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Spark Plugs

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DISPLAYING 1 to 16 (of 19 products)
1 2
99760210405/1KIT
Product Information
Product Information
Ignition Coil Packs. PACK OF 6

beru

Fits:
Porsche Boxster 986 2.5L 1997-99
Porsche Boxster 986 2.7L 1999-02
Porsche Boxster S 986 3.2L 1999-02
Porsche 996 C2 3.4L 1997-08/01
Porsche 996 C4 3.4L 1997-08/01

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Related, superseded, cross reference or alternative numbers for comparison.

99760210405
99760210700
99760210702
99660210200
99760210702
99660210101
99660210200
99760210700
0986221116
99760210405
997.602.104.05
997 602 104 05
99760210404
997.602.104.04
997 602 104 04
99760210402
997.602.104.02
997 602 104 02
99760210406
997.602.104.06
997 602 104 06
99760210403
997.602.104.03
997 602 104 03
99760210401
997.602.104.01
997 602 104 01
99760210400
997.602.104.00
997 602 104 00
99660210400
996.602.104.00
996 602 104 00
997.602.107.00
997 602 107 00
996.602.101.01
996 602 101 01
99660210501
996.602.105.01
996 602 105 01
99660210500
996.602.105.00
996 602 105 00
9760210702
90038502501
900.385.025.01
900 385 025 01
99660210100
996.602.101.00
996 602 101 00
99917020791
99610532552

The product you are viewing cross references to these numbers
SERVICEPACK996/8
Product Information
Product Information
Ignition coil packs PACK OF 6  (if you require screws order code 90006708901) 

Replacing your ignition coils increases spark amperage by 100%, boosting spark energy for improved ignition and combustion. This is particularly beneficial for forced induction applications but also enhances the performance of naturally aspirated engines.

Designed to boost horsepower and torque throughout the RPM range while reducing fuel consumption. One Ignition coil required per cylinder, meaning six coils are needed for the engine

oematch

Fits:
Porsche Boxster 986 2.5L 1997-99
Porsche Boxster 986 2.7L 1999-02
Porsche Boxster S 986 3.2L 1999-02
Porsche 996 C2 3.4L 1997-08/01
Porsche 996 C4 3.4L 1997-08/01



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Related, superseded, cross reference or alternative numbers for comparison.

SERVICEPACK996
99760210700
99760210702
99660210200
99760210702
99660210101
99660210200
99760210700
0986221116
99760210703
99760210703
99917020791
90006708901
99610532552

The product you are viewing cross references to these numbers
4201Rx6
Product Information
Product Information
Performance Ignition Coil Pack.  6 Required per engine. PACK OF 6.


Fits:
Porsche 911 (996)
Porsche 911 (997)
Porsche Boxster
Porsche Cayman

The Plasma Direct is an ignition coil with a built-in high-power amplifier. Plasma Direct Coils produce 4 times more spark energy than stock coils, and generate an ultra-fast multi-spark-discharge of 10 sparks up to highest RPM.

The spark amperage is increased by 100%, allowing the spark to reach many more molecules, which therefore accelerates the ignition and combustion processes. This is extremely important in forced induction applications, but also improves the performance of normally aspirated engines.
The Plasma Direct will increase horsepower and torque throughout the entire RPM range, as well as reducing fuel consumption. Even engines with legendary smoothness will be further refined with the Plasma Direct upgrade. Plasma Direct coils are OBD II compliant.

- 100% secondary current (Spark Amperage) increase.
- 4 times spark energy increase for the initial spark discharge.
- 8% Fuel Saving
- Easy installation.
- Compatible with all OEM components.
- Compatible with OBD-II (On-Board-Diagnostics).



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

4201Rx6
99760210402
99760210400
99660210400
99760210404
0986221119
90660210200
90660210301
99660210100
99660210101
99660210200
99760210401
99760210700
99760210702
99760210406
99760210405
90660210101
99760210703
4201R

The product you are viewing cross references to these numbers
99610532552/1KIT
Product Information
Product Information
Set of 6 replacement spark plug tubes with new o-rings.


Fits:
Porsche 986 Boxster / Boxster S 1997-02
Porsche 996 C2 / C4 3.4L 1998-01



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

99610532552
99970734341
99970721540

The product you are viewing cross references to these numbers
99917020791/1x6
Product Information
Product Information
Spark Plugs (PACK OF 6). Porsche 996 3.4L / Boxster 986.

bosch

Spark Plug (Bosch cross reference 14FGR 6KQU)

Fits:
Porsche 986 Boxster 2.7L 2000-04
Porsche 986 Boxster S 3.2L 2000-04
Porsche 996 Carrera 3.4L >>2001

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

99917020791
99917020791

The product you are viewing cross references to these numbers
Special Order item
99610442502
Product Information
Product Information
Guard plate cylinder head.

porsche

Fits:
996 Carrera C2 / C4 3.4L 1997-01
with engine code M96.01/02 and 04

Click 'Zoom in' for large parts diagram.
Diagram ref no 37.



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99610442502
99610442502

The product you are viewing cross references to these numbers
Special Order item
90006708901
Product Information
Product Information
porsche

Ignition Coil Pack Screw. M6 X 25

Note: These are for use with the original smaller bodied Porsche ignition coils. If in doubt please seek clarification before purchase/installation.

12pcs Required per car

Fits:
Porsche 996
Porsche 986 Boxster
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 Turbo
Porsche 987
Porsche 987C Cayman
Porsche 997 3.6L, 3.8L / 997 GT3

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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90006708901
90006708901
90006700801

The product you are viewing cross references to these numbers
Special Order item
90038502501
Product Information
Product Information
porsche

Ignition Coil Pack Torx Screw. M6 X 40

Note: These are for use with the larger body type modified Porsche coil packs, not the smaller bodied coil packs originally installed by Porsche. If in doubt please seek clarification before purchase/installation.

