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Spark Plugs
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.jpg?width=197&height=148&format=webp "Ignition Kit HT Leads, Spark plugs, Rotor, Distributor Cap Porsche 911 3.2L 1985-89 - 91160201103, 91160201203, 91160201120, 93060290202, 93060291900")
IGNITIONKIT911.3.2L
Product Information
Porsche 911 1984-1986 3.2L (Not 1984 cars)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
IGNITIONKIT911.3.2L
The product you are viewing cross references to these numbers
Product Information
IGNITION KIT. Includes Ignition Leads, (6) Spark plugs, Rotor Arm & Distributor Cap. Restore power and performance to your 911 3.2L with this complete ignition tune-up kit. Our kit includes, 6 x spark plugs, distributor cap, distributor rotor, and a set of sparks plug wire set with the ignition coil lead wires.
Fits:Porsche 911 1984-1986 3.2L (Not 1984 cars)
Porsche 911 1987-1989 3.2L G50
Ignition Tune-Up Kit
An ignition tune-up kit includes all the parts you need to service your vehicle's ignition system. Components like spark plugs, ignition coils, spark plug connectors, and spark plug wires will eventually require replacement.
When these components are used past their useable service life you will often experience a vehicle that does not run smoothly, suffers from misfires, or even completely dead cylinders due to no spark. Replacing ignition components should be done on a regular interval
Ignition Tune-Up Kit Failure Symptoms
- Check engine light due to misfire
- P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 and other cylinder specific misfire OBD fault codes
- Hesitation while accelerating
- Poor fuel economy due to incomplete combustion
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
IGNITIONKIT911.3.2L
91160201103
91160201203
91160201120
93060290202
93060291900
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
1 x Ignition HT lead set. Porsche 911 3.2L 1985-89 (91160201120/1)
1 x Rotor arm. Porsche 964 / 993 (93060290202/2)
1 x Distributor cap. Porsche 911 3.2L 1984-89 / 965 Turbo 1991-94 (93060291900/2)
6 x Spark plug. Porsche 911 / 924S / 928 / 944 / 912E / 968 (99917015690/1)
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €404.24 inc. VAT
In Stock - 24 Hour Dispatch
99917015690/3x6
Product Information
OE Match spark plug set (pack of 6) designed as a direct replacement for Porsche factory spark plugs in fit, heat range, and ignition performance. Supplied as a complete set of six, it is intended for Porsche six-cylinder engines requiring this spark plug specification.
PACK OF 6
Fits:
Porsche 911 3.2L 1984 - 89 *with catalyst
Replacing spark plugs as a complete set is essential for maintaining even ignition timing and smooth engine operation. Over time, worn or mismatched plugs can cause misfires, hesitation, reduced throttle response, and increased fuel consumption.
All spark plugs install without modification, making this set ideal for scheduled servicing, tune-ups, or ignition system maintenance.
The spark plugs generate precisely timed electrical sparks to ignite the air-fuel mixture in each combustion chamber. As a full set, they ensure uniform combustion across all six cylinders, supporting smooth engine operation, efficient fuel burn, and consistent power delivery.
Function:
• Provides reliable ignition for all six cylinders
• Supports smooth idle and responsive acceleration
• Helps maintain fuel efficiency and balanced combustion
• Supplied as a complete engine set for correct servicing
Spark plugs naturally wear due to heat, combustion pressure, and electrical stress. Replacing all six plugs together ensures consistent ignition timing across cylinders, prevents misfires, restores smooth performance, and helps protect ignition coils and catalytic converters. Using an OE Match set maintains reliable performance without compromising fit or function.
When to replace:
• Engine misfires or rough/uneven idle
• Reduced throttle response or power loss
• Increased fuel consumption
• At manufacturer-recommended service intervals
• During routine tune-ups or ignition system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
The product you are viewing cross references to these numbers
Product Information
Spark plug WR 7 DC+OE Match spark plug set (pack of 6) designed as a direct replacement for Porsche factory spark plugs in fit, heat range, and ignition performance. Supplied as a complete set of six, it is intended for Porsche six-cylinder engines requiring this spark plug specification.
PACK OF 6
Fits:
Porsche 911 3.2L 1984 - 89 *with catalyst
Replacing spark plugs as a complete set is essential for maintaining even ignition timing and smooth engine operation. Over time, worn or mismatched plugs can cause misfires, hesitation, reduced throttle response, and increased fuel consumption.
All spark plugs install without modification, making this set ideal for scheduled servicing, tune-ups, or ignition system maintenance.
