The second letter of the Champion spark plug code (in this case an “L”) indicates the thread size and reach of the spark plug. The P means the plug is a projected insulator type, and the R stands for resistor type. View full size version of NGK performance plug numbering chart. Understanding spark plug part numbers Choosing the correct spark plug is simple if you can read in code Back in the days when a 350hp 308 was an incredible achievement and no-one had even considered 600 pump fuel horsepower, spark plug selection was pretty much a … 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.. Before doing any small engine repair or maintenance, be sure to check your manual for recommendations on specific parts numbers and safety precautions. The job of the spark plugs that are a part of the system is to help ignite the air and fuel mixture located inside the combustion chamber. Generally speaking, a colder heat range is used under high temperature conditions such as racing, while a hotter heat range is used under colder climate conditions. Bosch Iridium Spark Plugs are engineered to deliver both high performance and long life, representing advanced OE spark plug technology. Our spark plug part finder will help you find the right spark plug for your petrol or LPG vehicle. There are three size spark plug threads currently being used in motorcycles and ATVs. “Z” indicates a 10 mm x 1.0 with a 1/2″ reach. The letters “IX” indicate an iridium center electrode. The cylinders are numbered and oriented differently depending on the make of the vehicle. Resistor type spark plugs reduce the amount of radio frequency interference (rfi) that can cause ignition misfires and static on the radio, if so equipped. Place your order online today and pick it up in store at your convenience. It does not list every available plug from the other manufacturers. The “P” indicates a projected tip spark plug design (1.5 mm projection) that moves the spark deeper into the combustion chamber. The letter “S” indicates a copper center core. The heat range of a spark plug is the range in which the plug works well thermally. Measurements are usually metric. Generally speaking, a colder heat range is used under high temperature conditions such as racing, while a hotter heat range is used under colder climate conditions. Below is Denso's spark plug part number decode. The “R” indicates a resistor type spark plug. An 8 should be gapped to .8 mm or .032″, 9 should be gapped to .9 mm or .035″, 10 should be gapped to 1.0 mm or .040″ and 11 should be gapped to 1.1 mm or .044″. Different manufacturers use similar coding, which makes it easier to interchange brands if need be. Get up to 32% off MSRP for all genuine Infiniti parts. The alternator is what keeps your car running and battery powered, but your spark plugs are components that help to get it going in the first place. The corresponding Champion stock number is 502 which is Champion spark plug D21. “A” indicates a 12 mm x 1.25 with a 3/4″ reach. The letters “P” or “V” would indicate a platinum electrode. NGK Spark Plug Numbering Systems Wondering what the numbers and letters on an NGK spark plug mean? The S indicates a conical seal type of firing end construction, and the 11 is the spark gap, in millimeters. The first letter of the NGK spark plug code (in this case a “D”) indicates the thread size of the spark plug. It is best to use the heat range specified by the manufacturer. “G” indicates a 10 mm x 1.0 with a 3/4″ reach. The letter “G” indicates a fine wire nickel alloy center electrode. The ultra-fine wire iridium center electrode pin delivers best performance. Leading in the automotive industry, NGK spark plugs are available for virtually every type of engine – cars, motorcycles, marine applications, small engines, and power tools. ALLMOST 2PCS Spark Plug Wire Set Compatible with Polaris Ranger 800 2011-2014 Spark Plug Wires 4012888 4012889 Ignition Parts Spark Plugs Non-Automotive Ignition Parts Ignition Coils Wire Sets Sensor Parts Position Sensors Pressure Sensors Speed Sensors Temperature Sensors Specialty Sensors Fluid Level Sensors Oxygen Sensors Air-Fuel Ratio Monitor Kits Non-Automotive Sensors Therefore, selection of a spark plug with a different code number is not recommended. Shop lowest-priced OEM Infiniti Spark Plugs at InfinitiPartsDeal.com. The letter “B” indicates two ground electrodes. The letter “K” in this location would indicate a 3/8″ hex (wrench) size. The spark plug could be the problem. The heat rating is a measure of the amount of heat dissipation. The letter “E” indicates the reach of the spark plug, that is, the length of the threads. The spark plug Cross references are for general reference only. The letter “V” indicates a fine wire gold palladium center electrode. There are three spark plug thread sizes currently being used in motorcycles and ATVs. The “P” indicates a projected tip spark plug design that moves the spark deeper into the combustion chamber. If you find it difficult to read, click on the code to open in a larger window. If there is no number at the end of the spark plug code, it should be gapped to .7 mm or .028″ unless specified differently by the vehicle manufacturer. Special Fasteners and Tightening Procedures. Note; Do not use a projected tip spark plug where it is not called for as it could contact the piston and cause catastrophic engine damage. 