, See all Spark Plug that fit your vehicle here, The part you are purchasing contains a component that is recyclable, The Core Charge deposit is charged at the time of purchase, When the recyclable component from your old part is returned to us, the charge is refunded to you, Bring the part to any Advance Auto Parts store along with your receipt or packing slip, Mail the part back to Advance Auto Parts following the directions including on your packing slip. On the other hand, they are also a better option than platinum plugs in terms of consistency and longevity. Fitting an aftermarket Iridium plug may actually result in a drop in performance and service life. Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. 2020.3.25 SPARK PLUG CATALOG ASIA OCEANIA VERSION 2020 is updated. The spark plug is precision-welded using Denso’s exclusive 360-degree laser welding technology to ensure lasting performance. 1) Long Lifespan. SS 2301-2312 (1982) and general principles of the Federal Trade Commission Act, a manufacturer may not require the use of any brand of filter (or any other article) unless the manufacturer provides the item free of charge under the terms of the warranty. Some of its best spark plugs for motorcycles are the Denso Platinum TT Spark Plug and the Denso Iridium Long Life Spark Plugs. Add to cart. There's a problem loading this menu right now. This produces a dramatic improvement in ignitability and spark plug life. By providing this information to consumers, the Filter Manufacturers Council can help to combat the erroneous claim that a brand of replacement filter other than the original equipment will "void the warranty.". The truth, however, is that if you’re looking for convenience, iridium plugs are actually the best choice. NGK 6619 Iridium Spark Plugs LFR6AIX. Free shipping for many products! Properties of DENSO's patented Iridium alloy have broken through the spark plug technology barrier. Manufactured to the strictest OE performance, durability and emissions standards.Product Features: VIP and Elite members - Refer your friends to Speed Perks and get 1000 points after Denso's Tough Plug design combines an ultra fine 0.4mm diameter centre electrode with a platinum 'chip', embedded in the ground electrode. Otherwise, I would have given five stars. Best Motorcycle Spark Plug Reviews & Recommendations 2019. Delivered as promised and happy except for one big issue. Find many great new & used options and get the best deals for Spark Plug-Iridium Long Life DENSO SK20R11 at the best online prices at eBay! Browse detailing products and read helpful articles. Great item for what I needed to replace spark plugs for my Toyota 4Runner 2008. Old plugs were dirty coming out though did not look worn out or damaged after 100k miles. 20,000 km type [normal lifespan type] These spark plugs are ideal for most cars that we … Part Number: NP3303. Find Denso Iridium Long Life Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! If you want to use spark plugs in your vehicle which will last for the longest time, then you’ll want to use iridium spark plugs. Denso uses thinner electrode 0.4mm vs 0.6mm in NGK, thus requiring less power to ignite the spark. The word "DENSO" on the white insulator is in crosshatched font and appears lighter in the genuine DENSO part and as as shown in the ad photo. India, Indonesia, Korea, Malaysia, Philippines, Saudi Arabia, Singapore, Taiwan, Thailand and Vietnam Automobile, Motorcycle are renewed. Machine rolled threads prevent seizing or cross threading during installation and removal. I can't say that my truck is running any better but it's definitely not running worse so I would say that at the very least these are the perfect replacement for the OEM plugs. If you have any questions, please call 1-877-ADVANCE (238-2623) or visit any Advance Auto Parts store. Please contact Customer Care for any warranty questions. I am careful with the install using a proper socket so I am hopeful they will work fine when I install them in the near future. This part does not fit your selected vehicle. The Denso 3479 Spark Plug wires is made of iridium and is specifically designed for a long life-span. So, if the consumer is told that only the original equipment filter will not void the warranty, he should request that the OE filter be supplied free of charge. Reviewed in the United States on January 1, 2018. Terms and length vary by product. It also analyzes reviews to verify trustworthiness. