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Ignition Lead Sets
By OE Match
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
OE Match ignition HT lead set, these high-tension cables form part of the engine’s spark-delivery system.
Fits
- Porsche 924 2.0L Carrera GT M31.50 1980-86
Check fitment for your specific vehicle (model, year, engine) before ordering.
What This Product Does
HT means high tension: the voltage used by the ignition system to generate a spark. The leads carry this electrical pulse towards the plugs, where it ignites the mixture within each cylinder. Their insulation helps keep the voltage within the intended electrical path.
Functions
- Conduct ignition pulses to the spark plugs.
- Insulate the high-voltage conductors.
- Provide connections between ignition components.
Technical Details
- Product type: ignition HT lead set.
- Brand: OE Match.
- Listed engine capacity: 2.0L.
- Carrera GT engine identification: M31.50.
Symptoms of Fault
- Uneven idling or hesitation during acceleration.
- Misfiring when the engine is loaded or conditions are damp.
- Insulation that has split, stiffened or developed tracking marks.
- Corroded terminals or poorly seated connection boots.
- Resistance measurements that indicate conductor deterioration.
Why Replacement Matters
Age, engine heat and contamination can damage lead insulation or electrical connections. Once deterioration is confirmed, replacing the affected lead set addresses an identified source of ignition leakage or excessive resistance. Check the plugs, distributor connections and cable routing as part of the same repair; similar running symptoms can have other causes.
FAQs
Could one faulty cable affect only one cylinder?
Yes. An individual lead can deteriorate independently, although the remaining cables may have experienced similar ageing.
Is a resistance measurement enough to confirm condition?
No. It can reveal conductor faults, but may not expose insulation leakage. Include inspection of the insulation, terminals and boots.
Must the spark plugs also be changed?
Inspect their condition and service history first. Renew worn plugs where required rather than assuming that replacing cables alone will resolve every misfire.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93760910501
The product you are viewing cross references to these numbers
OEMatch Ignition Lead Sets — Fit, Function, Confidence
OEMatch ignition lead sets provide vehicle-specific replacements for Porsche models, intended to restore consistent spark delivery and predictable engine response. They are a practical option for engines affected by worn leads that cause misfires, rough idle or difficult starting, and are made to original-spec dimensions where applicable.
Available Types
- Complete vehicle-specific kits including boots and terminals
- Silicone-insulated high-voltage leads for improved heat resistance
- Replacement leads supplied by axle or as complete engine sets
Understanding OEMatch Ignition Lead Sets
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original ignition lead sets. OE (Original Equipment) refers to parts matching original specifications for the ignition lead sets and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM ignition lead sets engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Ignition lead sets carry high-voltage current from the coil or distributor to each spark plug, delivering the spark needed for combustion. Worn or damaged leads increase resistance or allow arcing, producing misfires, rough idle and poor throttle response. OEMatch supplies a broad range of Porsche parts and maintains an extensive parts catalogue with thousands of part numbers and OE cross-references, supporting maintenance and restoration across many Porsche models.
Benefits Include
- Restored ignition consistency to reduce misfires and rough running
- Improved starting and throttle response
- Durable insulation and terminals to resist heat and contamination
Why Ignition Lead Sets Wear and Fail
- Heat and age causing cracked or hardened insulation
- Corrosion or oxidation on terminals increasing resistance
- Moisture or oil contamination leading to arcing or short circuits
- Mechanical stress from vibration or incorrect routing
The Importance of Replacing with OEMatch Ignition Lead Sets
Faulty leads can impair combustion and increase emissions, so timely replacement restores reliable spark delivery and consistent engine behaviour. Choosing parts prepared for Porsche applications helps preserve original routing, terminal types and heat resistance characteristics, reducing the risk of recurrent faults and supporting predictable vehicle performance.
Advantages
- Vehicle-specific fit and terminal styles to match factory connections
- Materials selected for heat and vibration resistance
- Complete kits simplify renewal by including boots and terminals where required
Support & Advice
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