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. On the NGK coding chart, BC indicates a thread size of 10 to 14 millimeters and a hexagon size of between 16 and 20.8 millimeters. Resistor type spark plugs reduce the amount of radio frequency interference (rfi) that can cause ignition misfires and static on the radio, if so equipped. A -8 should be gapped to .8 mm or .032″, -9 should be gapped to .9 mm or .035″, -10 should be gapped to 1.0 mm or .040″ and -11 should be gapped to 1.1 mm or .044″. Part Number: DEI-010849 “N” indicates a 14 mm x 1.25 with a 3/4″ reach. Similarly the corresponding Denso stock number is 5002 and the plug number is M17. The letter “E” indicates the reach of the spark plug, that is, the length of the threads. Welcome, Guest. Get product details, choose a store, and get directions. The number at the end indicates the recommended spark plug gap in tenths of a millimeter. The letter “C” indicates a copper core. The F is for the metal shell casing size. Spark Plug Wire Markers, Plastic, Black, 8mm - 8.8mm Diameter, White Number Color, Set of 8. There are two size reaches currently being used in motorcycles and ATVs. Step 5 Did you miss your activation email ... For those of you who have always wondered what all the numbers and letters really mean... and were afraid to ask. Infiniti Spark Plug - Guaranteed Genuine … The AC Delco spark plug numbering system. “L” indicates a 14 mm x 1.25 pitch size with a 1/2″reach. The first step is removing the spark plug you want to look at. These NGK spark plug charts explain how NGK's numbering system works. The number (24 in this example) indicates the heat range of the spark plug, the higher the number the colder the heat range. There are three size spark plug threads and two reaches currently being used in motorcycles and ATVs. Using NGK spark plug codes as an example, the code numbers may be BCPR6ES-11 or PFR6A-11A. E3 Spark Plugs Power sports Spark Plug Each (E336) NGK BKR6E; Spark Plugs #6962 (4 Pack) Made By NGK. 8 Simple Ways You Can Make Your Workplace More LGBTQ+ Inclusive, Fact Check: “JFK Jr. Is Still Alive" and Other Unfounded Conspiracy Theories About the Late President’s Son. With a full line of spark plugs, coils, and wire sets, NGK covers 95% of import and domestic vehicles on the market. Any use of this cross reference is done at the installers risk. NGK (6962) Spark Plug - BKR6E, One Size. Jack's carries spark plugs for all your small engine needs. This item Genuine Polaris Part Number 3070172 - SPARK PLUG,BKR6E for Polaris ATV / Motorcycle / Snowmobile/ or Watercraft. The last digit in an Autolite part number represents the heat … The NGK spark plug finder helps find the right spark plug via the NGK spark plug codes. For this plug, the measurement is 14 millimeters by 19 millimeters with a hexagonal measurement of 16 millimeters. Measurements are usually metric. Champion RC12YC Spark Plug, Pack of 1. OEM Ford and Motorcraft® Spark Plugs ensure your vehicle runs just as designed without any issues. “F” indicates a 1/2″ reach, while “E” indicates a 3/4″ reach. Follow these instructions on how to remove a spark plug. If there is no number at the end of the spark plug code, it should be gapped to .7 mm or .028″ unless specified differently by the vehicle manufacturer. The letter “B” or “C” in this location indicates a spark plug designed for racing applications. The number 6 indicates the heat rating, which is mid-range on the scale. Spark Plugs are what gets your engine going and what ignites the gasoline. Here are the most common spark plug codes by brand. Spark plug codes tell a lot of useful information about the spark plug, however, each spark plug manufacturer uses different codes. Got a part number? Generally speaking, a colder heat range is used under high temperature conditions such as racing, while a hotter heat range is used under colder climate conditions. Spark plug heat range is the measure of how fast the spark plug tip dissipates combustion heat. Components of Modern Spark Plugs There are numerous spark plug designs available from online vendors, big discount stores and auto parts dealers. The letter “A” indicates some type of special feature. The first letter of the NGK spark plug code (in this case a “D”) indicates the thread size of the spark