Please wait… 
Please wait while we process your order,
do not press the back button… 
Design911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk/images/schemaLogo.png https://www.design911.co.uk Facebook Instagram
Porsche specialists based in the UK
Porsche 924 (1977-1988) 924 Carrera GT 2.0L 1981 Engine Electrical

Ignition Lead Sets

Ignition Lead Sets

DISPLAYING 1 to 1 (of 1 products)
Ignition HT lead set. Porsche 924 Carrera GT M31.50 / Carrera GTS 2.0L - 93760910501, 93760910502, 93760910503, 93760910504, N038889B, N0388891
3
Ignition HT lead set. Porsche 924 Carrera GT M31.50 / Carrera GTS 2.0L
93760910501/1
Product Information
Product Information

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
93760910501
93760910502
93760910503
93760910504
N038889B
N0388891

The product you are viewing cross references to these numbers
DISPLAYING 1 to 1 (of 1 products)
About Ignition Lead Sets

Ignition Lead Sets – Reliable Spark Transfer for Peak Porsche Performance

Ignition lead sets, also known as spark plug wire sets, play a crucial role in your Porsche’s ignition system. They carry high-voltage current from the ignition coil or distributor to the spark plugs, ensuring a strong and consistent spark for optimal combustion and performance.

At Design911, we offer a wide range of genuine and high-quality ignition lead sets for 911, 944, 928 and other Porsche models. Each set is designed for precise fitment, superior conductivity, and exceptional heat resistance — maintaining dependable performance under all driving conditions.

What Do Ignition Lead Sets Do?

Ignition leads are responsible for delivering the electrical charge required to ignite the fuel-air mixture inside your Porsche’s engine. Their functions include:

  • Transmitting high-voltage current from the ignition coil or distributor to the spark plugs.
  • Ensuring consistent spark delivery for smooth combustion.
  • Reducing electrical resistance for improved efficiency and performance.
  • Providing insulation and durability against heat and vibration.

High-quality ignition leads are essential for maintaining strong ignition performance, quick starts, and efficient fuel use in all Porsche engines.

Why Do Ignition Leads Fail?

Over time, ignition leads experience electrical and thermal wear, reducing their ability to deliver a strong spark. Common causes of failure include:

  • Cracked insulation from heat or age.
  • Corrosion or oxidation on terminals.
  • High resistance due to degraded internal conductors.
  • Moisture or oil contamination causing arcing or short circuits.
  • Mechanical stress from engine vibration or poor routing.

Symptoms of failing ignition leads include engine misfires, rough idling, reduced acceleration, hard starting, and increased fuel consumption.

Why Replace Worn Ignition Leads?

Old or damaged ignition leads can cause weak or inconsistent spark delivery, leading to reduced engine performance and fuel efficiency. Replacing them restores proper combustion and smooth operation.

Benefits of replacement include:

  • Improved throttle response and power output.
  • Smoother engine idle and reduced misfires.
  • Enhanced fuel economy and lower emissions.
  • Reliable, manufacturer-quality ignition performance.

Our ignition lead sets are manufactured from high-grade silicone, Kevlar reinforcement, and precision terminals, ensuring maximum conductivity, flexibility, and long-term durability.

You may also like
Popular Models