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Denso has created a spark plug unlike anything on the market today. I got 130,000 miles from the original set of Denso's. 2019.2.22 "Find Your Plugs" is updated. Denso made a whole PowerPoint slide telling you how to spot fakes. Below are the top 3 benefits of iridium spark plugs. And also smaller electrode means that less wear will occur. The DENSO Iridium Long Life plug is fast becoming the standard for today's high-tech engines. Free shipping for many products! Advance Auto Parts Limited Warranty - applies to all products not covered by one of the below warranties. ACDelco 41-993 Professional Iridium Spark Plug. Enriching - tests and opinions Uszlachetniacze.blogspot.com Since 1959, DENSO has been the world leading pioneer of OE quality spark plugs, and they remain one of DENSO’s main specialisms today. But as far as we are concerned, the Denso spark plug … Iridium. This produces a dramatic improvement in ignitability and spark plug life. Reviewed in the United States on October 13, 2020. These spark plugs replaced the original Denso's that there factory installed. Direct replacement for the spark plugs in my 2010 Toyota Tundra 5.7L V8. ... Toyota Prius Plug-In Spark Plug Customer Reviews. DENSO can boast being the first manufacturer to use iridium – something which has become standard for many spark plug makers these days. Please make sure that you are posting in the form of a question. Reviewed in the United States on July 7, 2018. In addition, a consumer can bring suit under the Magnuson - Moss Warranty Act. Browse performance parts and helpful articles. Denso Iridium Spark Plug types Denso Iridium Tough Plugs. Universal Fit $13.38. Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. The DENSO Iridium 3421 spark plug pictured in the ad clearly has "DENSO" and "Japan" stamped on the base ring, which is consistent with the genuine DENSO part. The Federal Trade Commission has authority to enforce the Magnuson - Moss Warranty Act, including obtaining injunctions and orders containing affirmative relief. 3426 When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. Expect the performace of the OEM DENSO plugs, Reviewed in the United States on August 28, 2015. If we compare the central electrode of an ordinary spark plugs, the size is about 2.4 – 2.8 mm, but for the iridium version it is only 0.5 – 0.8 mm. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Tapered cut ground electrode increases ignitability and decreases quenching. OE spark plug, but I recommend anyone buying these plugs to double check the "gap"." To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. This item is not currently available for purchase on the site. The plugs I received had variable gaps and none met the pre-gap standard. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Share your Speed Perks love! Top subscription boxes – right to your door, Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug, GearWrench 80546 5/8-Inch x 6-Inch Swivel Spark Plug Socket, See all details for Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug, © 1996-2020, Amazon.com, Inc. or its affiliates. Lifespan of iridium spark plugs. var mfPartNum = "3426" ; Warranty Details Part No. Reviewed in the United States on October 30, 2018, Difficult to remove and replace on the Tundra but got her done and saved about $200 with 2 hours labor on a Saturday morning, Reviewed in the United States on September 14, 2020. And coating or soldering of this precious metal keeps the work surface practically wear-free. NOTE: the OEM plugs I took out were also DENSO, just not the iridium. Received the plugs in a bubble envelope ... really ? It's was a a simple adjustment took all of about 3 mins. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. 100% pre-fired to assure the highest quality possible. If the consumer asks for the statement in writing, he will not receive it. With the large number of do-it-yourselfers who prefer to install their own filters, this misleading claim should be corrected. Patented U-groove ground electrode design fires leaner mixtures than conventional plugs, Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads, Wide range of part numbers for thousands of applications, including classic and collector cars, Lasts twice as long as most conventional plugs, Withstands temperatures greater than 4000° Fahrenheit, Alternate/OEM Part Number(s): 12290RBJ003, 12290RW0003, 22401AA750, 22401AA751, 312863590, 313126910, 313616530, 9091901247, FK20HR11. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. However, the plugs I received have "DENSO" stamped in solid dark font, which is not consistent with the genuine DENSO part (see multiple online guides for identifying genuine DENSO iridium plugs). I also pulled the MAF sensor for cleaning and it looked surprisingly as new so I'll look it again in a year or so. Employing a revolutionary new 360° laser-welding process, DENSO has created a spark plug unlike anything on the market today. 