Our website uses JavaScript. Performance is higher due to the Twin tip technology and the Denso patented 0.4mm centre electrode. The Denso patented Twin tip upgrade- technology is now available in the lower price segment. denso ik16 iridium bougie nippon ik27 allumage oscaro candele velas
Built by DENSO in-house, with zero defects as standard.
denso plugs iridium Developed in-house for a wide range of applications. 
Appearance: The insulator section and electrode section are black and lustrous with wet oily deposits.
iridium ls460 ls600h The well-timed combustion of the fuel-air mixture of gasoline and oxygen is what generates power in gasoline engines. denso spark plugs application guide plug pdf DENSO spark plugs provide the best optimum performance in a compact design. spark iridium plugs denso power Designed with F1 performance in mind, the spark plugs ultra-fine centre electrode creates fewer misfires, even in difficult conditions, providing unbeatable acceleration and ignition performance. denso gk3 spark
There are spots on the insulator leg section and deposits of aluminium or other metal powder.
Since our first design in 1959, weve been working to develop our spark plug technology and improve performance.
With platinum on both the centre and ground electrodes, these spark plugs are resistant to corrosion and erosion, meaning they can provide superior spark performance and lifetime on OEM level in excess of 60,000 km.
denso The lifetime of these plugs meet any OE engine maintenance requirement. denso atoms metals Appearance: The insulator leg section is cracked or broken. DO NOT test for spark by grounding the spark plug next to spark plug hole. spark plug wire set, I I - PartSelect 8. Appearance: The centre electrode or ground electrode is melted or scorched. 
The technology provides a performance upgrade versus the normal nickel equivalent with average lifespan is up to 40.000km. iridium denso is300h gs300h bugi iridium denso iu22 finlex Super ignition is considered the best available technology for spark plugs. denso plug
Appearance: The insulator leg section is scorched and extremely white with small black deposits.
Produced with Twin tip technology and a smaller centre electrode, DENSOs super ignition spark plugs provide the highest levels of performance even within the most extreme and challenging environments.
Effects: Power loss due to engine damage. 
This expertise informs the design of our huge range of compact spark plugs.
These Denso Iridium Longlife plugs provide superior spark performance and lifespan according to the car makers requirements. In order to find the right plug for your vehicle, you need to consider the heat range, hex diameter, total length and horsepower of the engine, as well as inspecting the condition of the current plug, to choose a new one accordingly. Our spark plugs are suitable for 90% of car models and are designed to provide reliable performance in a range of engine types and for various applications. denso 
For further information, please check the links below, Financial report for the Fiscal Year Ended March 31, 2023.
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To help you ensure accurate spark plug installation first time, please follow DENSOs specifications below: Appearance: The insulator foot section and electrode section are covered with dried, soft black carbon.
Specially shaped ground electrodes and a Denso patented 0.4mm diameter iridium centre electrode create high ignitability with low voltages.
The plug heat range is too low, the injection timing is too advanced, etc. denso splugs
This spark plugs unique electrode design uses platinum, meaning it can provide powerful performance and improve fuel consumption on daily journeys for at least 100,000 km. 
This voltage breaks down the natural insulation between these electrodes and an electrical spark is generated. 
Cause: Severely abnormal combustion, lack of attention to gap adjustment. denso
The two needle-thin electrodes in DENSOs patented Iridium TT design enable sparks to grow 360 degrees in all three dimensions, improving ignition performance and combustion output, increasing spark plug lifespan and reducing emissions.
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This compact design creates a 1.4% improvement in power output at 110km/h compared to normal plugs and is recommended for motorcycle engines.
denso ik27 plugs iridium Cause: Often this is due to overheating; pre-ignition is a phenomenon in which combustion occurs before ignition. 
This means theyre available at a lower cost and are suitable for a wide range of applications.
Cause: Repeated short-distance driving (driving with the engine cool), incorrect choking (overly rich air-fuel mixture), injection timing delay, plug heat range too high.
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Super ignition spark plugs maintain a very long lifespan according to the car makers requirements. As well as designing to optimize performance, DENSO produces a range of spark plugs with different electrode shapes and sizes that are suitable for different engine applications.
Although this strong spark only lasts for about 1/1,000 of a second, it has to be precisely and reliably timed to trigger the combustion of the fuel-air mixture.
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Rapid electrode wear.
proisrael denso plugs Known as the heart of the engine, spark plugs play a key role in the ignition and performance of the entire engine.
denso denso spark plugs With Iridium on the centre and Platinum chip on ground electrodes, these spark plugs are resistant to corrosion and erosion.
Discover how DENSOs extensive range of spark plugs can improve the ignition performance of your OE vehicle. The functions of JavaScript of your browser are nullified.
The precise timing of the spark created by the spark plug ignites the fuel, triggering combustion.
The spark. 
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To create this spark, a high voltage is passed between the centre electrode and ground electrode of the spark plug.
iridium denso As well as producing better ignitability than a Standard Nickel Plug, this is the first-ever fine-wired Spark plug without precious metal-based electrodes.
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Effects: Loss of power when running at high speed or under high load.
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Cause: Spark plug incorrectly tightened, engine cooling problem, ignition timing too early, spark plug heat range too low, severely abnormal combustion. Effects: Poor starting, misfiring, acceleration defect.
Cause: Oil leakage due to piston ring, cylinder, or valve guide wear (occurs easily to new engines and engines that have just been overhauled), high oil content in air-fuel mixture (2-stroke engines).
Great care must be taken to ensure the safe installation of a spark plug: A spark plugs appearance and various engine symptoms can help to diagnose damage: What is the recommended torque and turning angle for my spark plug.
As engines downsize, spark plugs still need to provide similar or improved levels of spark performance.