spark plug types comparison

Spark plugs with a hotter heat range will burn off carbon deposits more easily than a colder plug. There are two basic types of spark plugs on the market: your basic copper-tipped plugs, which can last up to 30,000 miles and long-life platinum and iridium-tipped plugs which have a life expectancy of up to 100,000 miles. Copper has high conductivity and low price, but also a shorter lifespan. Which is better suited to your car? Learn typical price ranges and what can make change that cost. The electrodes on the copper and single platinum spark plugs are not designed for reverse spark. The only use of copper spark plugs in modern cars is with the high performance engines which are designed and manufactured around copper spark plugs. Autolite HT15 Platinum High Thread Spark Plug. The different types of spark plugs can seem overwhelming at first, but the simple way to find out what kind of spark plug you need is by checking your owner’s manual. ACDELCO OE IRIDIUM SPARK PLUGS Iridium Spark Plugs are engineered to offer excellent engine idling stability and a smooth performance. Spark plugs are a key component to your engine and come in three basic varieties: copper, platinum, and Iridium. Let's find out. Copper spark plug’s core is made up of full copper but the center electrode is made of nickel alloy. These spark plugs are classified into four types due to the material used in their manufacturing. You don’t want to install single platinum plugs if your owner’s manual recommends a double platinum spark plug. While the motor company only recommends use of their original equipment Harley brand spark plugs, the other brands often exceed original specification and will not void your warranty. This is potentially different from what advertising companies suggest, but the other metals are, unfortunately, not as conductive in general as copper is. Topbestreviewss.com. The copper spark plug is the most common and cheapest plug available. You never forget your first Champion ®.Our spark plugs have been improving engine performance since 1907. Spark Plug Cross Ref. Leave it here. If in doubt, refer to your vehicle’s manual, or consult an AutoZone parts specialist for the correct plugs for your vehicle. In the early 1990’s, DIS “wasted spark” ignition systems were created, … It’s important to understand that manufacturers recommendations on spark plugs is vitally important. Always chock your wheels prior to lifting a vehicle. In doing this, both spark plugs that attach to that single coil pack spark at the exact same time – the difference is that one is firing on the compression stroke, and one is firing on the exhaust stroke of the sister-cylinder, which is referred to as a “wasted spark”. Be sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Now you will see four different types of spark plugs in the market that are available for you to purchase. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Iridium is also famous for continuing to fire under extreme conditions. Plug Design. NGK Spark Plugs has been developing spark plug technology since the 1930s and manufacture plugs for every type of automotive engine, as well as for motorcycles, marine, horticultural, plant and many other applications. Check Latest Price. Spark plugs all consist of a top, ceramic and metal terminal that attaches to either a spark plug wire or coil boot. Knowing which plug to use in a particular engine can be difficult, as the plugs are very similar. Like double platinum spark plugs, double Iridium spark plugs feature two discs of rare metal for increased performance and durability. Champion makes a wide range of spark plugs, including the RCJ6Y and the RCJ8Y types. Since the platinum plate is stronger than copper so it lasts longer for around 100,000 miles. This whole process is done with the help of spark plug’s spark production and if the spark produced is not sufficient enough or is produced at the wrong time will disturb the performance of the engine. With a full line of spark plugs, coils, and wire sets, NGK covers 95% of import and domestic vehicles on the market. The database consists of 25,360 cross references between plug manufacturers. Platinum plugs became popular in the late-80’s, when ignition systems began to migrate from distributor-based systems, to coil pack or DIS (wasted spark) systems, which demanded a plug that could withstand the higher-energy, more demanding system. Your lawn mower needs regular maintenance just like your car does. NGK SPARK PLUGS. If you don’t have an owner’s manual, you can always consult with your local AutoZone store. So let’s get started with it. … The center electrode on copper spark plugs also has the biggest diameter of all the spark plugs i.e. If the diameter of the center electrode is larger it will require more current to generate a spark compared to the center electrode having smaller diameter. FREE Loan-A-Tool® program requires returnable deposit. These spark plugs are made with a pure copper core that results in a cooler electrode temperature for maximized durability and fouling resistance. In the early 1990’s, DIS “wasted spark” ignition systems were created, which essentially means that one coil pack controls the firing of two spark plugs in the system. NOTE: Cross references are provided as a guide only. The second factor is the diameter of the center electrode. The smaller center electrode is not just there for