Genuine Toyota Ignition Coils & Leads

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What Are Toyota Ignition Coils & Leads?

Toyota ignition coils and spark plug leads are critical components of your vehicle's ignition system. They work together to deliver high-voltage electricity from the battery and ECU (Engine Control Unit) to the spark plugs, creating the spark needed to ignite the air-fuel mixture in the combustion chamber.

  • Ignition Coils – Convert low-voltage battery power into the high-voltage spark required for combustion.
  • Spark Plug Leads (HT Leads) – Insulated cables that safely transfer high-voltage electricity from the coils to the spark plugs.

These components work in sync with your Toyota’s ECU, spark plugs, and crankshaft position sensor to ensure smooth engine operation, optimal fuel efficiency, and reduced emissions.

How Long Do Toyota Ignition Coils & Leads Last?

Genuine Toyota ignition coils typically last 80,000 to 120,000 km, while spark plug leads can last 60,000 to 100,000 km, depending on driving conditions and maintenance.

Symptoms of Failing Ignition Coils or Leads:

  • ⚠️Engine misfires (rough idling or hesitation under acceleration)
  • ⚠️Reduced power & poor fuel economy
  • ⚠️Check Engine Light (often with ignition-related fault codes)
  • ⚠️Difficulty starting the engine
  • ⚠️Visible damage (cracks, burns, or corrosion on leads/coils)

If you experience these issues, it’s time to inspect or replace your ignition components—Nunawading Toyota Parts has genuine replacements in stock.

Genuine Toyota Ignition Coils & Leads – Engineered for Reliability

At Nunawading Toyota Parts, we stock 100% genuine Toyota ignition coils and leads, ensuring:

  • ✔Perfect fit & performance for your specific Toyota model
  • ✔Superior durability with OEM-quality materials
  • ✔Optimal spark delivery for smooth engine operation
  • ✔Toyota-backed reliability & warranty

Aftermarket ignition parts may fail prematurely, cause engine misfires, or even damage your vehicle’s ECU. Genuine Toyota coils and leads are precision-engineered to match your vehicle’s exact specifications, ensuring long-lasting performance and trouble-free driving.

Our Toyota parts specialists can help you select the correct coils and leads for your vehicle.