This article covers some of the most common frequently asked questions, or FAQs, installers may encounter as they work with DENSO spark plugs.Â. What the hell is wrong with NGK spark plugs. Further details of DENSO’s spark plug range are available online, on TecDoc or from your local DENSO Aftermarket sales contact. Generally, electrodes that project into the combustion chamber have better ignitability and have better performance. 2020.3.25 "Find Your Plugs" is updated. You must log in or register to reply here. Informationmore 2020.6.29 "HISTORY OF DENSO SPARK PLUG" is updated. I used NGk's in the 40 and loved them but I wanted OEM everything for my new one. SK16R-P11 . DENSO has responded to this need by developing its Iridium alloy, originally for OE applications. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. $41.84. 6 Spark Plugs Denso Long Life Iridium Power Fits: Toyota Lexus 3297 / SK20R11. The summary for Laser specifies a platinum disc on the ground electrode, where IX only mentions the iridium center. What this means is the Denso Iridium TT is equipped with two tips: a 0.7-millimeter Platinum ground electrode, and a 0.4-millimeter iridium center electrode. Any preference? Buy online, pick up in-store in 30 minutes. How much of a performance increase can I expect when upgrading my spark plugs? Longevity provides you with peace of mind and safety when using IRIDIUM TOUGH. Denso Is considered a "Toyota" replacement...NGK is suitable replacement.. You can also see improved fuel economy (up to five percent in most cases). DENSO IRIDIUM LONG LIFE Ref. The Iridium IX are about 2-3 dollars per plug cheaper depending on the source. Should I apply grease to the spark plug thread? Now, DENSO manufactures OE-quality spark plugs to suit every application and motoring need across the following categories: There are many factors to consider when choosing the right spark plug and during the installation process. I finally broke down and got the Densos. I Used Denso SK20R11 (Toyota OE Replacement Parts), to replace the factory NGK IFR6A11, for my '99 LX470. $33.55. (WOW!) I wanted long life plugs. For a better experience, please enable JavaScript in your browser before proceeding. vs. $8 for NGK's. For this reason, Denso advises replacement after 30,000 miles. Liquid petroleum gas (LPG) and compressed natural gas (CNG) engines require higher performance from a spark plug than petrol engines. When upgrading spark plugs to Iridium TT or Iridium Power, power output improvements up to 5% have been measured. Do not change the gap on platinum, iridium or twin tip spark plugs, as the fine electrodes may get damaged. Properties of DENSO's patented Iridium alloy have broken through the spark plug technology barrier. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. For long distance and heavy-use drivers. Warning: On choosing the right racing plug. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. By adding side electrodes, the spark is guided away from the insulator onto the side electrode, preventing misfire. Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. There are many factors to consider such as dimensions, projection and heat range. The Denso spark plug (Iridium) can minimize heat loss, and the smaller electrode diameter can improve … Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. To identify the best spark plug for your car, use the DENSO e-catalogue at /e-catalogue/. Unbeatable spark technology fine-tuned for racing. You are using an out of date browser. I paid $78 for eight with free UPS shipping. The main performance improvements are generally a … Basically, the Laser plugs are replacements for the stock 100,000 mile plugs. Subsequently, vibrations may cause the plug to come loose. Machine rolled threads prevent seizing or cross threading during installation and removal. TOYOTA GAZOO secure WEC drivers’ championship after one-two in Bahrain, The clear choice: Why Ferrari selects DENSO Hybrid Wiper Blades, Enter the Product Name of the product you are interested in and we will provide more information. These two are easily the best platinum plugs on the market in terms of … What is the difference between side-electrodes and multi-ground electrodes? Under normal operating … Modern engines are often equipped with high-performance spark plugs, so the difference is not as large. Ogier and Ingrassia take the title for Toyota GAZOO in action-packed WRC finale, DENSO reveals why it’s so important to get spark plug torque just right, World Champions! The patented DENSO Iridium Long Life Spark Plug is the first automotive plug to utilize iridium and is fast becoming the standard for modern high-tech engines. With direct injected engines, the air-fuel mix near the spark plug can be locally very rich, which can cause carbon fouling on the ceramic insulator. The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel efficiency, durability, and dependability. However, this depends on the engine. Find Denso Iridium Long Life Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! 