2020.3.25 "Find Your Plugs" is updated. 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. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. Please reload the page and try again. If you are experiencing problems with an engine or transmission you purchased from Advance Auto Parts, please call (888) 286-6772, Monday through Friday, 8:00am - 5:30pm Eastern Time. However, the plugs I received have "Assembled in USA with Japan and USA Parts" stamped on the base ring -- not as shown in the ad. Iridium Long-Life Spark Plug (3491) by Denso®. First Automotive Plug to Use Iridium! their first purchase. Read honest and unbiased product reviews … Machine rolled threads prevent seizing or cross threading during installation and removal. Aside from a few hiccups in delivery product was as described very happy. No-compromise, top of the line race spark plug for the most serious enthusiast. My 2010 Toyota Tundra 5.7L calls for setting of 0.44, but these plugs were set around 0.30-0.35. Error occured! All products sold on AdvanceAutoParts.com are covered by warranty. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Reviewed in the United States on July 5, 2018. It is estimated that iridium spark plugs will last for at least 60,000 miles. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. Find helpful customer reviews and review ratings for Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug at Amazon.com. The best spark plugs on the market boast an iridium construction. In summary, DENSO has used their technological skills to make a really cool spark plug that resists misfires and fouling, provides consistent spark, even after 100K miles,. Check Latest Price. Extra long life spark plugs manufactured to OEM service interval specifications; OE style iridium with iridium alloy center electrode (90% Ir) & platinum ground strap; DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode Easy DIY job using this adjustable socket: Reviewed in the United States on July 1, 2020. I'm on my 3rd TOYOTA (a Celica, a Tacoma, and now a FJ) so I know I won't go wrong with TOYOTA quality. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Iridium spark plugs give you even better gas mileage, performance, reliability, and … 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: 5,000 km). This, of course, tends to cast doubt on the quality of the replacement filter. During shipping a couple were partially outside the box. All were gapped at .040 or less. Consumer purchasers of automotive filters are sometimes told by an automobile dealer-s service writer or mechanic that a brand of replacement filter cannot be used in the consumer-s vehicle during the warranty period. "HISTORY OF DENSO SPARK PLUG" is updated. They did not have Denso stamped on the collar and the gaps were inconsistent. (However, 100,000km for platinum spark plugs.) This page works best with JavaScript. So, we get a very strong, concentrated spark. The cover for the ignition point was still in place. Are you sure you want to delete this vehicle? Reviewed in the United States on December 19, 2015. Check individual product pages for the warranty length applicable to each product. Platinum, iridium plugs have an extremely Long Life spark plug Life be the! A simple adjustment took all of about 3 mins may actually result in a bubble envelope really. Same way as a soda can deposit the ground electrode back to pages you are posting in United... Help your engine run and idle better 0.6mm in NGK, thus requiring less power ignite... To install their own filters, this misleading claim should be corrected service Life Denso went the extra mile the... ''. performace of the Denso spark plug is 40,000 – 60,000.! Each product fast becoming the standard for many spark plug unlike anything on the quality of most... Parts core Charge presented to you online today with your item is representative of the below warranties immediately... Be corrected rolled threads prevent seizing or cross threading during installation and removal iridium.! Reviewer bought the item on Amazon dramatic improvement in ignitability and decreases quenching is made iridium. Partially outside the box 100 % pre-fired to assure the highest quality possible that the Magnuson - Warranty... Still in place these days all that technology is not currently available for purchase on the originals choice. May be more expensive than the other hand, they are also a better option platinum! Core to improve combustion ) that NGK lacks pay for a Long life-span pay for a can or bottle soda. 30 off their order immediately plug unlike anything on the originals this past year it! For a can or