By the way I stumbled across this thread looking for a cross reference from a AC Plug to an NGK.....I've been running AC-R45 for about 5 or 6 years and it's time for new plugs Click to expand... Joe look at it like this, if you have a (stock) 250hp 350ci engine and rebuild it to be 325hp you should probably drop the heat range to the next colder plug from what you were using. The heat rating ranges from two, indicating the hottest value, to 12, the coldest value. From the old to the new and even the nonautomotive, ACDelco has spark plugs to fit just about Sparkplug cross reference between Autolite Racing, AC Delco, Champion and NGK. Bosch indicates the heat range in the middle of the plug number. Examples have been provided below for some of the brands we supply. . . For example, FR6DC+ has a heat range of 6. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. For NGK Racing Plugs, the heat range is located AFTER the hyphen. Resilient and reliable, our spark plugs are designed to withstand the harsh elements of the engine. Pulstar indicates the heat range by the number "1" or "2" in the plug number. Typically, the heat range is indicated within the manufacturer's part number for each plug. . . . Always refer to catalogue data to select the recommended product for specific engines. . . FOR ANY MODIFIED APPLICATIONS, PLEASE CONTACT OUR … Once you have decided on a number, test to see if it exists by typing it into the search box. Heat Range: 3 Additional Details More Information Brand ACDelco Cross Reference MERCURY MARINE 33-862029 CRUSADER MARINE 7243030 R030008A NGK TR5 … Pulstar heat range 1 is comparable to NGK heat ranges 4-7, Denso heat ranges 14-22 and Champion heat ranges 7-16. The spark plug is what started it all for ACDelco. Spark Plugs The kind of firepower you expect from ACDelco. A low heat range or hot spark plug has a long, thin insulator nose that heats up easily but does not dissipate the heat to the metal shell readily However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. We also share information about your use of our site with our advertising and analytics partners. Autolite's numbering system does not have a standardized heat range identifier. For additional assistance contact our tech team at 888-800-9629. Not intimately familiar with the Accell numbering scheme, but you should probably be able to figure out which one would be close in terms of heat range… Champion plugs are hotter the higher the number, colder the lower the number. So 4 is a notch or two colder than stock. I have not sent my rebate in yet but don't see why a A "stock heat range" plug would be a 5 or 6 (higher is hotter). . Spark Plug Heat Range Cross Reference Use this handy chart to determine the best spark plug for your heat range selection, or cross reference the racing spark plug you are currently using to try a different brand of spark plug. . For example, R6120-85 has a 8.5 heat range and R6120-105 has a 10.5 heat range. CAUTION (1) This comparison chart does not guarantee capability with any vehicle. . Visit our site for coupons A colder plug would be # R5671A-11 (heat range 11), a hotter plug would be # R5671A-9 (heat range 9). E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. Starting with part # RCJ7Y (heat range 7), a colder plug would be # RCJ6Y (heat range 6), a hotter plug would be # RCJ8Y (heat range 8). (The 6 at the end of this part indicates the gap setting.) . Denso indicates the heat range in the middle of the plug number. Pulstar heat range 2 is comparable to NGK heat ranges 8-9, Denso heat ranges 24-27 and Champion heat ranges 4-6/59-63. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. At this time the colder Pulstar heat range 2 is available in 3 designs. Denso Iridium Power plugs feature the heat range at the end of the part number. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. NGK plugs are colder the higher the number, hotter the lower the number. NGK indicates the heat range in the middle of the plug number. THIS CROSS REFERENCE Typically, the heat range is indicated within the manufacturer's part number for each plug. For example, take the 254x plug series. . Determining correct spark plug heat double platinum spark plugs unled acdelco spark plugs ue 2004 1Spark Plug Cross Reference Heat Range ChartHeat Range Conversion ChartAc Delco Spark Plug Heat Range Chart LasvegCant Find Ac Plug Heat Range Chart Hot Rod ForumSpark Plug Cross Reference Heat Range ChartAc Delco Spark Plug Heat Range Chart LasvegAutolite Racing … 136 replacement spark plugs for AC Delco FR3LS. For example, IK20 has a heat range of 20. 2544 is the coldest plug in that plug family, and 2546 is the hotest. At this time the colder Pulstar heat range 2 is available in 3 designs, BE-2HT8 and HE-2HT10 and SE-2T8 . We use cookies to personalise ads and to analyse our traffic. Get product details, choose a store, and get directions. Autolite Racing AC Delco Champion NGK NGK Stock Number AR12 40TS RV9YC R5674-7 5034 AR13 RV9YC R5674-6 4449 AR23 Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Be the first to know about sales and promotions. Part Finder Your auto parts, All makes and models. The number at the end of the part indicates the gap. We use cookies to personalise ads and to … Once you have decided on a number, test to see if it exists by typing it into the search box. AC Delco 45 NGK B4 AC Delco 46 NGK B4 AC Delco 12556183 NGK PTR5C-13 AC Delco 40TS NGK R5674-7 AC Delco 41-101 NGK ITR4A-15 AC Delco 41-2XLS NGK BPR7ES AC Delco 41-4XLS NGK BP6ES AC Delco … . Most parts stores have a cross referance chart. . . . Shop for ACDelco Spark Plug Part #: R44XLS for your vehicle. E3 does not have a standardized heat range identifier. A one-piece ceramic insulator. For example, BCPR6ES-11 has a heat range of 6. These are displayed as a 2 or 3 digit number after the hyphen. . 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Iridium Spark Plugs. Find a Battery Stockist Search for your local battery stockist! 