12 pcs Required per car

Fits:
Porsche 996
Porsche 986 Boxster
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 Turbo
Porsche 987
Porsche 987C Cayman
Porsche 997 3.6L, 3.8L / 997 GT3

Click 'Zoom in' for large parts diagram.
Diagram ref no 3



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

90038502501
90038502501

The product you are viewing cross references to these numbers
Special Order item
99760210703
Product Information
Product Information
Ignition Coil.
6 Required per engine. Price is for each.

porsche

Fits:
Porsche Boxster 986 2.5L 1997-99
Porsche Boxster 986 2.7L 1999-02
Porsche Boxster S 986 3.2L 1999-02
Porsche 996 C2 3.4L 1997-08/01
Porsche 996 C4 3.4L 1997-08/01

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

99760210703
99760210700
99760210702
99660210200
99760210703
99760210702
99660210101
99760210700
99760210702
99760210704

The product you are viewing cross references to these numbers
Special Offer
99760210703/3
Product Information
Product Information
Ignition coil pack
6 Required per engine. Price is for each.  (if you require screws order code 90006708901) 

Replacing your ignition coils increases spark amperage by 100%, boosting spark energy for improved ignition and combustion. This is particularly beneficial for forced induction applications but also enhances the performance of naturally aspirated engines.

Designed to boost horsepower and torque throughout the RPM range while reducing fuel consumption. One Ignition coil required per cylinder, meaning six coils are needed for the engine

oematch

Fits:
Porsche Boxster 986 2.5L 1997-99
Porsche Boxster 986 2.7L 1999-02
Porsche Boxster S 986 3.2L 1999-02
Porsche 996 C2 3.4L 1997-08/01
Porsche 996 C4 3.4L 1997-08/01

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

99760210703
99760210700
99760210702
99660210200
99760210703
99760210702
99660210101
99760210700
99760210702
99660210200

The product you are viewing cross references to these numbers
Special Offer
99760210405/1
Product Information
Product Information
Ignition coil. Includes longer mounting bolts.
6 Required per engine. Price is for each.

beru

Fits:
Porsche Boxster 986 2.5L 1997-99
Porsche Boxster 986 2.7L 2003-2004
Porsche Boxster S 986 3.2L 2003-2004

Porsche 996 C2 3.4L 1997-08/01
Porsche 996 C4 3.4L 1997-08/01
Porsche 996 3.6L Inc. C2 / C4 / C4S
Porsche 996 GT3 MKI
Porsche 996 GT3 MKII
Porsche 996 Turbo

Porsche 987 Boxster 2.7L / 3.2L
Porsche 987C Cayman 2.7L / 3.4L

Porsche 997 3.6L, 3.8L / 997 GT3

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

99760210405
99660210400
99760210404
0986221119
90660210200
90660210301
99660210100
99660210101
99660210200
99660210400
99760210400
99760210401
99760210402
99760210404
99760210700
99760210702
245752
2504992
99760210405
90660210101
99760210704
99760210703

The product you are viewing cross references to these numbers
Special Offer
99660210301/1
Product Information
Product Information
Spark plug socket.
6 Required per engine. Price is for each.

beru

Fits:
Porsche 986 Boxster 2.5L 1997-99
Porsche 986 Boxster 2.7L 2000-02
Porsche 986 Boxster S 3.2L 2000-02
Porsche 996 Carrera 3.4L 1998-99

Click 'Zoom in' for large parts diagram.
Diagram ref no 2

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

99660210301
99660210301
99660210501
99660210500

The product you are viewing cross references to these numbers
Special Order item
99970721540
Product Information
Product Information
Spark plug tube seal - 27.94 x 5.33

6 Required per engine; sold individually.

Fits:
Porsche 986 Boxster / Boxster S 1997-02
Porsche 996 C2 / C4 1998-01

Click 'Zoom in' for large parts diagram.
Diagram ref no 29

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

99970721540
99970734340
99970734341
99610532552

The product you are viewing cross references to these numbers
Special Offer
99970721540/1
Product Information
Product Information
Replacement spark plug tube seal - 27.94 x 5.33

x6 required per engine; sold individually.

Fits:
Porsche 986 Boxster / Boxster S 1997-02
Porsche 996 C2 / C4 1998-01

Click 'Zoom in' for large parts diagram.
Diagram ref no 29

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

99970721540
99610532552
99970734340
99970734341

The product you are viewing cross references to these numbers
Special Order item
99970734341
Product Information
Product Information
Replacement spark plug tube seal - 25.07 x 2.62

6 Required per engine; sold individually.

Fits:
Porsche 986 Boxster / Boxster S 1997-02
Porsche 996 C2 / C4 1998-01

Click 'Zoom in' for large parts diagram.
Diagram ref no 28

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

99970734341
99970734340
99970721540

The product you are viewing cross references to these numbers
Special Order item
99610532552
Product Information
Product Information
Replacement spark plug tube. 

Sold individually; x6 required per engine.

Fits:
Porsche 986 Boxster / Boxster S 1997-02
Porsche 996 C2 / C4 3.4L 1998-01

Click 'Zoom in' for large parts diagram.
Diagram ref no 27

*Please note that Genuine Porsche spark plug tubes do not come with replacement o-rings. We recommend replacing the o-rings at the same time. They are available for purchase separately, and you will be prompted to add them to your basket during checkout.

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

99610532552
99970721540
99970734341

The product you are viewing cross references to these numbers
DISPLAYING 1 to 16 (of 19 products)
1 2
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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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