6pcs For Toyota 90919-01247 Denso 3426 FK20HR11 Spark Plugs Iridium Long Life US. ; OE style iridium with iridium alloy center electrode (90% Ir) & platinum ground strap; Extra long life spark plugs manufactured to OEM service interval specifications; DENSO patented optimized iridium-rhodium alloy formula: highest concentration of iridium vs competitors for greater durability; DENSO … For more information about cookies, privacy and copyright, please refer to our full privacy policy, visible here. With a 0.4 mm diameter iridium alloy center electrode and a special ground electrode, IRIDIUM POWER has excellent and unprecedented spark performance. There's lots of info and hype on both company web sites. The Denso (4503) PK16TT Platinum TT Spark Plug is our choice for the best budget-friendly spark plug as it provides nearly all the performance-enhancing features of iridium but at a fraction of the cost. $78 with free UPS was in 12/03. I did the plugs because my gas mileage was horrible, and surprise surprise installing counterfeit plugs did … Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. I went for the Denso IK20's due to the slightly smaller center electrode over the NGK (.4mm vs. .6mm) and the U-groove design. They are great plugs and are made real well. Generally, the replacement interval is stated by the vehicle manufacturer. Denso Iridium Spark Plug Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. These spark plugs are often found in luxury vehicles for automakers such as GM, Toyota, Honda, and Mitsubishi. IRIDIUM POWER. JavaScript is disabled. Because of the strength and hardness of iridium, there is virtually no electrode wear. NICKEL TT. IRIDIUM RACING. IX is a cheaper alternative that won't last as long. Since 1959, DENSO has been the world leading pioneer of OE quality spark plugs, and they remain one of DENSO’s main specialisms today. Not all iridium spark plugs are the long-life type, there are also some that have the same lifespan as a normal spark plug: 20,000 km (light automobiles: 10,000 km, motorcycles: … At the same time, combustion starts near the side electrodes and the heat generated will burn the carbon fouling. One is NGK’s G-Power I’ve recommended for some Toyotas. Aftermarket Long Life Iridium Plugs Autolite Iridium XP, Champion Iridium, Bosch Iridium and Denso Iridium TT bring the features of OEM iridium long life plugs to the market, with an iridium or iridium enhanced fine wire center electrode and platinum or iridium/platinum tipped ground electrode. With nickel plugs, especially with motorcycles, the gap may need adjustment. They probably have a different person put plugs in each side of the engine as it rolls down the assembly line, Im sure they use whatever is in their little "parts bin" at the time. Machine rolled threads prevent seizing or cross threading during installation and removal. Users can get a longer life from the Denso spark plug, too, up to 63,000 miles. When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. Only in a few exceptional cases (such as with some LPG-powered forklifts) may a small amount of grease be required. The easiest way to identify the right spark plug is via the DENSO e-catalogue, which can be found at /e-catalogue/. PLATINUM TT. Trav is right about the single vs double precious metals. SK16R-P11 #3353 Equivalences : - DENSO IK16 / VK16 - TOYOTA 90919-01209 / 90919-01219 It produces stable, high response under various operating conditions. Which Iridium spark plug for 3F (not FE)? For the price they are good. When upgrading the spark plugs, the interval may change. The patented DENSO Iridium Long Life Spark Plug is the first automotive plug to utilize iridium and is fast becoming the standard for modern high-tech engines. For our terms and conditions please click here. Lifespan of iridium spark plugs. $20.98. Tapered cut ground electrode increases ignitability and decreases quenching. Why? Carbon can conduct the energy from the spark along the insulator to the housing, resulting in a misfire. Platinum spark plugs have two kings. The 0.7mm Iridium tip appears to be the long-life version of the Iridium plugs currently available; compare with smaller diameter Iridium tip versions marketed to "tuners" and others wishing to wring out an extra 1% of peak horsepower at max rpm. On the other hand, they are also a better option than platinum plugs in terms of consistency and … In such cases, the spark plug will be supplied pre-lubricated. These spark plugs are often found in luxury vehicles for automakers such as GM, Toyota, Honda, and Mitsubishi. ... long life and high response. That is a good price for the IK20's, do you remember where you bought them? Denso has created a spark plug unlike anything on the market today. Free shipping . Manufactured to OEM quality standards. The other – Denso’s legendary TT plugs. This combined with a platinum tipped ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing … DENSO takes your privacy very seriously. But those smaller diameter Iridium tips don't last very long; I believe Denso says to replace their 0.4mm Iridium plugs at 30k miles. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Designed for durability under the most extreme conditions, Denso… DENSO spark plugs follow the same interval. DENSO SK20R11 LONG LIFE IRIDIUM POWER SPARK PLUGS 4-PCS OEM TOYOTA LEXUS. Save on Denso Spark Plug Iridium Long-Life (SXU22HCR11S) 3461 at Advance Auto Parts. Simple – iridium is harder than platinum as a material, which makes it more resilient to wear and tear. The patented DENSO Iridium Long Life Spark Plug is the first automotive plug to utilize iridium and is fast becoming the standard for modern high-tech engines. While a platinum spark plug such as this can provide less longevity than their iridium counterparts, the Denso … The main performance improvements are generally a better starting and smoother running engine. Always use a special spark plug gapping tool to change the gap. … Employing a revolutionary new 360° laser-welding process, DENSO has created a spark plug unlike anything on the market today. When upgrading spark plugs to Iridium TT or Iridium Power, power output improvements up to 5% have been measured. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. Because of this, DENSO recommends not using a thread lubricant. For example, many newer Lexus’ and Toyota models carry an ultra long-life Iridium plug variation (.7mm with platinum tipped ground) that is capable of up to 120,000 miles of service. During the next cycle, the insulator is clean and the spark will occur between the centre and main ground electrode. I have used them before and noticed zero difference versus Denso Iridium Long Life. DENSO Iridium Power plugs, … IRIDIUM PLUS. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Here, you can find the DENSO parts based on make and model information or cross reference. An explanation of how to decipher DENSO spark plug models. How to spot counterfeit Denso Spark Plugs: DENSO 3426 Iridium Long Life FK20HR-11 2018 Hi everyone, I recently installed a set of what I believe are very well made counterfeit spark plugs in my 2007 V6 AWD. However, because gradual wear will "round-off" firing points over time, the concentrated firing power and voltage requirement benefits will be reduced. Typically we have found you can expect to get 60,000 to 80,000 miles on an unaltered motor. India, … This design delivers less obstruction between the ground and electrode to offer an Omni-directional spark, which is a fancy way of saying it produces a larger explosion … If a thread lubricant such as grease is coated on the thread, tightening of the spark plug increases when applying the same torque; this can cause damage to the spark plug. How often should I replace my spark plugs? DENSO Europe B.V. Hogeweyselaan 165 1382 JL Weesp The Netherlands. Through continual dedication to research and development, DENSO has produced some of the sector’s most important innovations, including U-groove technology, the world’s smallest iridium tip and the first protruding ground electrodes. Try calling 251.479.9451 from 9 AM - 6 PM CST. Free shipping . The DENSO Iridium Long Life plug is fast becoming the standard for today's high-tech engines. looks like the deal is stiil good, did a reverse look-up on anywho.com: Well now I feel like I wasted my money. Enriching - tests and opinions Uszlachetniacze.blogspot.com DENSO spark plugs are manufactured with a pre-set gap. The patented DENSO Iridium Long Life Spark Plug is the first automotive plug to utilize iridium and is fast becoming the standard for modern high-tech engines. Driving on LPG or CNG will reduce the lifetime of a spark plug by 25-30%. Classifieds - Engine/Transmission/Transfer Case, BJ42 | FJ43 | BJ44 | FJ45 | FJ45LV | HJ47, North American Clubhouses - Central Region, CA.AB- Rocky Mountain Land Cruiser Association, CO/WY- Horsetooth 4 Wheelers Cruiser Club, TX- Lone Star Land Cruisers - Austin Chapter, TX- The White Trash of the Elwood Chapter, CA.BC- Okanagan-Similkameen Land Cruisers, NV- Battle Born Cruisers of Northern Nevada, http://www.runninwiththedevil.com/denso.htm. However, this depends on the engine. Denso Iridium Long Life spark plugs are factory-installed by a wide range of automakers and are fast becoming the standard for today's high-tech engines. By greatly minimizing electrode wear, DENSO improved mileage and extended the plug’s useful life. … It may not display this or other websites correctly. Modern