plug. “P” indicates a 12 mm x 1.25 with a 1/2″ reach. The number (82 in this case) indicates the heat range of the spark plug, the higher the number the hotter the heat range (opposite of NGK and ND spark plugs). The letters “GV” indicate a gold palladium center electrode. Note; Do not use a projected tip spark plug where it is not called for as it could contact the piston and cause catastrophic engine damage. Parts . The R is for resistor construction. Check for correct application and spec/measurements. Look at end of the spark plug that was in the cylinder and examine it. Spark Plugs . The letter “S” in this location indicates it is a standard (non-projected tip) type, while the letter “X” indicates a 2.5 mm projected tip. The number after the – indicates the recommended spark plug gap in tenths of a millimeter. Spark Plugs Part Finder. New spark plugs are an essential part of keeping your outdoor power equipment's engine running at its peak performance and efficiency levels. Find your part or other compatible parts from other brands. The “R” indicates a resistor type spark plug. Before doing any small engine repair or maintenance, be sure to check your manual for recommendations on specific parts numbers and safety precautions. Worn or fouled spark plugs result in frequent misfires, increased exhaust emissions, wasted gas and reduced power. Shop for NGK Laser Iridium Plug Number 97968 Laser Iridium Spark Plug Part #: 97968 for your vehicle. This applies to standard copper, platinum and Iridium power plugs. Autolite spark plug heat range is generally indicated by the last digit of the part number. Here is an example of the Champion basic spark plug code. The letter “P” indicates a platinum center electrode. The first number (8 in this example) indicates the heat range of the spark plug, the higher the number the colder the heat range. “B” indicates a 14 mm x 1.25 pitch size, “D” indicates a 12 mm x 1.25 size and “C” indicates a 10 mm x 1.0 size. The E is the thread reach, in this case, 19.0 millimeters. The U.S. Supreme Court: Who Are the Nine Justices on the Bench Today? A damaged or worn out spark plug can cause major engine damage if not properly serviced. Autolite's numbering system does not have a standardized heat range identifier. View full size version of NGK spark plug numbering chart. Shop replacement Spark Plugs online today. Iridium Spark Plugs . On the second example, the P means the plug is a platinum electrode type. There are three spark plug thread sizes currently being used in motorcycles and ATVs. proper spark plug would be selected for replacement in specific engine applications. Use a spark plug wrench with an extender. “B” indicates a 14 mm x 1.25 pitch size, “D” indicates a 12 mm x 1.25 size and “C” indicates a 10 mm x 1.0 size. Finding the Spark Plug on Your Engine Use the Spark Plug Gap Chart to Find the Right Replacement & Setting How To Gap Spark Plugs. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). NOAA Hurricane Forecast Maps Are Often Misinterpreted — Here's How to Read Them. Shop Scion FR-S Spark Plug. The letter “G” indicates a precious metal center electrode. On the NGK coding chart, BC indicates a thread size of 10 to 14 millimeters and a hexagon size of between 16 and 20.8 millimeters. Here is an example of their basic spark plug code. Shop ACDelco for Spark Plugs and Glow Plugs for your Chevy, Buick, GMC, Cadillac or non-GM car or truck, and for other auto parts solutions for your vehicle. The “-U” indicates that the ground electrode has a U groove made into it to provide a better initial flame kernel. Accessories . Choose your next Champion from … Plugs are listed alphabetically by NGK plug number. Locate the number one cylinder on the engine block by checking the repair manual's cylinder block numbering format. Our spark plug finder features all popular spark plugs from trusted brands including Denso, Bosch, Champion and NGK.. Remeber, if your vehicle is … Take the spark plug in your hand and begin looking at it for signs of damage. CEO Compensation and America's Growing Economic Divide. Here is an example of the Nippon Denso basic spark plug code. To read a spark plug and assess engine troubles, you first have to remove it. Please login or register. The letter “P” indicates a platinum center electrode. Where is Autolite? The heat rating of each NGK spark plug is indicated by a number; lower numbers indicate a hotter type, higher numbers indicate a colder type. Unlock the performance in your engine with Bosch Iridium Spark Plugs. Joe R. Logged 1979 10th Aniv 400/4spd 1980 Black SE 301NA 1980 Indy Turbo Pace 301T The 11 indicates the spark gap, and the A indicates this plug has no gasket. Again, the 6 represents the heat rating, and the A indicates the plug has a special design. 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