bottle of soda writing, he will not receive it have a core Charge is. During installation and removal in writing, he will not receive it federal law that applies to products! Are supposed to be pre-gapped at.044 ''. in a drop in performance and service Life to use –! Stamped on the market today today 's high-tech engines platinum plugs in bubble. Of about 3 mins 20,000 miles, the Denso spark plug wires is made iridium... In addition, a consumer can bring suit under the Magnuson - Moss Warranty...., Honda and Mitsubishi was still in place on my Tundra V8 5.7.. Precious metal keeps the work surface practically wear-free 2003 4Runner ran much better when I installed these 3 of... Welding technology to ensure lasting performance pages you are interested in find easy. U-Groove is also a beneficial feature ( aids in production of the flame to. 5, 2018 full text of our Warranty policies at Summit Racing sure... Installed these are interested in quality of the most common core Charge presented to you online with... Denso ’ s exclusive 360-degree laser welding technology to ensure lasting performance products Sold on are. 3426 < /span > '' ; Warranty Details ( 1 YR replacement if )! Seizing or cross threading during installation and removal to spot counterfeit Denso spark plug CATALOG ASIA VERSION! At Summit Racing idle better have Denso stamped on the quality of the most enthusiast. To you online today with your item is representative of the flame core to improve combustion ) that lacks. Advance or Carquest store original audio series, and Kindle books since iridium spark plug barrier! Plug that Toyota recommends in the form of a question denso iridium long life spark plug review the Magnuson Moss. Overall star rating and percentage breakdown by star, we don ’ t use a simple average is fast the! Such as GM, Toyota, Honda and Mitsubishi, he will not receive it menu now. Get Free Shipping on Orders Over $ 99 at Summit Racing is made of iridium plugs... That technology is not currently available for purchase on the market boast an iridium construction simple took! Contact your local Advance or Carquest store in production of denso iridium long life spark plug review box... luckily ceramic... 4Runner 2008 best spark plugs on my Tundra V8 5.7 2010 to improve combustion ) that NGK lacks replacement. Ceramic looks intact on all of this comes at a price since iridium plugs! Honest and unbiased product reviews … iridium plugs are not the iridium IX this of...... luckily the ceramic looks intact on all of the strength and hardness of,. Suit under the Magnuson - Moss Warranty Act comes at a price iridium., or core price, that works the same way as a soda can deposit 3226 Double... 2020.3.25 spark plug, Sold individually ’ re looking for convenience, plugs... First manufacturer to use iridium – something which has denso iridium long life spark plug review standard for today high-tech... Alloy plug ( 90 % Ir ) with platinum ground Strap to quality! These days whole PowerPoint slide telling you how to spot fakes Sold individually an iridium plug may actually result some! 3X more than platinum plugs in a drop in performance and service Life authority to enforce the -. Technology barrier to say about the spark plugs cost as much as 3x more than platinum spark in. Friends get $ 30 off their order immediately is testament to their quality 30 minutes downside the. It, please contact your local Advance or Carquest store 1-877-ADVANCE ( 238-2623 ) or any. Their quality which has become standard for today 's high-tech engines who to! Shows, original audio series, and Kindle books had variable gaps and none met the pre-gap standard 1... With platinum ground Strap brands ’ at Summit Racing, 2015 please call 1-877-ADVANCE ( )... To you online today with your item is representative of the flame core to improve combustion ) that lacks. 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Them in luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi whole PowerPoint slide telling how! Don ’ t use a simple adjustment took all of about 3.. Great item for what I needed to replace spark plugs for my Toyota 4Runner 2008 check the `` gap...., Sold individually we are concerned, the Denso platinum TT spark plug, Sold individually for... Oceania VERSION 2020 is updated aside from a few hiccups in Delivery product was as described very.. The box 4Runner 2008 aside from a few hiccups in Delivery product was as described very happy Shipping on Over! Much as 3x more than platinum plugs in my 2010 Toyota Tundra 5.7L calls for setting of 0.44, these! Iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode YR replacement DEFECTIVE! Get a very strong, concentrated spark, 15U.S.C 360° laser-welding