The spark plugs generate precisely timed electrical sparks to ignite the air-fuel mixture in each combustion chamber. As a full set, they ensure uniform combustion across all six cylinders, supporting smooth engine operation, efficient fuel burn, and consistent power delivery.
Function:
• Provides reliable ignition for all six cylinders
• Supports smooth idle and responsive acceleration
• Helps maintain fuel efficiency and balanced combustion
• Supplied as a complete engine set for correct servicing
Spark plugs naturally wear due to heat, combustion pressure, and electrical stress. Replacing all six plugs together ensures consistent ignition timing across cylinders, prevents misfires, restores smooth performance, and helps protect ignition coils and catalytic converters. Using an OE Match set maintains reliable performance without compromising fit or function.
When to replace:
• Engine misfires or rough/uneven idle
• Reduced throttle response or power loss
• Increased fuel consumption
• At manufacturer-recommended service intervals
• During routine tune-ups or ignition system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
99917015690
92809460203
99917014190
99917015890
99917018990
9991701899A
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
6 x Spark plug. Porsche 911 / 924S / 928 / 944 / 912E / 968 (99917015690/3)
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €13.92 inc. VAT
In Stock - 24 Hour Dispatch
91160231500KIT
Product Information
Kit Includes: x6 Spark Plug Caps
Fits:
Porsche 911 1977>>1989
Porsche 930 Turbo 1977>>1989
Porsche 964 3.3L Turbo 1991>>1992
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160231500KIT
The product you are viewing cross references to these numbers
Product Information
Spark Plug Cap Kit.Kit Includes: x6 Spark Plug Caps
Fits:
Porsche 911 1977>>1989
Porsche 930 Turbo 1977>>1989
Porsche 964 3.3L Turbo 1991>>1992
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160231500KIT
91160231500
91160331100
91160930900
91160931100
91160931200
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
6 x Spark plug cap. Porsche 911 / 964 / 930 (91160231500/1)
Vehicle Group
Vehicle Group
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Price: €132.24 inc. VAT
Stock Due
99917015690/1x6
Product Information
This BOSCH spark plug set (pack of 6) is a complete ignition service kit designed specifically for the Porsche 911 3.2-litre Carrera (1984–1989) equipped with a catalytic converter. This set includes all six spark plugs required for a full engine replacement, ensuring even combustion and consistent performance across all cylinders.
PACK OF 6
Fits:
Porsche 911 3.2L 1984 - 1989 *with catalyst
Spark plugs are a vital ignition component, responsible for igniting the air-fuel mixture within the combustion chamber. Correct specification is especially critical on catalyst-equipped engines, as incorrect or worn spark plugs can lead to misfires, inefficient combustion, increased emissions, and potential catalyst damage. These Bosch spark plugs are manufactured to the correct heat range and electrode design required for the 3.2 Carrera with catalytic converter.
Produced to OEM standards, Bosch spark plugs provide reliable cold starting, smooth idle, improved throttle response, and stable engine operation under all driving conditions. Their high-quality construction helps reduce fouling and ensures long service life, making them ideal for routine servicing, preventative maintenance, or restoration work on classic air-cooled Porsche 911 models.
• Generates a precise spark to ignite the air-fuel mixture
• Supports efficient combustion and controlled emissions
• Ensures smooth engine running and reliable starting
Key Functions & Benefits:
• Genuine Bosch manufacture
• Complete set of 6 spark plugs for flat-six engines
• Correct specification for catalyst-equipped 3.2 Carrera
• OEM-quality ignition performance and durability
• Helps maintain fuel efficiency and emissions compliance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
The product you are viewing cross references to these numbers
Product Information
Spark Plugs, WR7 DC+This BOSCH spark plug set (pack of 6) is a complete ignition service kit designed specifically for the Porsche 911 3.2-litre Carrera (1984–1989) equipped with a catalytic converter. This set includes all six spark plugs required for a full engine replacement, ensuring even combustion and consistent performance across all cylinders.
PACK OF 6
Fits:
Porsche 911 3.2L 1984 - 1989 *with catalyst
Spark plugs are a vital ignition component, responsible for igniting the air-fuel mixture within the combustion chamber. Correct specification is especially critical on catalyst-equipped engines, as incorrect or worn spark plugs can lead to misfires, inefficient combustion, increased emissions, and potential catalyst damage. These Bosch spark plugs are manufactured to the correct heat range and electrode design required for the 3.2 Carrera with catalytic converter.
Produced to OEM standards, Bosch spark plugs provide reliable cold starting, smooth idle, improved throttle response, and stable engine operation under all driving conditions. Their high-quality construction helps reduce fouling and ensures long service life, making them ideal for routine servicing, preventative maintenance, or restoration work on classic air-cooled Porsche 911 models.