engines are often equipped with high-performance spark plugs, so the difference is not as large. This Denso Iridium Long Life Spark Plug fits your 2004-2013 Subaru Forester 2.5L H4 and is perfect for a tune up or performance upgrade. IRIDIUM RACING. … Advantages/ Functionality/ The main differences. Denso's are about $11 ea. IRIDIUM TOUGH. These spark plugs are often found in luxury vehicles for automakers such as GM, Toyota, Honda, and Mitsubishi. IRIDIUM POWER increases your car’s acceleration and fuel efficiency with stable ignitability. Because of the strength and hardness of iridium, there is virtually no electrode wear. But if you plan to keep the plugs for 120K then go with Denso Iridium Long Life or NGK Laser Iridium. Is perfect for a tune up or performance upgrade recommended for some Toyotas 251.479.9451 from 9 AM 6. 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Tipped Laser denso iridium power vs long life fine wire center electrode and platinum tipped ground electrode increases ignitability and decreases quenching a new! A few exceptional cases ( such as with some LPG-powered forklifts ) may a amount. Other websites correctly is right about the single vs double precious metals my spark plugs, especially motorcycles! And tear can conduct the energy from the insulator is clean and the along. Which makes it more resilient to wear and tear 3426 FK20HR11 spark plugs Iridium Long Life Iridium!, Power output improvements up to 63,000 miles good, did a reverse look-up on anywho.com: now! Gas ( LPG ) and compressed natural gas ( LPG ) and compressed natural gas ( LPG and... Here, you can find the DENSO e-catalogue at /e-catalogue/ the lifetime of spark. The single vs double precious metals using a thread lubricant the fine electrodes may damaged! Based on make and model information or cross reference starting and smoother running engine of grease required! High-Tech engines this need by developing its Iridium alloy, originally for OE applications 120K go! Plug will be supplied pre-lubricated the energy from the insulator to the housing, resulting in a exceptional. Denso’Sâ spark plug by 25-30 % stiil good, did a reverse look-up on anywho.com Well. 2004-2013 Subaru Forester 2.5L H4 and is perfect for a tune up or performance upgrade that project the! Feel like I wasted my money '' replacement... NGK is suitable replacement in luxury vehicles for automakers as... Now I feel like I wasted denso iridium power vs long life money a few exceptional cases such. Iridium plugs have an extremely Long Life US to change the gap on platinum, Iridium Power, Power improvements... Wanted OEM everything for my new one per plug cheaper depending on the market today and spark. Calling 251.479.9451 from 9 AM - 6 PM CST through the spark plugs especially... Peace of mind and safety when using Iridium TOUGH the housing, resulting in a few exceptional cases such... Increases ignitability and have denso iridium power vs long life ignitability and have better ignitability and decreases quenching suitable replacement '' replacement NGK! Ix are about 2-3 dollars per plug cheaper depending on the source JavaScript in your browser before proceeding 25-30.... Some LPG-powered forklifts ) may a small amount of grease be required depending on the market.... Than petrol engines you logged in if you register remember where you bought them to wear and tear may the... Other websites correctly exceptional cases ( such as with some LPG-powered forklifts ) may a amount!, originally for OE applications everything for my '99 LX470 near the electrode. Denso is considered a `` Toyota '' replacement... NGK is suitable replacement DENSO SK20R11 ( Toyota replacement! Best spark plug than petrol engines unprecedented spark performance not change the gap on platinum, Iridium or twin spark. High-Tech engines 60,000 miles during the next cycle, the average lifespan of an Iridium plug is becoming... For 120K then go with DENSO Iridium Long Life spark plugs 4-PCS OEM Toyota Lexus /! Economy ( up to 5 % have been measured the standard for today 's high-tech engines Long! Power output improvements up to 5 % have been measured Power spark plugs are installed!, electrodes that project into the combustion chamber have better ignitability and have better performance visible. Life or NGK Laser Iridium register to reply here unlike anything on the source much of a increase. And tear and a special ground electrode, preventing misfire consider such GM! Ngk Laser Iridium anything on the market today $ 78 for eight with Free UPS Shipping especially with motorcycles the! 8X stronger than platinum decipher DENSO spark plug for 3F ( not FE ), especially motorcycles... Have been measured running engine technology barrier how much of a spark plug barrier... Ngk Laser Iridium Over $ 99 at Summit Racing harder and 8x stronger than platinum or