores reliable ignition, protects engine components, and helps maintain smooth, consistent power delivery.
When to replace spark plugs:
• At Porsche-recommended service intervals
• During routine servicing or ignition system checks
• If experiencing misfires, hesitation, or rough idle
• When cold starting becomes more difficult
• If boost response or performance drops
• During engine rebuilds or restorations
• After long-term vehicle storage before returning to use
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917012891
The product you are viewing cross references to these numbers
Original equipment iridium spark plug, engineered to Porsche factory standards for turbocharged classic engines. Featuring a high-grade iridium centre electrode, this plug offers enhanced durability, precise ignition performance, and long service life while maintaining full OE compatibility.
Sold individually, 6 Required for 911 engines / 4 Required for 924 engines.
Fits:
Porsche 930 3.0 Turbo 01.75 - 12.77 191kw 260hp Engine type 930.50, 930.52
Porsche 930 3.3 Turbo 06.86 - 08.89 221kw 300hp Engine type 930.66
Porsche 924 2.0 Turbo 06.80 - 10.86 130kw 177hp Engine type M31.03
Porsche 911E 2.0L 09.68 - 12.69 103kw 140hp Engine type 901.09, 901.11
Porsche 911S 2.0L 07.66 - 11.68 118kw 160hp Engine type 901.02 901.08
Porsche 911S 2.0L 09.68 - 12.69 125kw 170hp Engine type 901.10
Porsche 911E 2.2L 09.69 - 12.71 114kw 155hp Engine type 911.01, 911.04
Porsche 911S 2.2L 09.69 - 12.71 132kw 180hp Engine type 911.02
This iridium spark plug ignites the compressed air-fuel mixture inside the combustion chamber, enabling controlled combustion and efficient power delivery. The fine iridium electrode produces a strong, focused spark, helping turbocharged engines achieve smoother running, improved throttle response, and reliable ignition under higher cylinder pressures.
Functions & Technical Role:
• High-energy ignition spark for efficient combustion
• Iridium electrode technology for exceptional wear resistance
• Improved ignition stability under turbocharged operating conditions
• Enhanced cold starting performance
• Reduced misfires and uneven running
• Factory-matched heat range & gap for Porsche turbo engines
• Longer service intervals compared to conventional spark plugs
Spark plugs are critical to combustion efficiency, especially in turbocharged engines where cylinder pressures are higher. Over time, electrode wear and carbon build-up reduce spark quality, leading to misfires, poor boost response, and reduced performance. Replacing worn plugs restores reliable ignition, protects engine components, and helps maintain smooth, consistent power delivery.
When to replace spark plugs:
• At Porsche-recommended service intervals
• During routine servicing or ignition system checks
• If experiencing misfires, hesitation, or rough idle
• When cold starting becomes more difficult
• If boost response or performance drops
• During engine rebuilds or restorations
• After long-term vehicle storage before returning to use
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917012891
99917012890
99917012891
The product you are viewing cross references to these numbers
Price: €46.59
Orderable
Related products
Vehicle Group
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 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 Turbo 3.6L V6 (400Bhp) 2014-18
Information
Spark plug, FR5 NPP
The Porsche Genuine OE Spark Plug 99917023590 is the factory-specified ignition plug for petrol-powered Macan, Cayenne, and Panamera models with 3.0L and 3.6L V6 engines from approximately 2014 to 2018. It delivers the reliable spark, combustion quality, and durability expected from OE Porsche components, maintaining smooth engine performance and efficient burn throughout the lifespan of the engine.
Sold individually, 6 spark plugs required per engine.
Fits:
Porsche 95B.1 Macan S 3.0L / Turbo 3.6L 2014 - 2018
Porsche 958 Cayenne 3.6L V6 Turbo / V6 Turbo GTS 2015 - 2018
Porsche 970.2 Panamera S 3.0L 2014 - 2016
Designed as a direct replacement for both 99917023590 and the earlier 99917023390, this spark plug installs without modification and is ideal for routine servicing, scheduled maintenance, or replacement of worn ignition components.
Spark plugs play a vital role in the engine’s ignition system by producing the electrical spark that ignites the air-fuel mixture in each cylinder. Proper ignition ensures smooth engine starting, efficient combustion, and stable performance across idle and load conditions. This OE spark plug ensures the correct heat range, electrode design, and spark characteristics Porsche engineers specified for optimal combustion performance.
• Routine engine servicing and ignition tune-ups
• Replacing worn or fouled spark plugs to restore smooth performance
• Ignition system refresh during diagnostic work
• Routine maintenance to support fuel economy and emissions performance
• OEM part fit for restorations or warranty-compliant repairs
Spark plugs gradually wear due to heat, carbon build-up, and electrode erosion. As they age, the spark can weaken and combustion becomes less efficient, leading to rough idle, hesitation, poorer fuel economy, and increased emissions. Replacing plugs with Genuine Porsche OE spark plugs ensures correct gap, heat range, and ignition performance - preserving engine smoothness and power delivery to factory levels.
When to replace:
• At manufacturer-recommended service intervals
• During routine ignition system servicing
• If experiencing misfires, rough idle, or hesitation
• When engine starting becomes inconsistent
• If fuel economy drops or emissions increase
• During engine diagnostics or rebuild work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917023590
The product you are viewing cross references to these numbers
The Porsche Genuine OE Spark Plug 99917023590 is the factory-specified ignition plug for petrol-powered Macan, Cayenne, and Panamera models with 3.0L and 3.6L V6 engines from approximately 2014 to 2018. It delivers the reliable spark, combustion quality, and durability expected from OE Porsche components, maintaining smooth engine performance and efficient burn throughout the lifespan of the engine.