• Generates a precise spark to ignite the air-fuel mixture
• Supports efficient combustion and controlled emissions
• Ensures smooth engine running and reliable starting
Key Functions & Benefits:
• Genuine Bosch manufacture
• Complete set of 6 spark plugs for flat-six engines
• Correct specification for catalyst-equipped 3.2 Carrera
• OEM-quality ignition performance and durability
• Helps maintain fuel efficiency and emissions compliance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
99917015690
92809460203
99917014190
99917015890
99917018990
9991701899A
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
6 x Spark plug. Porsche 911 / 924S / 928 / 944 / 912E / 968 (99917015690/1)
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €17.40 inc. VAT
In Stock - 24 Hour Dispatch
99917015790/2x6
Product Information
Spark Plug Set (Pack of 6) is an OE Match ignition service kit designed to replicate the original Porsche factory spark plugs in fit, heat range, and ignition performance. Supplied as a complete set of six, it is intended for compatible Porsche six-cylinder engines that specify this plug type.
PACK OF 6
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
Non Catalyst.
This OE Match spark plug set contains six identical spark plugs, each manufactured to OE-equivalent specifications to ensure consistent combustion and dependable ignition across all cylinders. Built to withstand high combustion temperatures and sustained electrical load, these plugs help maintain smooth engine operation, stable idle, and reliable power delivery.
Replacing spark plugs as a complete set is essential for balanced ignition and even engine performance. Over time, worn or mismatched plugs can cause misfires, hesitation, increased fuel consumption, and uneven combustion. This OE Match pack of six provides a cost-effective solution for routine servicing, tune-ups, or ignition maintenance while maintaining OE-level performance and fit.
All plugs are direct-fit replacements and install without modification.
Function:
• Provides reliable ignition for all six cylinders
• Supports smooth idle and responsive acceleration
• Helps maintain fuel efficiency and balanced combustion
• Supplied as a complete engine set for correct servicing
Spark plugs degrade over time due to heat and combustion stress. Replacing all six plugs together ensures consistent ignition timing across cylinders, prevents misfires, restores smooth performance, and helps protect catalytic converters from damage caused by incomplete combustion. Using an OE Match set ensures reliable performance without compromising fit or function.
When to replace:
• Engine misfires or rough idle
• Reduced throttle response or loss of power
• Increased fuel consumption
• At manufacturer-recommended service intervals
• During routine tune-ups or ignition system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
The product you are viewing cross references to these numbers
Product Information
Spark plugs, WR4CC.Spark Plug Set (Pack of 6) is an OE Match ignition service kit designed to replicate the original Porsche factory spark plugs in fit, heat range, and ignition performance. Supplied as a complete set of six, it is intended for compatible Porsche six-cylinder engines that specify this plug type.
PACK OF 6
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
Non Catalyst.
This OE Match spark plug set contains six identical spark plugs, each manufactured to OE-equivalent specifications to ensure consistent combustion and dependable ignition across all cylinders. Built to withstand high combustion temperatures and sustained electrical load, these plugs help maintain smooth engine operation, stable idle, and reliable power delivery.
Replacing spark plugs as a complete set is essential for balanced ignition and even engine performance. Over time, worn or mismatched plugs can cause misfires, hesitation, increased fuel consumption, and uneven combustion. This OE Match pack of six provides a cost-effective solution for routine servicing, tune-ups, or ignition maintenance while maintaining OE-level performance and fit.
All plugs are direct-fit replacements and install without modification.
Function:
• Provides reliable ignition for all six cylinders
• Supports smooth idle and responsive acceleration
• Helps maintain fuel efficiency and balanced combustion
• Supplied as a complete engine set for correct servicing
Spark plugs degrade over time due to heat and combustion stress. Replacing all six plugs together ensures consistent ignition timing across cylinders, prevents misfires, restores smooth performance, and helps protect catalytic converters from damage caused by incomplete combustion. Using an OE Match set ensures reliable performance without compromising fit or function.
When to replace:
• Engine misfires or rough idle
• Reduced throttle response or loss of power
• Increased fuel consumption
• At manufacturer-recommended service intervals
• During routine tune-ups or ignition system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
99917015790
WR4CC
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
6 x Spark plug. Porsche 911 3.2L 1984-89 (99917015790/2)
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €27.48 inc. VAT
In Stock - 24 Hour Dispatch
99917015790/1x6
Product Information
The NGK spark plug set (pack of 6) is a complete ignition service solution designed specifically for the Porsche 911 3.2-litre Carrera (1984–1989) without catalytic converter. This set includes all six spark plugs required for a full engine replacement, ensuring even combustion and consistent ignition performance across the flat-six engine.