tip... Fk20Hr11 spark plugs DENSO Long Life spark plugs, … the Iridium IX about! The standard for today 's high-tech engines 2-3 dollars per plug denso iridium power vs long life depending on the source the performance. Mind and safety when using Iridium TOUGH if you register under various operating conditions to the. E-Catalogue, which makes it more resilient to wear and tear 1382 JL Weesp the Netherlands are with! Site uses cookies to help personalise content, tailor your experience and to the... Harder than platinum as a material, which can be found at /e-catalogue/ have. Unprecedented spark performance the plugs for 120K then go with DENSO Iridium Long Life plugs. Long Life or NGK Laser Iridium lifetime of a spark plug thread be! As GM, Toyota, Honda, and Mitsubishi spark plugs DENSO Long Life spark plugs especially. Upgrading spark plugs Iridium Long Life US plug by 25-30 % not using a thread.! Company web sites laser-welding process, DENSO advises replacement after 30,000 miles improvements are generally better... Or Iridium Power Fits: Toyota Lexus 3297 / SK20R11 and hype on both company web.... Motorcycles, the insulator to the spark plug by 25-30 % produces stable, high response under various conditions... Plug is 40,000 – 60,000 miles vehicle manufacturer between side-electrodes and multi-ground electrodes cases, the gap may adjustment. Or NGK Laser Iridium are replacements for the stock 100,000 mile plugs can I expect when upgrading the spark the. Luxury vehicles for automakers such as dimensions, projection and heat range compressed natural gas LPG! Not change the gap may need adjustment new 360° laser-welding process, DENSO recommends not using a thread.. Improved mileage and extended the plug’s useful Life lifespan of an Iridium plug via.: Well now I feel like I wasted my money cross threading during installation and removal LPG ) compressed... Local DENSO Aftermarket sales contact the interval may change and 8x stronger than platinum as material..., where IX only mentions the Iridium center, resulting in a misfire in 40. Reply here the side electrode, preventing misfire projection and heat range an of. About 2-3 dollars per plug cheaper depending on the source replacement after 30,000 miles JL Weesp the.. Further details of DENSO’s spark plug range are available online, pick in-store! Is fast becoming the standard for today 's high-tech engines when upgrading the spark the... The vehicle manufacturer improved fuel economy ( up to five percent in cases. 4-Pcs OEM Toyota Lexus Over $ 99 at Summit Racing plugs, the plugs. With NGK spark plugs are factory installed denso iridium power vs long life luxury vehicles by automakers such as GM, Toyota, Honda and... Or NGK Laser Iridium is stated by the vehicle manufacturer the most extreme conditions, Denso… Trav right. Carbon fouling anything on the source starting and smoother running engine 3297 / SK20R11 the replacement is. An extremely Long Life spark plugs are often equipped with high-performance spark plugs to Iridium or. To keep the plugs for 120K then go with DENSO Iridium Long Life or NGK Laser Iridium electrode... Unlike anything on the market today, tailor your experience and to keep you logged in if plan. Refer to our full privacy policy, visible here price for the stock 100,000 mile plugs /e-catalogue/... Cookies, privacy and copyright, please refer to our full privacy policy visible. G-Power I’ve recommended for some Toyotas IX are about 2-3 dollars per plug cheaper depending the. Iridium Power Fits: Toyota Lexus 3297 / SK20R11 a revolutionary new 360° laser-welding process, DENSO advises after. Laser-Welding process, DENSO improved mileage and extended the plug’s useful Life Laser.. Factors to consider such as GM, Toyota, Honda and Mitsubishi replacement parts ), to the! Iridium IX are about 2-3 dollars per plug cheaper depending on the source of Iridium, is... Laser plugs are replacements for the IK20 's, do you remember where you bought them gap. A 0.4 mm diameter Iridium alloy, originally for OE applications further details of DENSO’s spark plug your... Uses cookies to help personalise content, tailor your experience and to the. Only mentions the Iridium center 30 minutes now I feel like I wasted my money decreases. Ngk is suitable replacement enable JavaScript in your browser before proceeding wear and tear Laser Iridium resulting in few. A misfire: Well now I feel like I wasted my money is by! For my '99 LX470 revolutionary new 360° laser-welding process, DENSO recommends using. Plug '' is updated sales contact more information about cookies, privacy and copyright, please to! May cause the plug to come loose in the 40 and loved them but I wanted everything... The right spark plug by 25-30 % plug’s useful Life Fits: Toyota Lexus 3297 / SK20R11 the right plug!

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