0882 40TS. Example: R5671A-10 has a heat range of 10. . Starting with part # FR6DC+ (heat range 6), a colder plug would be # FR5DC+ (heat range 5), a hotter plug would be # FR7DC+ (heat range 7). Shop for ACDelco Rapidfire Platinum Spark Plug Part #: 4 for your vehicle. A colder plug would be #. EXCEPTION: NGK Racing Plugs: (Any NGK plug that begins with the letter “R”). . If they are, Autolite 3923 or 3924 and AC Fr3LS or Bosch 7557 may work if they are the heat range you need. . If it exists, you can add the part to your cart. Heat range is the speed at which a spark plug can transfer heat from the firing tip to the cylinder head water jacket and into the cooling system. . For example, RV15YC6 has a heat range of 15. See cross reference chart for AC Delco FR3LS and more than 80.000 other spark plugs. . Place your order online today and pick it up in store … Autolite indicates the heat range with the last digit of the part number. AC Delco 41-905 AC Delco 43TS AC Delco 45TS AC Delco CR43TS AC Delco CR43TSM AC Delco ... Any use of this cross reference is done at the installers risk. Examples have been provided below for some of the brands we supply. R5671A-11 (heat range 11), a hotter plug would be # R5671A-9 (heat range 9). 0272 41-910. . . Denso plugs get colder the higher the number, hotter the lower the number. The last digit in an Autolite part number represents the heat range within a plug family. . . Example: R5671A-10 has a heat range of 10. For additional assistance contact our tech team at 888-800-9629. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. . Effective on parts purchased April 1, … First, I want to let everyone know about a current AC Delco Rebate Promotion good for the entire 2014 year. . 180 SPARK PLUGS CROSS REFERENCE AC-DELCO ACCEL S/P 121XLS . If the heat … . . Find a Parts Stockist Search for your local part stockist! Cross Reference You can search for a DENSO spark plug based on the spark plug you are currently using. At this time the colder Pulstar heat range 2 is available in 3 designs, BE-2HT8 and HE-2HT10 and SE-2T8. . Starting with part # BKR6E-11 (heat range 6), a colder plug would # BKR7E-11 (heat range 7), a hotter plug would be # BKR5E-11 (heat range 5). . Now, with over 100 years of innovation behind each spark plug, you know you’re covered. The higher the number, the hotter the plug. . Huge range of parts, explore today! . The lower the number, the colder the plug. Spark plugs 2016 1 6l fiesta spark plugs bob is spark plugs heat advisory spark plug range choosing the right spark plugCant Find Ac Plug Heat Range Chart Hot Rod ForumSpark Plug Cross Reference Heat Range ChartSpark Plug Cross Reference Heat Range ChartAccel Copper Core Spark PlugsHeat Advisory Spark Plug Range And What You Need … Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. » New Competitive Cross Reference Search (The number after the “-“ is the gap.) See cross reference chart for AC Delco R44XLS and more than 80.000 other spark plugs. Starting with part # 24 (heat range 4), if you want a colder plug you would use part # 23 (heat range 3), for a hotter plug you would use part # 25 (heat range 5). Please use it for reference only. Get product details, choose a store, and get directions. . So 4 is a notch or two colder than stock. If it exists, you can add the part to your cart. For example, SK20PR-A11 has a heat range of 20. Most parts stores have a cross … Rebates range from .50 to 2.00/plug depending on plug purchased. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Champion indicates the heat range in the middle of the plug number. For example, 3923 has a heat range of 3. Enter a given manufacturer's part number to get the corresponding ACDelco part number. . Autolite spark plug heat range is generally indicated by the last digit of the part number. Autolite has 2544, 2545 and 2546 available. . Place your order online today and pick it up in store at your convenience. . Bosch plugs get hotter the higher the number, colder the lower the number. Product Cross Reference Buyer’s Guide Downloads Cross Reference Product Cross Reference Use Cross References as a guide only. Ac Delco Spark Plug Heat Inside the cylinder, spark plugs are subjected to severe conditions such as 25,000 volts or more of electricity, temperatures reaching 4,000 degrees Fahrenheit, and pressure up to 2,000 psi. Starting with part # IK20 (heat range 20), a colder plug would be # IK22, a hotter plug would be # IK16. Pulstar heat range 2 is comparable to NGK heat ranges 8-9, Denso heat ranges 24-27 and Champion heat ranges 4-6/59-63. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). BoschSparkPlugs.net is part of the SparkPlugs.com family - an authorized Bosch distributor. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 and Autolite 303 is a hotter plug than 2974. Inside the cylinder, spark plugs are subjected to severe conditions such as 25,000 volts or more of electricity, temperatures reaching Some NGK Racing Plugs are also available in half heat ranges. The spark plug is what started it all for us, and with over 100 years of innovation behind each spark plug, you know they're going to be great. . To contact Bosch USA, click here. Be the first to know about sales and promotions, The last digit in an Autolite part number represents the heat range. Choosing the right heat range is crucial for high performance engines. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Is comparable to NGK heat ranges 24-27 and Champion heat ranges 24-27 and Champion heat ranges 24-27 and heat! The hotter the lower the number after the hyphen Guide only a store, and get directions feature the range... Use Cross References as a Guide only alone a standardized comparison to other spark plug brands time the colder heat! 1 is comparable to NGK heat ranges 4-6/59-63 Search box - “ is gap. Choose a store, and get directions the hyphen colder pulstar heat range is located the! 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