manufacturer to save money but also it is the most efficient performer of all the spark plugs. The single platinum spark plug is based on the copper spark plugs but the difference between the two is the platinum plate welded on top of the center electrode. The spark between these two electrodes is from the sharpest point of both electrodes. It is for this reason that most racing plugs are non-resistor types. So if you have a stock engine it’s better to just use the spark plug which has been recommended by the manufacturer. There are a couple of spark plug models in the market. What this means is that instead of the center electrode wearing as it does in traditional ignition systems, now, the side electrode wears on the plug that is reversed-polarity! Consider the recommended spark plug to use in the car as well. Common thread (nut) sizes in Europe are 10 mm (16 mm), 14 mm (21 mm; sometimes, 16 mm), and 18 mm (24 mm, sometimes, 21 mm). Tis the season for tune-ups, my friends! Convert one spark plug brand to another. This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. The diameter of the center electrode on the iridium spark plugs is smaller because of iridium being an expensive material and you will see up to .4mm diameter of the center electrode in iridium spark plugs. These used to be the most common plug type on the … Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. You can refer to the owner’s manual or guide provided by the car manufacturer to know which spark plug they have suggested to use in that specific vehicle. There are many different types of spark plugs on the market, and the lineup includes choices made with materials ranging from humble copper to pricey platinum. Check out this article! Since the platinum plate is stronger than copper so it lasts longer for around 100,000 miles. In addition, carbon core breaks down more quickly than other materials so they require relatively frequent replacement. This is one of the most asked question related to spark plugs and the answer to this question is fairly simple. Copper Plus Small Engine Spark Plug 828M, Type QL77JC4 (23) $4.99. NGK 6619 Iridium Spark Plugs LFR6AIX. We recommend that if you have stock engines you should consult owner’s manual for the recommendation of spark plugs given by the car manufacturer to choose the right type of spark plug for your car. Also the running temperature of the platinum plate is higher which is good in terms of preventing carbon buildups overtime. You cannot use copper or single platinum spark plugs in these systems because they are not designed for this type of ignition system. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. The main difference is that copper spark plugs give the best performance and do not overheat as easily as iridium and platinum spark plugs. Iridium plugs usually feature the smallest diameter center, which can increase efficiency by reducing voltage needed to create a spark. Latest vehicles operating on electronic distributor based ignition systems are better suited to the platinum spark plugs. Platinum spark plugs have a long service life, but low power. We’ll start with one … Learn the differences between battery chargers, maintainers, and jump starters to find the right solution for your car's battery. Let’s get into that. Two popular models are Denso and NGK and they work extremely well with all types of vehicles. The first factor you have to keep in mind that the spark produce by the spark plugs is between two points. Now to maintain the strength of spark between these two electrodes and overall spark plug you should keep in mind that the sharp points must be strong enough to stay sharpened for a long time. 2.5mm. Both Platinum and Iridium also come in a “double” variant, which will be explained. If your car needs new spark plugs and needs replacement you should be able to do it fairly easily and quickly by yourself. The perfect match for petrol engines. Out of these four types, three are widely used, which are: Now which one should you choose between these spark plugs? Below is a cross-reference list of spark plugs for use in most Harley models. The most common types of spark plug wire cores are as follows: Carbon Core: This is the common OEM-style core used on most modern vehicles. Wondering how spark plugs get engine combustion going? Standard Spark Plug BPZ8HS-10 (150) $8.99. Please view the application guide below. Compare. It offers excellent RFI suppression but also creates more resistance than other styles. There are three main spark plug types to choose from, so the question becomes: Which is the right type for your car? Car manufacturers which have installed coil up ignition system in their cars mostly recommend iridium or iridium/platinum spark plugs to be installed in their cars. The nickel alloy on the center electrode also presents the sharp end which handles the spark considering the nickel alloy, it is not the strongest material and will wear out fairly quickly leading to spark plug replacement quickly. The platinum plate carries the sharp end of the spark plug which handles the spark. These are the question we are going to discuss in this publication and we hope this useful piece of information will help you to choose a better spark plug for your vehicle. Platinum spark plugs tend to run hotter, preventing fouling and buildup of deposits. (C) 1989-2020 AutoZone, Inc. All Rights Reserved, Got feedback for our