Sold individually, 6 spark plugs required per engine.
Fits:
Porsche 95B.1 Macan S 3.0L / Turbo 3.6L 2014 - 2018
Porsche 958 Cayenne 3.6L V6 Turbo / V6 Turbo GTS 2015 - 2018
Porsche 970.2 Panamera S 3.0L 2014 - 2016
Designed as a direct replacement for both 99917023590 and the earlier 99917023390, this spark plug installs without modification and is ideal for routine servicing, scheduled maintenance, or replacement of worn ignition components.
Spark plugs play a vital role in the engine’s ignition system by producing the electrical spark that ignites the air-fuel mixture in each cylinder. Proper ignition ensures smooth engine starting, efficient combustion, and stable performance across idle and load conditions. This OE spark plug ensures the correct heat range, electrode design, and spark characteristics Porsche engineers specified for optimal combustion performance.
• Routine engine servicing and ignition tune-ups
• Replacing worn or fouled spark plugs to restore smooth performance
• Ignition system refresh during diagnostic work
• Routine maintenance to support fuel economy and emissions performance
• OEM part fit for restorations or warranty-compliant repairs
Spark plugs gradually wear due to heat, carbon build-up, and electrode erosion. As they age, the spark can weaken and combustion becomes less efficient, leading to rough idle, hesitation, poorer fuel economy, and increased emissions. Replacing plugs with Genuine Porsche OE spark plugs ensures correct gap, heat range, and ignition performance - preserving engine smoothness and power delivery to factory levels.
When to replace:
• At manufacturer-recommended service intervals
• During routine ignition system servicing
• If experiencing misfires, rough idle, or hesitation
• When engine starting becomes inconsistent
• If fuel economy drops or emissions increase
• During engine diagnostics or rebuild work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917023590
99917023390
99917023590
The product you are viewing cross references to these numbers
Price: €28.19
Arriving soon
Vehicle Group
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- 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
Information
Ignition coil Porsche Macan / Cayenne / Panamera
(6 per car) price is each
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94660210404
The product you are viewing cross references to these numbers
(6 per car) price is each
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94660210404
94660210400
94660210401
94660210402
94660210404
The product you are viewing cross references to these numbers
Price: €99.92
In stock
Vehicle Group
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- 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 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
- Porsche 95B.2 Macan S Petrol 3.0L V6 (354Bhp) 2019-21
Information
Keep your Porsche running at peak performance with our complete Ignition Coils Service Kit.
Price is Each (6pcs Required per engine).
For optimal engine efficiency, Porsche recommends replacing ignition coils at regular intervals - every 30,000 miles for the Macan and every 40,000 miles for the Cayenne and Panamera. When ignition coils begin to fail, you may notice a check engine light triggered by a cylinder misfire. This can lead to reduced performance, rough running, poor fuel efficiency, and in severe cases, engine damage.
Fits:
Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
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 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
Porsche 95B.2 Macan S Petrol 3.0L V6 354Bhp 2019-21
What Does an Ignition Coil Do?
An ignition coil is a crucial part of your vehicle’s ignition system. It converts the battery’s low voltage into the high-voltage current needed to create a spark at the spark plug — igniting the air-fuel mixture inside each cylinder.
When an ignition coil starts to fail, you may experience:
• Engine misfires: Jerking or shuddering during acceleration due to incomplete combustion.
• Rough idling: Noticeable vibration or shaking when the vehicle is at rest.
• Reduced engine power: Sluggish acceleration or loss of performance.
• Illuminated check engine light: Often indicating a misfire code. Hard starting or backfiring: Caused by inconsistent or weak sparks.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94660210404
The product you are viewing cross references to these numbers
Price is Each (6pcs Required per engine).
For optimal engine efficiency, Porsche recommends replacing ignition coils at regular intervals - every 30,000 miles for the Macan and every 40,000 miles for the Cayenne and Panamera. When ignition coils begin to fail, you may notice a check engine light triggered by a cylinder misfire. This can lead to reduced performance, rough running, poor fuel efficiency, and in severe cases, engine damage.
Fits:
Porsche 958 Cayenne V6 3.6L Petrol 300Hp 2010-17
Porsche 958 Cayenne S V8 4.8L Petrol 400HP 2010-17
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 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
Porsche 95B.2 Macan S Petrol 3.0L V6 354Bhp 2019-21
What Does an Ignition Coil Do?
An ignition coil is a crucial part of your vehicle’s ignition system. It converts the battery’s low voltage into the high-voltage current needed to create a spark at the spark plug — igniting the air-fuel mixture inside each cylinder.
When an ignition coil starts to fail, you may experience:
• Engine misfires: Jerking or shuddering during acceleration due to incomplete combustion.
• Rough idling: Noticeable vibration or shaking when the vehicle is at rest.
• Reduced engine power: Sluggish acceleration or loss of performance.
• Illuminated check engine light: Often indicating a misfire code. Hard starting or backfiring: Caused by inconsistent or weak sparks.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94660210404
94660210400
94660210401
94660210402
4148850000
94660210403
9466021040
94660210404
The product you are viewing cross references to these numbers
Price: €23.80
In stock