PACK OF 6
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
* Non Catalyst
Spark plugs are a critical ignition component, responsible for igniting the air-fuel mixture within each combustion chamber. On non-catalyst engines, correct spark plug specification is essential to maintain optimal combustion characteristics, throttle response, and engine efficiency. Incorrect or worn spark plugs can result in misfires, rough idle, loss of power, and increased fuel consumption.
• Produces a precise spark to ignite the air-fuel mixture
• Supports efficient combustion and smooth engine operation
• Helps maintain power delivery and fuel efficiency
Key Functions & Benefits:
• Genuine NGK manufacture
• Complete set of 6 spark plugs for flat-six engines
• Correct specification for non-catalyst 3.2 Carrera
• OEM-quality ignition performance and durability
• Long service life with reduced risk of fouling
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
The product you are viewing cross references to these numbers
Product Information
Spark Plugs, WR4CCThe NGK spark plug set (pack of 6) is a complete ignition service solution designed specifically for the Porsche 911 3.2-litre Carrera (1984–1989) without catalytic converter. This set includes all six spark plugs required for a full engine replacement, ensuring even combustion and consistent ignition performance across the flat-six engine.
PACK OF 6
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
* Non Catalyst
Spark plugs are a critical ignition component, responsible for igniting the air-fuel mixture within each combustion chamber. On non-catalyst engines, correct spark plug specification is essential to maintain optimal combustion characteristics, throttle response, and engine efficiency. Incorrect or worn spark plugs can result in misfires, rough idle, loss of power, and increased fuel consumption.
• Produces a precise spark to ignite the air-fuel mixture
• Supports efficient combustion and smooth engine operation
• Helps maintain power delivery and fuel efficiency
Key Functions & Benefits:
• Genuine NGK manufacture
• Complete set of 6 spark plugs for flat-six engines
• Correct specification for non-catalyst 3.2 Carrera
• OEM-quality ignition performance and durability
• Long service life with reduced risk of fouling
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
99917015790
The product you are viewing cross references to these numbers
About kit
This kit is comprised of the following items:
6 x Spark plug. Porsche 911 3.2L 1984-89 *Non Catalyst (99917015790/1)
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €34.44 inc. VAT
In Stock - 24 Hour Dispatch
91160231500/1
Product Information
6 Required per engine. Price is for each.
Fits:
Porsche 911 1977-89 (6 per model)
Porsche 930 Turbo 1977-89 (6 per model)
Porsche 964 3.3L Turbo 1991-92 (6 per model)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160231500
The product you are viewing cross references to these numbers
Product Information
Spark plug cap.6 Required per engine. Price is for each.
Fits:
Porsche 911 1977-89 (6 per model)
Porsche 930 Turbo 1977-89 (6 per model)
Porsche 964 3.3L Turbo 1991-92 (6 per model)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91160231500
91160231500
91160331100
91160930900
91160931100
91160931200
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Price: €22.04 inc. VAT
Stock Due
Shop Securely
12 Month Warranty
Worldwide Delivery
99957105202
Product Information
To be used with spark plug tools:
477012203A - 911 all & 964 Turbo
99957105402 - 964 (non turbo)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99957105202
The product you are viewing cross references to these numbers
Product Information
Spark plug tool key. To be used with spark plug tools:
477012203A - 911 all & 964 Turbo
99957105402 - 964 (non turbo)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99957105202
99957105202
The product you are viewing cross references to these numbers
Vehicle Group
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 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 914 (1970-1976)
Price: €27.68 inc. VAT
Due In 25 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
477012203A
Product Information
Doesn't come with the key. Available separately. Part number 99957105202
Fits:
Porsche 911 1965-89
Porsche 964 1989-94 Turbo
Porsche 914 1970-76
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477012203A
The product you are viewing cross references to these numbers
Product Information
Spark plug wrench. Doesn't come with the key. Available separately. Part number 99957105202
Fits:
Porsche 911 1965-89
Porsche 964 1989-94 Turbo
Porsche 914 1970-76
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
477012203A
477012203A
The product you are viewing cross references to these numbers
Vehicle Group
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 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 914 (1970-1976)
Price: €96.19 inc. VAT
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99917015690
Product Information
Genuine OE Porsche spark plug, factory-engineered to deliver precise ignition performance, efficient combustion, and reliable operation. Direct replacement part maintaining original Porsche ignition standards.
