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- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Fits:
Porsche 356C 1.6L 08/1964-12/1965
Porsche 912 1.6L 01/1965-02/1970
Click 'Zoom in' for large parts diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
61660210900
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Ignition Coil
The Ignition Coil is a vital component of the
ignition system fitted to classic Porsche 911 2.0L models (1965-1968), Porsche
912 SWB models and Porsche 356B and 356C vehicles. Designed to transform the
vehicle's low-voltage battery power into the high-voltage electrical energy
required to ignite the air-fuel mixture within the engine cylinders, the
ignition coil plays a critical role in engine starting, performance and
reliability.
Fits:
Porsche 356 Carrera (Twin cam)
Porsche 911S >>1968
Porsche 911L >>1968
Without a properly functioning ignition coil, the spark plugs cannot generate a sufficiently strong spark to ignite the fuel mixture efficiently. This can result in poor starting, rough running, engine misfires and reduced performance.
For owners maintaining or restoring classic Porsche vehicles, replacing a worn or failing ignition coil is an important part of preserving dependable operation and ensuring the ignition system performs as intended.
What Does an Ignition Coil Do?
The ignition coil acts as a high-voltage transformer within the ignition system. It converts the 12-volt electrical supply from the battery into the thousands of volts needed by the spark plugs to create combustion inside the engine.
Each time the ignition system signals for a spark, the coil generates a high-voltage pulse which is transferred through the distributor and ignition leads to the correct spark plug. This process occurs continuously while the engine is running and is essential for smooth engine operation.
A healthy ignition coil helps provide:
Reliable engine starting Consistent spark energy Smooth idle quality Improved combustion efficiency Strong acceleration response Reliable engine performanceWhen Should an Ignition Coil Be Replaced?
Ignition coils can deteriorate over time due to age, heat cycles, vibration and internal insulation breakdown. Classic vehicles are particularly susceptible because many original ignition components may have been in service for decades.
Common symptoms of a failing ignition coil include:
Hard starting or non-start conditions Engine misfires Rough idle Hesitation during acceleration Loss of power Intermittent stalling Poor fuel economy Weak or inconsistent spark outputReplacing a failing ignition coil helps restore ignition performance and can prevent further stress on other ignition components such as distributor caps, rotors, spark plugs and ignition leads.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90160210201
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- 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 968 Turbo S 3.0L 1993-94
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
The OE Match (Bosch style) ignition coil (Bosch MPN 0221118322, Porsche OEM 944.602.115.00 / 944.602.115.01) sold as the direct replacement coil, It’s the high-voltage transformer that converts 12–14 V battery energy into the high voltage a spark plug needs to ignite the air/fuel mix. Please note the Bosch product is no longer available so this is one of the only alternatives.
Fits:
Porsche 911 1984 - 1989 (not Turbo)
Porsche 924S 1986 - 1988
Porsche 944 1982 - 1991
Porsche 964 C2 / C4 1989 - 1994
Porsche 968 1992 - 1995
Porsche 928 Cars Up to 1988 *2 Ignition Coils Per Car
Replace the coil when any of the following apply:
• Out-of-spec resistance on primary or secondary (measured with DVM). If primary > ~1 Ω or secondary well outside the 5–9 kΩ region.
• Intermittent misfire(s), rough idle, loss of power, or poor fuel economy that follow coil diagnostics. Ignition coils degrade and can produce weak/inconsistent sparks before total failure.
• Check Engine Light with misfire codes (P0300–P030x) that point to a particular cylinder and a coil swap test proves the coil is at fault.
• Visible damage (cracked housing, carbon tracking/arcing, oil contamination of electrical terminals, corroded connectors). These are signs of imminent failure or arcing that can damage plugs/caps.
• Age / preventive maintenance: rubber seals, insulation and internal windings deteriorate with heat and time; on older cars it’s common to replace coils as part of ignition refresh.
Common failure modes / symptoms
• Cylinder misfires / rough running (single cylinder or random).
• Hard starts or no-start if coil output falls below what’s needed to light the plug.
• Check Engine Light with misfire codes (P0300, P0301… etc).
• Intermittent stalling or power loss under load (coil heating causes intermittent fault).
• Arcing / carbon tracking visible on coil body or cap — can cause cross-firing or misfires.
• Failed connectors / harness corrosion causing poor coil drive — sometimes harness/connectors are the root cause rather than the coil itself.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460211501
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
The OE Match Ignition Coil is a premium-quality replacement ignition system component designed to deliver the high-voltage electrical energy required to ignite the air and fuel mixture in compatible Porsche engines. Manufactured to OE specifications for fit, electrical performance and durability, this ignition coil restores reliable spark generation, ensuring efficient combustion, smooth engine operation and dependable starting performance.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Manufactured using high-quality copper windings, premium magnetic core materials and a robust heat-resistant housing, the ignition coil is engineered to withstand high operating temperatures, engine vibration and continuous electrical demand. Precision-built for direct OE-style installation, it provides consistent voltage output across all engine speeds, making it an ideal replacement for worn or failing original ignition coils.
What This Product Does:
- Converts battery voltage into the high voltage required for ignition.
- Supplies consistent electrical energy to the ignition system.
- Ensures reliable spark generation for efficient combustion.
- Improves engine starting and idle quality.
- Supports smooth engine performance across the rev range.
- Helps maintain optimum fuel efficiency and emissions.
- Restores factory ignition performance.
- Forms an essential part of the engine ignition system.
Symptoms Of Wear Or Failure:
- Engine misfires.
- Difficult or prolonged engine starting.
- Rough or unstable idle.
- Loss of engine power during acceleration.
- Poor fuel economy.
- Hesitation or jerking under load.
- Illuminated engine management warning light (where applicable).
- Increased exhaust emissions.Intermittent stalling.
- Complete no-start condition if the coil fails.
Why Replacement Matters:
- The ignition coil operates continuously under high electrical loads and is exposed to constant heat, vibration and thermal cycling. Over time, the internal windings, insulation and electrical connections can deteriorate, reducing the coil's ability to generate a strong and consistent spark.
- A failing ignition coil can cause incomplete combustion, resulting in engine misfires, reduced performance, poor fuel economy and increased emissions. Continued operation with a faulty coil may also place additional strain on spark plugs, ignition leads and catalytic converters, potentially leading to more extensive and costly repairs.
- Replacing a worn or faulty ignition coil restores reliable ignition performance, smooth engine operation and efficient combustion. The OE Match replacement provides factory-style fitment, premium-quality internal components and long-lasting durability, helping maintain the performance, reliability and driving experience expected from your Porsche.
Related reference numbers
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92860211600
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