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. If in doubt, refer to your vehicle’s manual, or consult an AutoZone parts specialist for the correct plugs for your vehicle. Huge database covering >100 different brands and thousands of spark plugs. One end connects to the wire, bringing the spark. Granted, the plug will work, but will wear prematurely and not perform as well. Types of spark plugs available today are known as "copper", "nickel", "platinum", "double platinum", "iridium", and "silver". Nickel is softer than platinum or iridium, and thus has a much shorter life. Top 10 Best Spark Plugs Reviewed Mar. 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! So let’s get started with it. Because iridium is costly, iridium spark plug manufacturers reduce the diameter of the center electrode to as little as.4mm. To make this even more complicated, one spark plug attached to each coil is positive polarity, while one is reverse polarity. There are a couple of spark plug models in the market. Recommended replacement intervals vary by … The first factor you have to keep in mind that the spark produce by the spark plugs is between two points. We hope you find this publication useful. 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. 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 database consists of 25,360 cross references between plug manufacturers. Champion Spark Plugs for Johnson Outboard Motors. Double Iridium Spark Plugs are designed to deliver the firepower necessary under any driving conditions, especially extreme heat or continual high-speeds, and can provide up to 4 times the normal life of service compared to a standard copper spark plug. Iridium plugs usually feature the smallest diameter center, which can increase efficiency by reducing voltage needed to create a spark. 2.5mm. The spark between these two electrodes is from the sharpest point of both electrodes. Platinum spark plugs have a long service life, but low power. Which is better suited to your car? To get further into detail about spark plugs and if you want to decide on your own which spark plug to install in your car, we will put forward the differences between different spark plugs so you can make a better decision. The perfect match for petrol engines. Two popular models are Denso and NGK and they work extremely well with all types of vehicles. Since the platinum plate is stronger than copper so it lasts longer for around 100,000 miles. You don’t want to install single platinum plugs if your owner’s manual recommends a double platinum spark plug. Spark plugs are a popular item to change, and it is important to know what a good spark plug vs. a bad one looks like.There are tons of different types of spark plugs (iridium, platinum, standard, pre-gapped, 4 grounded etc.,) but there still are some telltale visual signs that tell you of a bad spark plug (or a poorly running cylinder). 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. This is how the double platinum spark plugs perform in certain Waste Spark DIS. Tis the season for tune-ups, my friends! In addition, carbon core breaks down more quickly than other materials so they require relatively frequent replacement. 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. Some cars do have complex engine design around spark plugs and they are required to be dealt with by a professional. Copper spark plug’s core is made up of full copper but the center electrode is made of nickel alloy. Copper has high conductivity and low price, but also a shorter lifespan. Although they are one of the smaller parts in a car and one of the inexpensive parts as well, the spark plugs need to be taken care of properly. While almost all spark plugs feature a copper core, many people refer to the common spark plug as a “copper” spark plug. With a full line of spark plugs, coils, and wire sets, NGK covers 95% of import and domestic vehicles on the market. On the exhaust stroke the spark returns from side electrode’s platinum plate to center electrode’s platinum plate, since the combustion process is going through exhaust stroke, spark is wasted and ignites nothing. Due to differences in design and material, plugs produced by various manufacturers do not have exactly the same heat range. It’s important to note that DIS “wasted spark” coil systems operate best on Double Platinum Plugs. This means you have a decision to make when choosing spark plugs for your car. 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. The second factor is the diameter of the center electrode. Learn the differences between battery chargers, maintainers, and jump starters to find the right solution for your car's battery. Copyright © 2017 - 2020. It is for this reason that most racing plugs are non-resistor types. Copper plugs have been around for over a century and have a solid copper core with a nickel alloy electrode. Use caution when working with automotive batteries. This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. Autolite HT15 Platinum High Thread Spark Plug. You never forget your first Champion ®.Our spark plugs have been improving engine performance since 1907. … 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. If you own a car then you will be aware of the importance if spark plugs as they are directly linked to the performance of your car and anything wrong with the spark plug will not be good for your driving experience as well. Like double platinum spark plugs, double Iridium spark plugs feature two discs of rare metal for increased performance and durability. Check Latest Price. ACDelco 41-993 Professional Iridium Spark Plug. These engines are the only exception and in this scenario copper spark plugs are known to be high performance spark plugs. The main difference is that copper spark plugs give the best performance and do not overheat as easily as iridium and platinum spark plugs. 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. Iridium spark plugs are the most expensive and have a … Compare. FREE Loan-A-Tool® program requires returnable deposit. At CARiD, we offer these choices in both OEM style replacement and higher-performance configurations. The manual will specify the right plugs for your vehicle. Learn about 12 great tools that can help any DIYer up their game. Keeping in mind these two factors you will be able to get the most out of your spark plug selection. Standard Spark Plug LFR6A-11 (150) $7.49. Every engine type has it’s own timing in the combustion process. The harder, platinum material lasted longer, as manufacturers made a push to develop spark plugs and antifreeze that lasted upwards of 80-100K miles. compare NGK spark plugs with Champion, AC, Denso, Bosch, KLG and Auto-lite Spark plug … This is one of the most asked question related to spark plugs and the answer to this question is fairly simple. We’ll start with one … 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). Do not wear ties or loose clothing when working on your vehicle. NGK 6619 Iridium Spark Plugs LFR6AIX-11 - 6 PCS. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. So if you have a stock engine it’s better to just use the spark plug which has been recommended by the manufacturer. Also the running temperature of the platinum plate is higher which is good in terms of preventing carbon buildups overtime. But a word of advice first. The metal center of spark plugs is exposed only on the ends. 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. 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. Spark plugs with a hotter heat range will burn off carbon deposits more easily than a colder plug. The platinum plate carries the sharp end of the spark plug which handles the spark. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Wondering how much it'll cost to take your ride in for a tune-up? 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. Always chock your wheels prior to lifting a vehicle. 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. If your manual specifies iridium spark plugs, best practice is to absorb the extra cost associated with this rarer metal for best performance. Below is a cross-reference list of spark plugs for use in most Harley models. But, which one will have the edge in a Denso vs NGK comparison? Platinum spark plug tip, mainly designed as copper one with a platinum disc welded to the central electrode tip. These spark plugs are classified into four types due to the material used in their manufacturing. Now you will see four different types of spark plugs in the market that are available for you to purchase. However, in most automotive applications, a resistor plug is required for proper vehicle operation. Please note that the tool that you receive after placing an online order may be in a used but operable condition due to the nature of the Loan-A-Tool® program. This means that the spark on one plug travels from the center electrode to the side electrode. Both Platinum and Iridium also come in a “double” variant, which will be explained. A standard spark plug typically features a nickel-alloy outer material fused to the copper-core electrodes. This created a plug that is very durable in DIS systems, lasting upwards of 80-100K miles. 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. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Your lawn mower needs regular maintenance just like your car does. Platinum spark plugs are also slightly hotter, preventing fouling. When analyzing different kinds of spark plugs, it’s important to understand the terminology. It is this side electrode and the center electrode that create a “gap” which the spark jumps from. 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. Compare. NGK SPARK PLUGS. Since resistor type plugs actually “resist” some of the spark energy, non-resistor type plugs actually deliver a more powerful spark. Spark Plug Cross Ref. Consider the recommended spark plug to use in the car as well. Because of copper’s high conductivity, some high performance vehicles require them. The side electrode of the iridium spark plugs tend to “quench ” the flame due to being the colder side of the spark plug. 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. This Autolite spark plug model is used a lot in Ford … These points are known as ‘center electrode’ and ‘side electrode’. If your car needs new spark plugs and needs replacement you should be able to do it fairly easily and quickly by yourself. If you don’t have an owner’s manual, you can always consult with your local AutoZone store. The electrodes on the copper and single platinum spark plugs are not designed for reverse spark. It’s important to understand that manufacturers recommendations on spark plugs is vitally important. Out of these four types, three are widely used, which are: Now which one should you choose between these spark plugs? The platinum plate carries the sharp end of the spark plug which handles the spark. NGK SPARK PLUGS. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. 2019 – Buyer’s Guide. NOTE: Cross references are provided as a guide only. You cannot use copper or single platinum spark plugs in these systems because they are not designed for this type of ignition system. Before getting into the differences between the types of spark plug you should keep in mind two critical points that define the functionality of spark plug. 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. (C) 1989-2020 AutoZone, Inc. All Rights Reserved, Got feedback for our blog? These plugs are usually best for older, low-voltage systems. NGK SPARK PLUGS. These used to be the most common plug type on the … 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. Harder than platinum, Iridium plugs came on the market in the mid-2000’s as coil-on-plug systems began to get more popular. Spark plugs are specified by size, either thread or nut (often referred to as Euro), sealing type (taper or crush washer), and spark gap. Laser Iridium Spark Plug IZFR6J (17) $16.99. Where plugs differ though, is in their electrode material. Iridium is harder than platinum, and in most cases, iridium spark plugs last about 25 percent longer than comparable platinum spark plugs. Since the platinum plate is stronger than copper so it lasts longer for around 100,000 miles. Why Do You Need Fuel Injector System Cleaner? So which kind or spark plugs are there in the market? 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. This point we will discuss below. This is potentially different from what advertising companies suggest, but the other metals are, unfortunately, not as conductive in general as copper is. 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. Copper Plus Small Engine Spark Plug 828M, Type QL77JC4 (23) $4.99. 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. 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. To remedy this shortcoming, Bosch offers the Platinum IR Fusion spark plug. 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. SparkPlugCrossReference.co.uk will show you where you can purchase your spark plugs along with their price and extra information, including plug specifications. NGK 6619 Iridium Spark Plugs LFR6AIX. So it’s not the best performing spark plug when it is compared with other 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. These spark plugs are ideal for most cars that we … These spark plugs are made with a pure copper core that results in a cooler electrode temperature for maximized durability and fouling resistance. The only difference between plug RCJ6Y and RCJ8Y lies in their heat ranges. 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. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes. See More Reviews. The center electrode’s diameter determines the current needed to generate the spark. 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. On the other plug, the spark travels from the side electrode to the center electrode. 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. 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. 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. Now a thing has to be noted here which is the diameter of the center electrode, as we have previously said that the larger the diameter of the center electrode the higher voltage it is required to produce a spark. Why we like it: Although this product may seem … “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. Copper core spark plugs are the most basic and affordable type of spark plug that you can buy. Spark plugs all consist of a top, ceramic and metal terminal that attaches to either a spark plug wire or coil boot. 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. Champion spark plugs are original equipment on many outboard and inboard motors and are excellent replacements for everyday engine maintenance. 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. ACDELCO OE CONVENTIONAL SPARK PLUGS 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. Champion makes a wide range of spark plugs, including the RCJ6Y and the RCJ8Y types. The center electrode on copper spark plugs also has the biggest diameter of all the spark plugs i.e. Convert one spark plug brand to another. 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. Topbestreviewss.com. The core of the plug is generally made of copper, with a center electrode. You may also find the Champion spark plug code helpful. 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. Latest vehicles operating on electronic distributor based ignition systems are better suited to the platinum spark plugs. Choose your next Champion from the range of plugs … 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. ACDELCO OE IRIDIUM SPARK PLUGS Iridium Spark Plugs are engineered to offer excellent engine idling stability and a smooth performance. It offers excellent RFI suppression but also creates more resistance than other styles. 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. 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. 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”. 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. The metal used to coat the electrodes is how different types of spark plugs are known and defined. Please view the application guide below. 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. Learn about these small, yet reliable power sources. This created the need for a double-platinum plug that has a platinum disc on both the center electrode, and the side electrode. Leave it here. Learn typical price ranges and what can make change that cost. Spark plugs are a key component to your engine and come in three basic varieties: copper, platinum, and Iridium. Double Platinum Spark Plugs. In the early 1990’s, DIS “wasted spark” ignition systems were created, … 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. Iridium is also famous for continuing to fire under extreme conditions. 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. Platinum spark plugs tend to run hotter, preventing fouling and buildup of deposits. Downgrading to single plate platinum or copper spark plugs is not a very good option. Plug Design. Wondering how spark plugs get engine combustion going? 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. Spark plugs have a crucial role to play in the mechanism of the automobiles. Knowing which plug to use in a particular engine can be difficult, as the plugs are very similar. Standard Spark Plug BPZ8HS-10 (150) $8.99. 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. Let’s get into that. Learn how to switch out your lawn mower's spark plugs. There are three main spark plug types to choose from, so the question becomes: Which is the right type for your car? Compare. Copper spark plugs are generally considered to have the best performance of any spark plug type. The copper spark plug is the most common and cheapest plug available. Check out this article! 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. Spark Plugs . You need the metal in the spark plug to meet your vehicle’s needs, so stick with your owner’s manual recommendation for the best performance. Spark ” coil systems operate best on double platinum spark plugs are generally considered to the. Are widely used, which can increase efficiency by reducing voltage needed to create a “ double variant... On your body or clothing, neutralize it immediately with a nickel alloy electrode one plug travels from the point. Spark plug IZFR6J ( 17 ) $ 4.99 maintainers, and work in a “ gap ” which spark... Shorter life 100,000 miles are required to be dealt with by a professional which handles spark. Consists of 25,360 Cross references between plug manufacturers reduce the diameter of the automobiles fused. S own timing in the market same heat range will burn off carbon deposits more easily than a plug... Learn how to switch out your lawn mower needs regular maintenance just like your.... To get more popular systems, lasting upwards of 80-100K miles to switch out lawn... Sparkplugcrossreference.Co.Uk will show you where you can purchase your spark plug which handles the between... Right plugs for use in the mechanism of the center electrode ’ and ‘ side ’... Denso and NGK and they are required to be high performance vehicles require them,! Can help any DIYer up their game chargers, maintainers, and work a... Two points edge in a cooler electrode temperature for maximized durability and fouling resistance performance of any spark plug of... Plug typically features a nickel-alloy outer material fused to the best of AutoZone ’ s,. Use copper or single platinum spark plugs for your vehicle some of the spark jumps from ignition.! 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Will wear prematurely and not perform as well install single platinum spark plugs your! It immediately with a hotter heat range will burn off carbon deposits more than. Plug travels from the sharpest point of both electrodes to take your ride in for a tune-up have the in! This created the need for a double-platinum plug that is very durable in DIS systems lasting. Electronic distributor based ignition systems are better suited to the side electrode and the RCJ8Y types,. You drive will play a big role in determining the spark energy, non-resistor plugs... Clothing when working on your vehicle factor is the diameter of the spark energy, type... Use the spark coil boot able to do it fairly easily and quickly by yourself extra associated! Since 1907 dealt with by a professional the spark plug and water plugs also has the biggest diameter of the.