Sold individually, 4, 6 or 8 required depending on engine type
Fits:
Porsche 911 3.2L 1984 - 89 *with catalyst
Porsche 924S 2.5L 1986 - 1988
Porsche 928S / 928S2 / 928S4 / 928GT 1983 - 1991
Porsche 944 / 944S / 944S2 / 944T 1985 - 1991
Porsche 912E 1976
Porsche 968 1992 - 1995 Coupe
Porsche engines rely on accurate ignition timing and stable combustion, especially under high compression and performance conditions. Using a genuine Porsche spark plug helps maintain smooth idle, crisp throttle response, optimal power delivery, and controlled emissions. It also ensures compatibility with Porsche engine management systems and ignition coils.
Designed as a direct replacement, this spark plug installs without modification and is suitable for routine servicing, diagnostics, or replacement of individual worn plugs while maintaining full OE integrity.
The spark plug generates a precisely timed electrical spark inside the combustion chamber to ignite the air-fuel mixture. This controlled ignition initiates combustion, allowing the engine to produce power efficiently and smoothly.
Function:
• Produces a consistent ignition spark for efficient combustion
• Supports smooth idle, responsive acceleration, and stable power output
• Helps maintain fuel efficiency and emission control
• Engineered to Porsche’s exact OE heat range and performance standards
• Designed for durability under high thermal and mechanical loads
Spark plugs naturally wear due to heat, combustion pressure, and electrical stress. A worn or incorrect spark plug can cause misfires, rough running, reduced power, increased fuel consumption, and higher emissions. Replacing worn plugs with a genuine Porsche OE spark plug ensures the ignition system continues to perform exactly as engineered, protecting engine performance, efficiency, and longevity.
When to replace:
• Engine misfires or uneven idle
• Reduced throttle response or loss of power
• Increased fuel consumption
• At Porsche-recommended service intervals
• During routine engine servicing or ignition maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
The product you are viewing cross references to these numbers
Product Information
Spark plug WR 7 DC+Genuine OE Porsche spark plug, factory-engineered to deliver precise ignition performance, efficient combustion, and reliable operation. Direct replacement part maintaining original Porsche ignition standards.
Sold individually, 4, 6 or 8 required depending on engine type
Fits:
Porsche 911 3.2L 1984 - 89 *with catalyst
Porsche 924S 2.5L 1986 - 1988
Porsche 928S / 928S2 / 928S4 / 928GT 1983 - 1991
Porsche 944 / 944S / 944S2 / 944T 1985 - 1991
Porsche 912E 1976
Porsche 968 1992 - 1995 Coupe
Porsche engines rely on accurate ignition timing and stable combustion, especially under high compression and performance conditions. Using a genuine Porsche spark plug helps maintain smooth idle, crisp throttle response, optimal power delivery, and controlled emissions. It also ensures compatibility with Porsche engine management systems and ignition coils.
Designed as a direct replacement, this spark plug installs without modification and is suitable for routine servicing, diagnostics, or replacement of individual worn plugs while maintaining full OE integrity.
The spark plug generates a precisely timed electrical spark inside the combustion chamber to ignite the air-fuel mixture. This controlled ignition initiates combustion, allowing the engine to produce power efficiently and smoothly.
Function:
• Produces a consistent ignition spark for efficient combustion
• Supports smooth idle, responsive acceleration, and stable power output
• Helps maintain fuel efficiency and emission control
• Engineered to Porsche’s exact OE heat range and performance standards
• Designed for durability under high thermal and mechanical loads
Spark plugs naturally wear due to heat, combustion pressure, and electrical stress. A worn or incorrect spark plug can cause misfires, rough running, reduced power, increased fuel consumption, and higher emissions. Replacing worn plugs with a genuine Porsche OE spark plug ensures the ignition system continues to perform exactly as engineered, protecting engine performance, efficiency, and longevity.
When to replace:
• Engine misfires or uneven idle
• Reduced throttle response or loss of power
• Increased fuel consumption
• At Porsche-recommended service intervals
• During routine engine servicing or ignition maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
99917015690
92809460203
99917014190
99917015890
99917018990
9991701899A
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 912E 4CYL 1976
Price: €20.61 inc. VAT
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99917015690/1
Product Information
Price is for each.
Fits:
Porsche 911 3.2L WITH CATALYST 1984-89
Porsche 924S 2.5L 1986-88
Porsche 928S / 928S2 / 928S4 / 928GT 1983-1991
Porsche 928 GTS 1992-95 (M28.49/50)
Porsche 944 / 944S / 944S2 / 944T 1985-91
Porsche 968 1992-95 (M44.43/44)
Porsche 912E
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
The product you are viewing cross references to these numbers
Product Information
Spark plug WR 7 DC+Price is for each.