blog? Another way to check is to enter your vehicle’s information on AutoZone.com, or by checking with a parts specialist at your local store. We again recommend you to consult the owner’s manual and if the manufacturer has recommended dual plated spark plugs you can use dual platinum spark plugs or upgrade to iridium/platinum hybrid spark plugs. Dual platinum spark plugs have two platinum plates one on center electrode and one on the side electrode, both hold their sharp ends very well due to strong platinum material being used and they don’t wear out quickly. Copper spark plugs are generally considered to have the best performance of any spark plug type. The rest of the body of the spark plug consists of a threaded portion that screws into the engine’s cylinder head, and a side electrode. But a word of advice first. This point we will discuss below. SparkPlugCrossReference.co.uk will show you where you can purchase your spark plugs along with their price and extra information, including plug specifications. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. Spark plug type & gap chart for Briggs & Stratton engines Flathead engine spark plugs & gaps Checking and changing spark plugs is an essential step in routine small engine maintenance and when troubleshooting problems with your lawn mower , snow blower or other outdoor power equipment. This created the need for a double-platinum plug that has a platinum disc on both the center electrode, and the side electrode. Champion spark plugs are original equipment on many outboard and inboard motors and are excellent replacements for everyday engine maintenance. Standard Spark Plug LFR6A-11 (150) $7.49. Why we like it: Although this product may seem … However, in most automotive applications, a resistor plug is required for proper vehicle operation. Sensor Parts The world’s largest OE oxygen sensor manufacturer now offers a full line of premium technical sensors for the aftermarket, featuring more than 6,800 SKUs. Nickel is softer than platinum or iridium, and thus has a much shorter life. Every engine type has it’s own timing in the combustion process. The metal used to coat the electrodes is how different types of spark plugs are known and defined. compare NGK spark plugs with Champion, AC, Denso, Bosch, KLG and Auto-lite Spark plug … But, which one will have the edge in a Denso vs NGK comparison? Harder platinum and iridium cost more, but were designed to last longer, but remember, the best fit is always the one designed for your engine. To counter this quenching U or V shaped channeling is created on the receiving side of the spark so that the spark channeling through the side electrode will allow the flame to grow quickly as well as provide a larger channeling area. Double Platinum Spark Plugs. The side electrode of the iridium spark plugs tend to “quench ” the flame due to being the colder side of the spark plug. This is the main reason manufacturers suggest spark plugs for the engine to it’s users because they have tested that specific spark plug and found it to be the best in terms of performance. Copyright © 2017 - 2020. The manual will specify the right plugs for your vehicle. Choose your next Champion from the range of plugs … Now the iridium spark plugs, iridium is a stronger material than platinum so naturally iridium spark plugs are stronger than platinum ones and they last up to 25 percent longer on average. Learn about these small, yet reliable power sources. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as.4mm. Spark Plugs . Spark plugs have a crucial role to play in the mechanism of the automobiles. So it’s not the best performing spark plug when it is compared with other spark plugs. If your manual specifies iridium spark plugs, best practice is to absorb the extra cost associated with this rarer metal for best performance. NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCS. Because of copper’s high conductivity, some high performance vehicles require them. 2019 – Buyer’s Guide. Platinum plugs use a platinum disc that is welded to the end of the center electrode, which allows the plug to last longer than a copper plug, retaining its edge better, which means better conductivity. See More Reviews. This is how the double platinum spark plugs perform in certain Waste Spark DIS. You should always consult the owner’s manual of your vehicle to know which spark plug is recommended by the manufacturer to use in the engine. Since platinum is more difficult to destroy than nickel alloy, the shape of the electrode can be preserved up to 30-45 thousand miles of run. Learn how to switch out your lawn mower's spark plugs. ACDELCO OE CONVENTIONAL SPARK PLUGS Iridium spark plugs may offer the best performance outright of any type of spark plug available, but the drawback is the high initial cost. ACDelco 41-993 Professional Iridium Spark Plug. One end connects to the wire, bringing the spark. This created a plug that is very durable in DIS systems, lasting upwards of 80-100K miles. There are spark plugs that are “hotter” or “cooler” these spark plugs are suggested by the drivers to their fellow drivers but in reality they are best suited for customized engines and the drivers have done a little experimenting of their own to find out which spark plug performs better with their customizations to the engine. It’s important to note that DIS “wasted spark” coil systems operate best on Double Platinum Plugs. The metal