(The number after the “-“ is the gap.) For example, take the 254x plug series. . . The lower the number, the colder the plug. 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). We use cookies to personalise ads and to … 2544 is the coldest plug in that plug family, and 2546 is the hotest. 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. So 4 is a notch or two colder than stock. 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. For NGK Racing Plugs, the heat range is located AFTER the hyphen. Visit our site for coupons Find a Parts Stockist Search for your local part stockist! . Examples have been provided below for some of the brands we supply. . Shop for ACDelco Spark Plug Part #: R44XLS for your vehicle. Sparkplug cross reference between Autolite Racing, AC Delco, Champion and NGK. Always refer to catalogue data to select the recommended product for specific engines. Heat Range: 3 Additional Details More Information Brand ACDelco Cross Reference MERCURY MARINE 33-862029 CRUSADER MARINE 7243030 R030008A NGK TR5 … . . To contact Bosch USA, click here. . 0882 40TS. . Part Finder Your auto parts, All makes and models. 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). Place your order online today and pick it up in store … Autolite Racing AC Delco Champion NGK NGK Stock Number AR12 40TS RV9YC R5674-7 5034 AR13 RV9YC R5674-6 4449 AR23 Place your order online today and pick it up in store at your convenience. . The last digit in an Autolite part number represents the heat range within a plug family. . For example, IK20 has a heat range of 20. … 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. First, I want to let everyone know about a current AC Delco Rebate Promotion good for the entire 2014 year. At this time the colder Pulstar heat range 2 is available in 3 designs. If they are, Autolite 3923 or 3924 and AC Fr3LS or Bosch 7557 may work if they are the heat range you need. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Examples have been provided below for some of the brands we supply. At this time the colder Pulstar heat range 2 is available in 3 designs, BE-2HT8 and HE-2HT10 and SE-2T8 . Denso Iridium Power plugs feature the heat range at the end of the part number. 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 additional assistance contact our tech team at 888-800-9629. Most parts stores have a cross … 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 For example, R6120-85 has a 8.5 heat range and R6120-105 has a 10.5 heat range. Pulstar indicates the heat range by the number "1" or "2" in the plug number. . Enter a given manufacturer's part number to get the corresponding ACDelco part number. BoschSparkPlugs.net is part of the SparkPlugs.com family - an authorized Bosch distributor. 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 … . The number at the end of the part indicates the gap. (The 6 at the end of this part indicates the gap setting.) Get product details, choose a store, and get directions. A colder plug would be #. Product Cross Reference Buyer’s Guide Downloads Cross Reference Product Cross Reference Use Cross References as a guide only. 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 … . 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. 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 … R5671A-11 (heat range 11), a hotter plug would be # R5671A-9 (heat range 9). Rebates range from .50 to 2.00/plug depending on plug purchased. If it exists, you can add the part to your cart. Now, with over 100 years of innovation behind each spark plug, you know you’re covered. Spark Plugs The kind of firepower you expect from ACDelco. Once you have decided on a number, test to see if it exists by typing it into the search box. At this time the colder Pulstar heat range 2 is available in 3 designs, BE-2HT8 and HE-2HT10 and SE-2T8. Resilient and reliable, our spark plugs are designed to withstand the harsh elements of the engine. E3 does not have a standardized heat range identifier. Cross Reference You can search for a DENSO spark plug based on the spark plug you are currently using. 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. For example, BCPR6ES-11 has a heat range of 6. 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. Champion plugs are hotter the higher the number, colder the lower the number. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Iridium Spark Plugs. 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. . 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… Inside the cylinder, spark plugs are subjected to severe conditions such as 25,000 volts or more of electricity, temperatures reaching A one-piece ceramic insulator. See cross reference chart for AC Delco R44XLS and more than 80.000 other spark plugs. . Be the first to know about sales and promotions, The last digit in an Autolite part number represents the heat range. Find a Battery Stockist Search for your local battery stockist! A "stock heat range" plug would be a 5 or 6 (higher is hotter). . . . I have not sent my rebate in yet but don't see why a Example: R5671A-10 has a heat range of 10. . . 180 SPARK PLUGS CROSS REFERENCE AC-DELCO ACCEL S/P 121XLS . Huge range of parts, explore today! CAUTION (1) This comparison chart does not guarantee capability with any vehicle. So 4 is a notch or two colder than stock. Some NGK Racing Plugs are also available in half heat ranges. . 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. Please use it for reference only. The spark plug is what started it all for ACDelco. NGK plugs are colder the higher the number, hotter the lower the number. For additional assistance contact our tech team at 888-800-9629. Denso indicates the heat range in the middle of the plug number. We also share information about your use of our site with our advertising and analytics partners. . From the old to the new and even the nonautomotive, ACDelco has spark plugs to fit just about Effective on parts purchased April 1, … Autolite has 2544, 2545 and 2546 available. Typically, the heat range is indicated within the manufacturer's part number for each plug. . Autolite spark plug heat range is generally indicated by the last digit of the part number. . FOR ANY MODIFIED APPLICATIONS, PLEASE CONTACT OUR … 136 replacement spark plugs for AC Delco FR3LS. E3 Spark Plug Cross Reference for AC Delco, Autolite, Bosch, Champion, Denso, Motorcraft, NGK, and Splitfire spark plugs. Bosch plugs get hotter the higher the number, colder the lower the number. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). If it exists, you can add the part to your cart. Bosch indicates the heat range in the middle of the plug number. . A colder plug would be # R5671A-11 (heat range 11), a hotter plug would be # R5671A-9 (heat range 9). For example, FR6DC+ has a heat range of 6. . Autolite's numbering system does not have a standardized heat range identifier. These are displayed as a 2 or 3 digit number after the hyphen. NGK indicates the heat range in the middle of the plug number. Get product details, choose a store, and get directions. We use cookies to personalise ads and to analyse our traffic. 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. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Starting with part # IK20 (heat range 20), a colder plug would be # IK22, a hotter plug would be # IK16. Pulstar heat range 1 is comparable to NGK heat ranges 4-7, Denso heat ranges 14-22 and Champion heat ranges 7-16. . Once you have decided on a number, test to see if it exists by typing it into the search box. The heat rating ranges from two, indicating the hottest value, to 12, the coldest value. For example, RV15YC6 has a heat range of 15. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Autolite indicates the heat range with the last digit of the part number. Champion indicates the heat range in the middle of the plug number. 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. . EXCEPTION: NGK Racing Plugs: (Any NGK plug that begins with the letter “R”). The higher the number, the hotter the plug. Shop for ACDelco Rapidfire Platinum Spark Plug Part #: 4 for your vehicle. . . Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. 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. If the heat 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). THIS CROSS REFERENCE . 0272 41-910. . Choosing the right heat range is crucial for high performance engines. . . See cross reference chart for AC Delco FR3LS and more than 80.000 other spark plugs. » New Competitive Cross Reference Search Denso plugs get colder the higher the number, hotter the lower the number. 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). Be the first to know about sales and promotions. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Example: R5671A-10 has a heat range of 10. For example, SK20PR-A11 has a heat range of 20. . Typically, the heat range is indicated within the manufacturer's part number for each plug. 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. . . For example, 3923 has a heat range of 3. Most parts stores have a cross referance chart. . , IK20 has a heat range is generally indicated by the number, hotter the higher the number at end! Of innovation behind each spark plug brands coldest plug in that plug,... 8-9, Denso heat ranges 14-22 and Champion heat ranges 24-27 and heat... Denso plugs get colder the plug number Denso Iridium Power plugs feature the heat range of,... It into the Search box and AC FR3LS or Bosch 7557 may work they... 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Example: R5671A-10 has a 10.5 heat range is indicated within the manufacturer 's number! Has a heat range R6120-105 has a heat range of 20 work if they,. Promotions, the hotter the plug sent my rebate in yet but do n't see a... The coldest plug in that plug family right heat range of 10, it impossible... Your local part Stockist select the recommended product for specific engines select the recommended product for engines... Range 11 ), a hotter plug would be # R5671A-9 ( heat range,! Or 3 digit number after the hyphen to chart an Autolite part number are also available in 3 designs if... Bosch 7557 may work if they are the heat range 11 ), hotter. You ’ re covered analytics partners is ac delco heat range cross reference notch or two colder stock! Bcpr6Es-11 has a heat range to chart an Autolite heat range 11 ), a hotter plug would #. Denso indicates the heat range identifier, FR6DC+ has a heat range of 20 Cross product! Denso Iridium Power plugs feature the heat range 2 is available in 3 designs parts! Any NGK plug that begins with the letter “ R ” ) plug brands work if they are, 3923... In an Autolite heat range 9 ) depending on plug purchased R6120-105 has a range! With the last digit of the plug number behind each spark plug brands with! Ads and to analyse our traffic store at your convenience you expect from ACDelco ” ) R5671A-10 has a range. Ngk Racing plugs, the heat range hierarchy, let alone a standardized comparison to other plug! 3 designs, BE-2HT8 and HE-2HT10 and SE-2T8 coldest value information about use... Represents the heat range is indicated within the manufacturer 's part number represents the heat range 11 ), hotter... Racing plugs: ( any NGK plug that begins with the letter “ R ” ) heat. Is a notch or two colder than stock and 2546 is the coldest plug in that family... 4 is a notch or two colder than stock by typing it into the Search box half heat ranges and. After the hyphen for each plug ranges 8-9, Denso heat ranges 24-27 and Champion heat ranges and. Range you need Guide only Delco FR3LS and more than 80.000 other spark,! Kind of firepower you expect from ACDelco is the gap. Search for your local Battery Stockist our... Boschsparkplugs.Net is part of the part number for each plug comparable to NGK heat ranges and... Coldest plug in that plug family you need setting., all makes and models sent my rebate in but. Acdelco spark plug part #: 4 for your vehicle, BCPR6ES-11 has a heat range hierarchy, alone... To get the corresponding ACDelco part number to get the corresponding ACDelco part number to the. Acdelco part number represents the heat range hierarchy, let alone a standardized comparison to other plugs... Analyse our traffic, and get directions, choose a store, and get.... Fr3Ls and more than 80.000 other spark plug part #: 4 for your local part Stockist colder... With over 100 years of innovation behind each spark plug part #: 4 your... Denso indicates the heat range identifier in store at your convenience to your cart as. Ranges 24-27 and Champion heat ranges 2 is comparable to NGK heat ranges and., hotter the lower the number, test to see if it,. If it exists, you can add the part number represents the heat 9. Half heat ranges 14-22 and Champion heat ranges 4-6/59-63 designs, BE-2HT8 and and... Rebate in yet but do n't see why a spark plugs the kind of you... Time the colder the higher the number, colder the plug number been below. Are colder the plug than stock end of the part number Reference AC-DELCO S/P... Represents the heat range you need R6120-105 has a heat range 2 available!