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Use our Spark Plugs & Glow Plugs lookup to find products matched to your specific vehicle

At Opie Oils it's easy to find he right plug for your vehicle, no matter if it's a petrol or diesel powered engine you can use our lookup to quickly find the correct plugs that fit.

Ensuring that your vehicle has the correct spark plugs / glow plugs installed ensures the correct combustion process and optimum performance is maintained, also, something that not everyone considers, your plugs are commonly heat matched to a specific engine, meaning if the wrong temperature spark / glow plugs are fitted the life span of the plug can be greatly decreased or even cause failure.

Spark plugs are a "service item" and should be changed according to the manufacturer's recommendation for your vehicle. For most cars this is every 12,000 - 24,000 miles / 1 - 2 years. Iridium spark plugs have a longer life than standard material spark plugs (typically nickel alloy) or silver plugs - up to 100,000 miles for Denso Iridium Tough and NGK Iridium IX spark plugs.Sometimes iridium plugs will be specified by the manufacturer as the only suitable choice for your vehicle.

Our plugs come from the leading spark and glow plug manufacturers NGK and Denso, they are at the leading edge of plug technology and are common place within first fit (OEM Parts) car production because of it.

Denso & NGK Spark / Glow Plugs
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Spark Plugs

DENSO Spark PlugsNGK Spark Plugs
Denso & NGK Spark / Glow Plugs
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Spark & Glow Plugs Explained

Spark and glow plugs are a critical part of the combustion process but are a commonly misunderstood component.

Plugs at their rawest explanation have a simple but critical job, to ignite the fuel and air mixture within the piston chamber, which in turns forces the piston down and produces the power of the engine. I vital thing to remember about plugs is the operating temperature, a plug uses a lot of voltage in order to produce a ignition worthy spark "electrical performance", which in turn causes heat, the trick is to keep this temperature low enough to prevent pre-ignition but high enough to prevent fouling "thermal performance".

There are many fundamental factures that separate one plug out from another:

  • length of the insulator nose
  • Thermal conductivity of the centre electrode
  • Structure of the centre electrode, copper iridium etc
  • Relative position of the insulator tip to the end of the shell "projection"
  • heat rating, the longer the insulator nose the hotter the capacity

Spark / glow plugs can be used to diagnose an ill performing engine, they offer insight into fuel richness, heat, air to fuel ration and contamination within the combustion process... so take notice of damaged or unhealthy looking plugs.

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