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- 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
Ignition HT Lead Set
Ignition HT Lead Set by OE Match for Porsche 964 Carrera 2, Carrera 4 and RS 3.6L or 3.8L models from 1989–94. This replacement set is intended for the air-cooled 3.6-litre ignition system.
Fits
- Porsche 964 C2, C4, RS 1989 - 1994
- 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
What This Product Does
The HT leads carry high-voltage electrical energy from the ignition system to the spark plugs. Sound insulation, secure terminal connections and correct routing help each cylinder receive a consistent spark while limiting electrical leakage and interference.
Functions
- Transfers high voltage to the spark plugs
- Supports consistent ignition across the engine
- Insulates the ignition circuit against electrical leakage
- Connects the distributor system to the individual cylinders
- Provides a matched replacement for aged ignition leads
Technical Details
- Product type: complete ignition HT lead set
- Engine capacity: 3.6L
- Verified diagram applications include M64.01 and M64.02 Carrera 2/4 engines and the M64.03 Carrera RS engine
- The associated ignition assembly uses individually routed cylinder leads and spark plug connectors
Symptoms of Fault
- Misfires under acceleration or engine load
- Uneven or rough idle
- Hard starting when hot or cold
- Hesitation during acceleration
- Misfires that become more noticeable in damp conditions
- Visible cracks, hardening or damage to the lead insulation
- Arcing marks or corrosion around the terminals and boots
- Increased fuel consumption caused by incomplete combustion
Why Replacement Matters
Heat, vibration and age can raise conductor resistance or weaken the insulation surrounding an ignition lead. This may allow the spark to leak before it reaches the plug, producing intermittent misfires and poor running. Replacing aged leads as a set helps maintain consistent electrical characteristics across the cylinders. Inspect the spark plugs, distributor caps, rotor arms, connectors and lead routing during installation so that other worn ignition components are not overlooked.
Installation Note
Cable holders and fan cover need to be reused from existing cables. Alternatively they are available to order separately.
- 91160959300 x4
- 92860232300 x2
- 91160232500 x1
- 91160223601 x1
- 91160203500 x1
FAQs
- Can one damaged lead cause a single-cylinder misfire?
Yes. One lead may fail before the others, although leads of the same age are commonly renewed together. - Can ignition leads be checked with a multimeter?
Resistance testing can identify some internal faults, but it may not reveal insulation that breaks down only under high voltage, heat or moisture. - Should other ignition parts be inspected?
Yes. Check the spark plugs, distributor caps, rotor arms, connectors and cable supports for wear, corrosion or contamination.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96460201700
The product you are viewing cross references to these numbers
- 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 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Fits:
Porsche 944 8V 1982-89
Porsche 924S 1986-88
Porsche 944 2.5L Turbo
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94460901520
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 928 1987>>1995
Porsche 944 S 1987>>1988
Porsche 944 S2 1989>>1991
Porsche 968 1992>>1995
Porsche 964 Turbo 3.3L / 3.6L 1991>>1994
Porsche 993 1994>>1995 (All Models)
Diagram Ref No 15
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92860232200
The product you are viewing cross references to these numbers
- 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 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- 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 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Fits:
Porsche 928 1987-95
Porsche 944 S 1987-88
Porsche 944 S2 1989-91
Porsche 968 1992-95
Porsche 964 1989-92 all
Porsche 993 1994-95 all