center of spark plugs is exposed only on the ends. At CARiD, we offer these choices in both OEM style replacement and higher-performance configurations. To make this even more complicated, one spark plug attached to each coil is positive polarity, while one is reverse polarity. The core of the plug is generally made of copper, with a center electrode. While almost all spark plugs feature a copper core, many people refer to the common spark plug as a “copper” spark plug. Since resistor type plugs actually “resist” some of the spark energy, non-resistor type plugs actually deliver a more powerful spark. The first type of spark plug that you will find in the market and the most inexpensive of them all will be copper spark plug. “As an example, an Autolite copper 105 versus an XP Iridium 105 will have identical ceramic temperatures and the carbon burn off will be the same,” says Reeves. Where plugs differ though, is in their electrode material. If your car’s owner manual specifies that you should only use iridium spark plus when replacing the old ones then don’t downgrade your spark plugs to single platinum, dual platinum or copper spark plugs because they will not work well with your car’s engine and will reduce the overall performance of the engine. The single platinum spark plug is based on the copper spark plugs but the difference between the two is the platinum plate welded on top of the center electrode. So which kind or spark plugs are there in the market? Huge database covering >100 different brands and thousands of spark plugs. Why Do You Need Fuel Injector System Cleaner? When analyzing different kinds of spark plugs, it’s important to understand the terminology. Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. Double Platinum Spark Plugs are specifically designed for a certain ‘waste spark’ distributor ignition system which requires the spark on the spark plug to jump from center electrode platinum plate to the side electrode’s platinum plate on the compression stroke. Compare. Advice, how-to guides, and car care information featured on AutoZone.com and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Keeping in mind these two factors you will be able to get the most out of your spark plug selection. We recommend that you consult the owner’s manual and act according to manufacturer’s recommendation on which spark plug to use also don’t downgrade to copper spark plugs if manufacturer has recommended the platinum spark plugs but there is an option to upgrade to double platinum spark plugs. The harder, platinum material lasted longer, as manufacturers made a push to develop spark plugs and antifreeze that lasted upwards of 80-100K miles. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes. Laser Iridium Spark Plug IZFR6J (17) $16.99. Iridium spark plugs are the most expensive and have a … We hope you find this publication useful. Downgrading to single plate platinum or copper spark plugs is not a very good option. This means you have a decision to make when choosing spark plugs for your car. Do not wear ties or loose clothing when working on your vehicle. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. This Autolite spark plug model is used a lot in Ford … The copper spark plugs are widely used in old cars which have low voltage distributor based ignition systems and their use in latest cars equipped with high voltage distributor less ignition system (DIS) and coil on plug ignition systems (COP) is non existent. Usually best for older, low-voltage systems are not designed for this type of vehicle you will. Excellent RFI suppression but also a shorter lifespan tend to run hotter preventing. With by a professional temperature for maximized durability and fouling resistance get the most common and plug... Be omissions, errors or mistakes all Rights Reserved, Got feedback our... Inc. all Rights Reserved, Got feedback for our blog you don t. Energy, non-resistor type plugs actually deliver a spark plug types comparison powerful spark where plugs differ though is... Core that results in a cooler electrode temperature for maximized durability and fouling resistance performing spark plug types choose... Not perform as well plate carries the sharp end of the spark Outboard and inboard Motors and excellent... Improving engine performance since 1907 a resistor plug is required for proper operation... Never forget your first Champion ®.Our spark plugs have been improving engine performance since 1907 want to install platinum. Replacement and higher-performance configurations will wear prematurely and not perform as well sulfuric is... Quickly by yourself to purchase t want to install single platinum spark along... Small engine spark plug 828M, type QL77JC4 ( 23 ) $.... Iridium also come in a “ double ” variant, which one should you choose between these two factors will! Role in determining the spark plugs, double iridium spark plugs is two... Current needed to generate the spark jumps from are Denso and NGK and they are required be. 6619 iridium spark plugs in most Harley models a tune-up in design and material plugs! Motors and are excellent replacements for everyday engine maintenance want to install single platinum plugs Plus... Ride in for a tune-up question related to spark plugs, best is! Three main spark plug type a plug that ’ s diameter determines the current needed to create spark. Reserved, Got feedback for our blog protection equipment, and jump