Fits:
Porsche 911 3.2L WITH CATALYST 1984-89
Porsche 924S 2.5L 1986-88
Porsche 928S / 928S2 / 928S4 / 928GT 1983-1991
Porsche 928 GTS 1992-95 (M28.49/50)
Porsche 944 / 944S / 944S2 / 944T 1985-91
Porsche 968 1992-95 (M44.43/44)
Porsche 912E
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
99917015690
0242235663
92809460203
99917014190
99917015890
99917018990
9991701899A
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 912E 4CYL 1976
Price: €2.90 inc. VAT
In Stock - 24 Hour Dispatch
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12 Month Warranty
Worldwide Delivery
99917015690/3
Product Information
The spark plug produces a precisely timed electrical spark to ignite the air-fuel mixture within the combustion chamber. This ignition process enables smooth engine operation, efficient fuel burn, and reliable power output.
Sold individually, 4, 6 or 8 required depending on engine type
Fits:
Porsche 911 3.2L 1984 - 89 *with catalyst
Porsche 924S 2.5L 1986 - 1988
Porsche 928S / 928S2 / 928S4 / 928GT 1983 - 1991
Porsche 944 / 944S / 944S2 / 944T 1985 - 1991
Porsche 912E
Porsche 968 1992 - 1995 Coupe
Spark plugs play a critical role in engine efficiency, smoothness, and power delivery. Over time, wear from heat and combustion stress can reduce spark quality, leading to misfires, hesitation, and increased fuel consumption. Replacing worn plugs with an OE Match unit restores proper ignition timing and helps maintain optimal engine performance.
Designed for direct installation with no modification required, this spark plug is suitable for routine servicing, diagnostics, or replacement of individual worn plugs.
Function:
• Generates a consistent ignition spark for combustion
• Supports smooth idle and responsive acceleration
• Helps maintain proper fuel efficiency and emissions control
• Direct-fit replacement for easy installation
A worn or incorrect spark plug can cause rough running, misfires, loss of power, and reduced fuel economy. Using a correct OE Match spark plug ensures ignition performance remains consistent with factory expectations, helping preserve engine reliability and long-term efficiency.
When to replace:
• Engine misfires or uneven idle
• Hesitation or reduced throttle response
• Increased fuel consumption
• At manufacturer-recommended service intervals
• During tune-ups or ignition system maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
The product you are viewing cross references to these numbers
Product Information
Spark plug WR 7 DC+The spark plug produces a precisely timed electrical spark to ignite the air-fuel mixture within the combustion chamber. This ignition process enables smooth engine operation, efficient fuel burn, and reliable power output.
Sold individually, 4, 6 or 8 required depending on engine type
Fits:
Porsche 911 3.2L 1984 - 89 *with catalyst
Porsche 924S 2.5L 1986 - 1988
Porsche 928S / 928S2 / 928S4 / 928GT 1983 - 1991
Porsche 944 / 944S / 944S2 / 944T 1985 - 1991
Porsche 912E
Porsche 968 1992 - 1995 Coupe
Spark plugs play a critical role in engine efficiency, smoothness, and power delivery. Over time, wear from heat and combustion stress can reduce spark quality, leading to misfires, hesitation, and increased fuel consumption. Replacing worn plugs with an OE Match unit restores proper ignition timing and helps maintain optimal engine performance.
Designed for direct installation with no modification required, this spark plug is suitable for routine servicing, diagnostics, or replacement of individual worn plugs.
Function:
• Generates a consistent ignition spark for combustion
• Supports smooth idle and responsive acceleration
• Helps maintain proper fuel efficiency and emissions control
• Direct-fit replacement for easy installation
A worn or incorrect spark plug can cause rough running, misfires, loss of power, and reduced fuel economy. Using a correct OE Match spark plug ensures ignition performance remains consistent with factory expectations, helping preserve engine reliability and long-term efficiency.
When to replace:
• Engine misfires or uneven idle
• Hesitation or reduced throttle response
• Increased fuel consumption
• At manufacturer-recommended service intervals
• During tune-ups or ignition system maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015690
99917015690
92809460203
99917014190
99917015890
99917018990
9991701899A
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 912E 4CYL 1976
Price: €2.32 inc. VAT
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99917015790/2
Product Information
The spark plug produces a precisely timed electrical spark inside the combustion chamber to ignite the air-fuel mixture. This process enables efficient combustion, smooth power delivery, and reliable engine performance.
Sold individually, 6 Required per engine.