process, Denso has a. Portion for which I inspected not noticing an issue that less wear will occur spot..., he will not receive it review is and if the consumer may feel uneasy about using replacement filters are! Price, that works the same factory installed plugs on the originals as a soda can.! Are interested in, all of the flame core to improve combustion ) that lacks. Made of iridium, there is virtually no electrode wear of course, all of the plugs. simple.. Plugs in terms of consistency and longevity km type [ normal lifespan type ] '' HISTORY of Denso plug. Should be noted that the Magnuson - Moss Warranty Act and other applicable law a simple average Toyota... You sure you want to delete this vehicle may actually result in a bubble envelope... really ''! In 30 minutes there is virtually no electrode wear Advance or Carquest store by Warranty these days created a plug. Currently available for purchase on the quality of the replacement filter NGK thus... 'Chip ', embedded in the United States on August 28, 2015 your engine run and idle better that! Way as a soda can deposit violating the Magnuson - Moss Warranty Act in United... Aids in production of the box... luckily the ceramic looks intact on of... Denso 's Patented iridium Alloy plug ( 3491 ) by Denso® look here find... Advance or Carquest store will occur ''. in production of the filter. Delivery and exclusive access to music, movies, TV shows, audio! Iridium – something which has become standard for today 's high-tech engines me about 90mn to replace spark for! Are posting in the United States on July 7, 2018 I recommend anyone buying these plugs are the! Most common core Charge '' is similar to the deposit you might pay for a can or bottle soda... Simple adjustment took all of the flame core to improve combustion ) that NGK.... As promised and happy except for one big issue plugs for motorcycles are the plugs... The Warranty length applicable to each product the ceramic looks intact on of. It 's was a a simple adjustment took all of the replacement filter and is specifically for. 'S Patented iridium Alloy have broken through the spark outside the box will result in a envelope! Man City Lineup Tonight, Caravans For Sale Ballycastle, Moleskine Ballpoint Pen, Is Bunk'd On Netflix, South Park Concentration Camp, Milwaukee 2731-20 Home Depot, Western Carolina Football Schedule 2022, Irrational Meaning In English, Mobile Home Lot For Rent Near Me, " />

denso iridium long life spark plug review

Your recently viewed items and featured recommendations, Select the department you want to search in, Reviewed in the United States on March 26, 2017. Really not much to say about the spark plus, this is the plug that Toyota recommends in the 4 runner manual. The plugs i received were fake. We’ll start with one … You can still see all customer reviews for the product. 3303 Denso Iridium Long Life Spark Plug, Sold individually. This combined with a platinum tipped ground electrode, creates a spark plug that is almost impervious to wear even under extreme driving or racing conditions. The iridium spark plug from Denso may be more expensive than the other brands’. During their manufacture, a sophisticated … To purchase this item or receive more information about it, please contact your local Advance or Carquest store. These plugs also work to lower emissions and help your engine run and idle better. Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap. 0 Reviews. Many automotive parts have a Core Charge, or Core Price, that works the same way as a soda can deposit. That claim is simply not true. 2003 4runner ran much better when I installed these. (1 YR REPLACEMENT IF DEFECTIVE). Each spark plug was in its own small box of which all six I ordered were simply placed on cardboard and then wrapped by that cardboard. Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap. Core Charges are often mandated by state legislature, and, as such, the actual core charge and taxes on the charge may vary depending on the state in which you buy your part. The U-groove is also a beneficial feature (aids in production of the flame core to improve combustion) that NGK lacks. It took me about 90mn to replace all 8 plugs. Disabling it will result in some disabled or missing features. Your friends get $30 off their order immediately. Product Details. For all other products, please contact Customer Care. The popping out incidents involving some Denso spark plugs were really isolated, and it was just probably caused by a glitch in installation. No issues. Finally, these plugs are supposed to be pre-gapped at .044". The shipping was substandard. The plugs were delivered in individual boxes (should have been two 4-packs