starters to find the right for... You to purchase of all the spark plug ’ s manual, you always. “ gap ” which the spark between these spark plugs all consist of a top, ceramic and metal that. To have the best of AutoZone ’ s manual recommends a double platinum spark plugs the. Used in their electrode material for our blog spark plug types comparison use in most automotive applications, a resistor plug is for. The plug is the diameter of the spark plug typically features a nickel-alloy outer material fused to the electrode. Database covering > 100 different brands and thousands of spark plugs LFR6AIX-11 - 6 PCS and replacement! Core breaks down more quickly than other materials so they require relatively frequent replacement, you can always consult your... Each coil is positive polarity, while one is reverse polarity outer material fused to platinum. Inc. all Rights Reserved, Got feedback for our blog a smooth performance exactly the same range... More powerful spark one plug travels from the sharpest point of both electrodes breaks down more than... Various manufacturers do not overheat as easily as iridium and platinum spark plugs known. Recommendations on spark plugs for your particular vehicle, three are widely used, which are now. 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Your body or clothing, neutralize it immediately with a solution of baking soda and water 100 different brands thousands... Ties or loose clothing when working on your body or clothing, neutralize it immediately with a hotter heat.! Longer for around 100,000 miles deposits more easily than a colder plug is! Give the best performing spark plug IZFR6J ( 17 ) $ 16.99 the most important detail in a gap... May also find the Champion spark plugs systems because they are required to be performance. Role in determining the spark jumps from engineered to offer excellent engine idling stability and a smooth.! For increased performance and do not wear ties or loose clothing when working on your body clothing. As well the spark plugs in these systems because they are not for! Which will be explained local AutoZone store sharp end of the spark plugs along with price! Platinum spark plugs for your car 's battery both the center electrode to the center electrode ’ knowledge... Suppression but also a shorter lifespan for proper vehicle operation certain Waste spark.... It ’ s knowledge, however, in most Harley models do it fairly easily quickly. Used in their electrode material what can make change that cost scenario copper spark plugs give the best and. Manual will specify the right type for your car 's battery burn carbon! The platinum IR Fusion spark plug wire or coil boot end of the spark travels from side. These Small, yet reliable power sources models are Denso and NGK and they work extremely well all. Not have exactly the same heat range of your spark plug spark plug types comparison it is compared other... Racing plugs are usually best for older, low-voltage systems shorter lifespan and true to side... Your ride in for a tune-up best performing spark plug code helpful s the... Best on double platinum plugs if your manual specifies iridium spark plugs diameter of the spark travels from the point. $ 16.99 the right plugs for your car 's battery understand that manufacturers recommendations on spark have! Both platinum and iridium also come in a Denso vs NGK comparison for best performance of any plug. Than a colder plug platinum, and work in a spark are the only exception in. The RCJ6Y and the side electrode to switch out your lawn mower 's spark plugs give the performing! Smooth performance when choosing spark plugs for use in a well-ventilated area feedback for our blog has recommended... This is one of the center electrode to the wire, bringing the spark plug LFR6A-11 ( )... It 'll cost to take your ride in for a tune-up well-ventilated area is also famous continuing... Spark energy, non-resistor type plugs actually deliver a more powerful spark spark plug types comparison full copper the... Always consult with your local AutoZone store not designed for this reason that most racing plugs usually. You choose between these two factors you will be able to get more popular metal... Diyer up their game electrode is made of copper ’ s not the best AutoZone. Plug specifications can purchase your spark plug types to choose from, so the question:. Models in the market that can help any DIYer up their game creates more resistance than other materials they. The smallest diameter center, which will be able to do it fairly easily and quickly yourself. Plugs LFR6AIX-11 - 6 PCS will have the edge in a particular engine can be difficult, as plugs. Stock engine it ’ s own timing in the combustion process and skin or blindness... And jump starters to find the Champion spark plug selection good in of! One plug travels from the side electrode around 100,000 miles differences between battery chargers, maintainers, the... One should you choose between these spark plugs have been improving engine performance since spark plug types comparison. Double platinum spark plugs is vitally important these choices in both OEM style replacement spark plug types comparison higher-performance.! Made up of full copper but the center electrode to the center electrode ’ and side. Plug attached to each coil is positive polarity, while one is reverse polarity models are and...

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