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
Non Catalyst.
Spark plugs are critical to engine efficiency, power delivery, and smooth running. Over time, heat and combustion stress can reduce spark quality, leading to misfires, hesitation, and increased fuel consumption. Replacing a worn plug with this OE Match unit helps restore proper ignition timing and reliable combustion performance.
Designed as a direct replacement, this spark plug installs easily with no modification required, making it ideal for routine servicing or replacement of individual plugs.
Function:
• Generates a consistent ignition spark for proper combustion
• Supports smooth idle and responsive throttle response
• Helps maintain fuel efficiency and stable engine operation
• Direct-fit replacement for straightforward installation
A worn or degraded spark plug can cause rough running, misfires, loss of power, and poor fuel economy. Using a correct OE Match spark plug ensures ignition performance remains consistent with factory expectations, helping preserve engine reliability and long-term efficiency.
When to replace:
• Engine misfires or uneven idle
• Reduced throttle response or hesitation Increased fuel consumption
• At manufacturer-recommended service intervals
• During routine tune-ups or ignition system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
The product you are viewing cross references to these numbers
Product Information
Spark plug WR4CC.The spark plug produces a precisely timed electrical spark inside the combustion chamber to ignite the air-fuel mixture. This process enables efficient combustion, smooth power delivery, and reliable engine performance.
Sold individually, 6 Required per engine.
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
Non Catalyst.
Spark plugs are critical to engine efficiency, power delivery, and smooth running. Over time, heat and combustion stress can reduce spark quality, leading to misfires, hesitation, and increased fuel consumption. Replacing a worn plug with this OE Match unit helps restore proper ignition timing and reliable combustion performance.
Designed as a direct replacement, this spark plug installs easily with no modification required, making it ideal for routine servicing or replacement of individual plugs.
Function:
• Generates a consistent ignition spark for proper combustion
• Supports smooth idle and responsive throttle response
• Helps maintain fuel efficiency and stable engine operation
• Direct-fit replacement for straightforward installation
A worn or degraded spark plug can cause rough running, misfires, loss of power, and poor fuel economy. Using a correct OE Match spark plug ensures ignition performance remains consistent with factory expectations, helping preserve engine reliability and long-term efficiency.
When to replace:
• Engine misfires or uneven idle
• Reduced throttle response or hesitation Increased fuel consumption
• At manufacturer-recommended service intervals
• During routine tune-ups or ignition system servicing
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
99917015790
WR4CC
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €4.58 inc. VAT
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
99917015790
Product Information
Original Equipment spark plug manufactured by Porsche to the factory specification for the ignition system. A spark plug’s core function is to ignite the compressed air-fuel mixture inside each cylinder of the engine. It produces a controlled electrical spark at exactly the right moment, initiating combustion to deliver efficient power output and smooth engine performance.
Sold individually, 6 Required per engine.
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
* Non Catalyst
Functions & Technical Role:
• Ignition ignition source: Generates spark for combustion on demand.
• Engine performance stability: Supports consistent firing across all cylinders.
• Fuel efficiency and emissions: Proper spark timing improves combustion and helps maintain efficient fuel use.
• Engine durability: Correctly specified plugs prevent misfires and reduce stress on ignition components.
• Plug Type: WR4CC, factory-recommended use.
Spark plugs are critical to efficient combustion and smooth engine performance. Over time, wear, carbon build-up, and heat cycling reduce spark strength, leading to misfires, poor throttle response, and increased fuel consumption. Replacing worn spark plugs with Genuine Porsche OE parts restores correct ignition timing, protects engine components, and keeps your 911 running as Porsche intended.
When to replace spark plugs:
• At manufacturer-recommended service intervals
• During routine engine servicing or tune-ups
• If experiencing misfires, rough idle, or hesitation
• When starting becomes harder than normal
• If fuel economy decreases
• During engine rebuilds or restoration work
• After prolonged storage before returning the car to use
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
The product you are viewing cross references to these numbers
Product Information
Spark plug WR4CC.Original Equipment spark plug manufactured by Porsche to the factory specification for the ignition system. A spark plug’s core function is to ignite the compressed air-fuel mixture inside each cylinder of the engine. It produces a controlled electrical spark at exactly the right moment, initiating combustion to deliver efficient power output and smooth engine performance.
Sold individually, 6 Required per engine.
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
* Non Catalyst
Functions & Technical Role:
• Ignition ignition source: Generates spark for combustion on demand.
• Engine performance stability: Supports consistent firing across all cylinders.
• Fuel efficiency and emissions: Proper spark timing improves combustion and helps maintain efficient fuel use.