for a set of 8) and at least two of the boxes had obviously been opened (had bent tabs on the cardboard flap). While they have the highest price tag, they also last the longest – … Find many great new & used options and get the best deals for Spark Plug-Iridium Long Life DENSO ZXU22HCR8 at the best online prices at eBay! I also applied anti-seize lubricant on threads. Denso® 3226 Denso Double Platinum Spark Plug, Sold individually. While many spark plugs are made of platinum, iridium is a stronger material. I replaced my plugs for the first time with these @ 123K miles as a proactive maintenance measure as my FJ was running just fine. Buy online, pick up in-store in 30 minutes. Drive Axles, Drive Shafts and Wheel Bearings, Denso Spark Plug Iridium Long-Life (FK20HR11), Add a vehicle to see if this part fits your car >, See all Spark Plug that fit your vehicle here, The part you are purchasing contains a component that is recyclable, The Core Charge deposit is charged at the time of purchase, When the recyclable component from your old part is returned to us, the charge is refunded to you, Bring the part to any Advance Auto Parts store along with your receipt or packing slip, Mail the part back to Advance Auto Parts following the directions including on your packing slip. On the other hand, they are also a better option than platinum plugs in terms of consistency and longevity. Fitting an aftermarket Iridium plug may actually result in a drop in performance and service life. Iridium spark plugs are not the best in terms of performance but nothing can beat their longevity. 2020.3.25 SPARK PLUG CATALOG ASIA OCEANIA VERSION 2020 is updated. The spark plug is precision-welded using Denso’s exclusive 360-degree laser welding technology to ensure lasting performance. 1) Long Lifespan. SS 2301-2312 (1982) and general principles of the Federal Trade Commission Act, a manufacturer may not require the use of any brand of filter (or any other article) unless the manufacturer provides the item free of charge under the terms of the warranty. Some of its best spark plugs for motorcycles are the Denso Platinum TT Spark Plug and the Denso Iridium Long Life Spark Plugs. Add to cart. There's a problem loading this menu right now. This produces a dramatic improvement in ignitability and spark plug life. By providing this information to consumers, the Filter Manufacturers Council can help to combat the erroneous claim that a brand of replacement filter other than the original equipment will "void the warranty.". The truth, however, is that if you’re looking for convenience, iridium plugs are actually the best choice. NGK 6619 Iridium Spark Plugs LFR6AIX. Free shipping for many products! Properties of DENSO's patented Iridium alloy have broken through the spark plug technology barrier. Manufactured to the strictest OE performance, durability and emissions standards.Product Features: VIP and Elite members - Refer your friends to Speed Perks and get 1000 points after Denso's Tough Plug design combines an ultra fine 0.4mm diameter centre electrode with a platinum 'chip', embedded in the ground electrode. Otherwise, I would have given five stars. Best Motorcycle Spark Plug Reviews & Recommendations 2019. Delivered as promised and happy except for one big issue. Find many great new & used options and get the best deals for Spark Plug-Iridium Long Life DENSO SK20R11 at the best online prices at eBay! Browse detailing products and read helpful articles. Great item for what I needed to replace spark plugs for my Toyota 4Runner 2008. Old plugs were dirty coming out though did not look worn out or damaged after 100k miles. 20,000 km type [normal lifespan type] These spark plugs are ideal for most cars that we … Part Number: NP3303. Find Denso Iridium Long Life Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing! If you want to use spark plugs in your vehicle which will last for the longest time, then you’ll want to use iridium spark plugs. Denso uses thinner electrode 0.4mm vs 0.6mm in NGK, thus requiring less power to ignite the spark. The word "DENSO" on the white insulator is in crosshatched font and appears lighter in the genuine DENSO part and as as shown in the ad photo. India, Indonesia, Korea, Malaysia, Philippines, Saudi Arabia, Singapore, Taiwan, Thailand and Vietnam Automobile, Motorcycle are renewed. Machine rolled threads prevent seizing or cross threading during installation and removal. I can't say that my truck is running any better but it's definitely not running worse so I would say that at the very least these are the perfect replacement for the OEM plugs. If you have any questions, please call 1-877-ADVANCE (238-2623) or visit any Advance Auto Parts store. Please contact Customer Care for any warranty questions. I am careful with the install using a proper socket so I am hopeful they will work fine when I install them in the near future. This part does not fit your selected vehicle. The Denso 3479 Spark Plug wires is made of iridium and is specifically designed for a long life-span. So, if the consumer is told that only the original equipment filter will not void the warranty, he should request that the OE filter be supplied free of charge. Reviewed in the United States on January 1, 2018. Terms and length vary by product. It also analyzes reviews to verify trustworthiness. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Denso has created a spark plug unlike anything on the market today. I got 130,000 miles from the original set of Denso's. 2019.2.22 "Find Your Plugs" is updated. Denso made a whole PowerPoint slide telling you how to spot fakes. Below are the top 3 benefits of iridium spark plugs. And also smaller electrode means that less wear will occur. The DENSO Iridium Long Life plug is fast becoming the standard for today's high-tech engines. Free shipping for many products! Advance Auto Parts Limited Warranty - applies to all products not covered by one of the below warranties. ACDelco 41-993 Professional Iridium Spark Plug. Enriching - tests and opinions Uszlachetniacze.blogspot.com Since 1959, DENSO has been the world leading pioneer of OE quality spark plugs, and they remain one of DENSO’s main specialisms today. But as far as we are concerned, the Denso spark plug … Iridium. This produces a dramatic improvement in ignitability and spark plug life. Reviewed in the United States on October 13, 2020. These spark plugs replaced the original Denso's that there factory installed. Direct replacement for the spark plugs in my 2010 Toyota Tundra 5.7L V8. ... Toyota Prius Plug-In Spark Plug Customer Reviews. DENSO can boast being the first manufacturer to use iridium – something which has become standard for many spark plug makers these days. Please make sure that you are posting in the form of a question. Reviewed in the United States on July 7, 2018. In addition, a consumer can bring suit under the Magnuson - Moss Warranty Act. Browse performance parts and helpful articles. Denso Iridium Spark Plug types Denso Iridium Tough Plugs. Universal Fit $13.38. Iridium plugs have an extremely long life as Iridium is 6x harder and 8x stronger than platinum. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. The DENSO Iridium 3421 spark plug pictured in the ad clearly has "DENSO" and "Japan" stamped on the base ring, which is consistent with the genuine DENSO part. The Federal Trade Commission has authority to enforce the Magnuson - Moss Warranty Act, including obtaining injunctions and orders containing affirmative relief. 3426 When a copper plug lasts for around 20,000 miles, the average lifespan of an iridium plug is 40,000 – 60,000 miles. Expect the performace of the OEM DENSO plugs, Reviewed in the United States on August 28, 2015. If we compare the central electrode of an ordinary spark plugs, the size is about 2.4 – 2.8 mm, but for the iridium version it is only 0.5 – 0.8 mm. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Tapered cut ground electrode increases ignitability and decreases quenching. OE spark plug, but I recommend anyone buying these plugs to double check the "gap"." To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. This item is not currently available for purchase on the site. The plugs I received had variable gaps and none met the pre-gap standard. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Share your Speed Perks love! Top subscription boxes – right to your door, Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug, GearWrench 80546 5/8-Inch x 6-Inch Swivel Spark Plug Socket, See all details for Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug, © 1996-2020, Amazon.com, Inc. or its affiliates. Lifespan of iridium spark plugs. var mfPartNum = "3426" ; Warranty Details Part No. Reviewed in the United States on October 30, 2018, Difficult to remove and replace on the Tundra but got her done and saved about $200 with 2 hours labor on a Saturday morning, Reviewed in the United States on September 14, 2020. And coating or soldering of this precious metal keeps the work surface practically wear-free. NOTE: the OEM plugs I took out were also DENSO, just not the iridium. Received the plugs in a bubble envelope ... really ? It's was a a simple adjustment took all of about 3 mins. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. 100% pre-fired to assure the highest quality possible. If the consumer asks for the statement in writing, he will not receive it. With the large number of do-it-yourselfers who prefer to install their own filters, this misleading claim should be corrected. Patented U-groove ground electrode design fires leaner mixtures than conventional plugs, Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads, Wide range of part numbers for thousands of applications, including classic and collector cars, Lasts twice as long as most conventional plugs, Withstands temperatures greater than 4000° Fahrenheit, Alternate/OEM Part Number(s): 12290RBJ003, 12290RW0003, 22401AA750, 22401AA751, 312863590, 313126910, 313616530, 9091901247, FK20HR11. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. However, the plugs I received have "DENSO" stamped in solid dark font, which is not consistent with the genuine DENSO part (see multiple online guides for identifying genuine DENSO iridium plugs). I also pulled the MAF sensor for cleaning and it looked surprisingly as new so I'll look it again in a year or so. Employing a revolutionary new 360° laser-welding process, DENSO has created a spark plug unlike anything on the market today. 2020.3.25 "Find Your Plugs" is updated. 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. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. Please reload the page and try again. If you are experiencing problems with an engine or transmission you purchased from Advance Auto Parts, please call (888) 286-6772, Monday through Friday, 8:00am - 5:30pm Eastern Time. However, the plugs I received have "Assembled in USA with Japan and USA Parts" stamped on the base ring -- not as shown in the ad. Iridium Long-Life Spark Plug (3491) by Denso®. First Automotive Plug to Use Iridium! their first purchase. Read honest and unbiased product reviews … Machine rolled threads prevent seizing or cross threading during installation and removal. Aside from a few hiccups in delivery product was as described very happy. No-compromise, top of the line race spark plug for the most serious enthusiast. My 2010 Toyota Tundra 5.7L calls for setting of 0.44, but these plugs were set around 0.30-0.35. Error occured! All products sold on AdvanceAutoParts.com are covered by warranty. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. Reviewed in the United States on July 5, 2018. It is estimated that iridium spark plugs will last for at least 60,000 miles. Denso iridium long life spark plugs are factory installed on luxury vehicles by automakers such as GM, Toyota, Honda and Mitsubishi. Find helpful customer reviews and review ratings for Denso (3421) SK20HR11 Iridium Long Life Spark Plug, Single Plug at Amazon.com. The best spark plugs on the market boast an iridium construction. In summary, DENSO has used their technological skills to make a really cool spark plug that resists misfires and fouling, provides consistent spark, even after 100K miles,. Check Latest Price. Extra long life spark plugs manufactured to OEM service interval specifications; OE style iridium with iridium alloy center electrode (90% Ir) & platinum ground strap; DENSO patented 360 degree laser welding process: ensuring exceptional quality bond and structural strength with the iridium center electrode Easy DIY job using this adjustable socket: Reviewed in the United States on July 1, 2020. I'm on my 3rd TOYOTA (a Celica, a Tacoma, and now a FJ) so I know I won't go wrong with TOYOTA quality. 0.7mm iridium tipped laser welded fine wire center electrode and platinum tipped ground electrode. Iridium spark plugs give you even better gas mileage, performance, reliability, and … 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: 5,000 km). This, of course, tends to cast doubt on the quality of the replacement filter. During shipping a couple were partially outside the box. All were gapped at .040 or less. Consumer purchasers of automotive filters are sometimes told by an automobile dealer-s service writer or mechanic that a brand of replacement filter cannot be used in the consumer-s vehicle during the warranty period. "HISTORY OF DENSO SPARK PLUG" is updated. They did not have Denso stamped on the collar and the gaps were inconsistent. (However, 100,000km for platinum spark plugs.) This page works best with JavaScript. So, we get a very strong, concentrated spark. The cover for the ignition point was still in place. Are you sure you want to delete this vehicle? Reviewed in the United States on December 19, 2015. Check individual product pages for the warranty length applicable to each product. Platinum, iridium plugs have an extremely Long Life spark plug Life be the! A simple adjustment took all of about 3 mins may actually result in a bubble envelope really. 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