• Engine durability: Correctly specified plugs prevent misfires and reduce stress on ignition components.
• Plug Type: WR4CC, factory-recommended use.
Spark plugs are critical to efficient combustion and smooth engine performance. Over time, wear, carbon build-up, and heat cycling reduce spark strength, leading to misfires, poor throttle response, and increased fuel consumption. Replacing worn spark plugs with Genuine Porsche OE parts restores correct ignition timing, protects engine components, and keeps your 911 running as Porsche intended.
When to replace spark plugs:
• At manufacturer-recommended service intervals
• During routine engine servicing or tune-ups
• If experiencing misfires, rough idle, or hesitation
• When starting becomes harder than normal
• If fuel economy decreases
• During engine rebuilds or restoration work
• After prolonged storage before returning the car to use
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
99917015790
2411
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €8.84 inc. VAT
Orderable - 14 to 28 Days
Shop Securely
12 Month Warranty
Worldwide Delivery
99917015790/1
Product Information
This NGK spark plug (single unit) is a high-quality ignition component designed specifically for the Porsche 911 3.2-litre Carrera (1984–1989) without catalytic converter. Ideal for replacing an individual plug or purchasing multiples for a full engine service, this spark plug is manufactured to meet OEM specifications for non-catalyst air-cooled flat-six engines.
Sold individually, 6 Required per engine.
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
* Non Catalyst.
Spark plugs are responsible for igniting the air-fuel mixture inside the combustion chamber. Correct specification is essential on non-catalyst engines to ensure stable combustion, strong throttle response, and efficient engine operation. A worn or incorrect spark plug can cause misfires, rough idle, reduced power, and increased fuel consumption.
• Creates a controlled spark to ignite the air-fuel mixture
• Supports smooth engine running and stable combustion
• Helps maintain power delivery and fuel efficiency
Key Functions & Benefits:
• Genuine NGK manufacture
• Supplied as one spark plug (order quantity as required)
• Correct specification for non-catalyst 3.2 Carrera
• OEM-quality materials and construction
• Reliable ignition performance and long service life
Spark plugs are critical to proper combustion, directly affecting engine performance, fuel efficiency, and reliability. Worn or incorrect spark plugs can cause misfires, rough running, poor throttle response, and increased fuel consumption. Regular replacement helps maintain smooth operation and protects key engine components from unnecessary stress.
When spark plugs should be replaced:
• During scheduled servicing intervals
• If the engine shows signs of misfiring or rough idle
• When experiencing poor cold starting
• If fuel consumption increases unexpectedly
• After long-term storage or inactivity
• When plugs show visible wear, fouling, or corrosion
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
The product you are viewing cross references to these numbers
Product Information
Spark plug, WR4CCThis NGK spark plug (single unit) is a high-quality ignition component designed specifically for the Porsche 911 3.2-litre Carrera (1984–1989) without catalytic converter. Ideal for replacing an individual plug or purchasing multiples for a full engine service, this spark plug is manufactured to meet OEM specifications for non-catalyst air-cooled flat-six engines.
Sold individually, 6 Required per engine.
Fits:
Porsche 911 3.2L Carrera 1984 - 1989
* Non Catalyst.
Spark plugs are responsible for igniting the air-fuel mixture inside the combustion chamber. Correct specification is essential on non-catalyst engines to ensure stable combustion, strong throttle response, and efficient engine operation. A worn or incorrect spark plug can cause misfires, rough idle, reduced power, and increased fuel consumption.
• Creates a controlled spark to ignite the air-fuel mixture
• Supports smooth engine running and stable combustion
• Helps maintain power delivery and fuel efficiency
Key Functions & Benefits:
• Genuine NGK manufacture
• Supplied as one spark plug (order quantity as required)
• Correct specification for non-catalyst 3.2 Carrera
• OEM-quality materials and construction
• Reliable ignition performance and long service life
Spark plugs are critical to proper combustion, directly affecting engine performance, fuel efficiency, and reliability. Worn or incorrect spark plugs can cause misfires, rough running, poor throttle response, and increased fuel consumption. Regular replacement helps maintain smooth operation and protects key engine components from unnecessary stress.
When spark plugs should be replaced:
• During scheduled servicing intervals
• If the engine shows signs of misfiring or rough idle
• When experiencing poor cold starting
• If fuel consumption increases unexpectedly
• After long-term storage or inactivity
• When plugs show visible wear, fouling, or corrosion
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99917015790
99917015790
2411
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Price: €5.74 inc. VAT
In Stock - 24 Hour Dispatch
Shop Securely
12 Month Warranty
Worldwide Delivery
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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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