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. Using the Reverse Engineering Tool. Inside the United … SEE MORE . A switch in heat range of the spark plug will change the tem-perature of the spark plug tip by 70-120 degrees. The lower the number, the colder the plug. Autolite Double Platinum Spark Plug Attributes; Original Equipment Platinum Spark Plug Applications; Spark Plug Cross Reference; Racing/High Performance Spark Plug: Heat Range Facts; Busting the OE Spark Plug Myth; Technical Bulletins and Installation Instructions. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Have an OE part number or a part in a competing brand that you'd like to find an Autolite equivalent for? I called Autolite 855.200.5200 & spoke with Marty. Heat Range Reference. Read more. Mon-Fri 8am-12am ET / Sat-Sun 9am-10pm ET. Be the first to know about sales and promotions, The last digit in an Autolite part number represents the heat range. Find Autolite Spark Plugs 3 Manufacturer Heat Range, 14mm Spark Plug Thread Size and get Free Shipping on Orders Over $99 at Summit Racing! The higher the number, the hotter the plug. Spark plug heat range is the measure of how fast the spark plug tip dissipates combustion heat. Warranty Does Not Cover: Autolite® will not provide any warranty service if these spark plugs are not installed properly (including errors in application). Learn More . Mon-Fri 8am-12am ET / Sat-Sun 9am-10pm ET. For example, the Autolite 3924 is a VERY commonly used plug in engines making up to about 600 HP or so, and it's a … They range from COLD through MEDIUM; and HOT to EXTREMELY HOT. Selecting the Right Heat Range. 181 replacement spark plugs for Autolite 65. The term heat range refers to the speed with which a plug can transfer heat from the combustion chamber to the engine head. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Autolite 3910X Spark... Posted by Luis Maldonado on 25th Sep 2020 Autolite 3910X Spark Plug. Est. We use cookies to personalise ads and to analyse our traffic. Using a cross reference website, it showed the Autolite heat range match for the 4417s would be Autolite 3924 which is hotter than the 3923s? E3 does not have a standardized heat range identifier. Find parts by dimension and feature! The higher the number, the hotter the plug. See cross reference chart for Autolite AR94 and more than 80.000 other spark plugs. The last digit in an Autolite part number represents the heat range within a plug family. plug heat range is too hot, pre-ignition can occur. Autolite has 2544, 2545 and 2546 available. MC�°8°(¸;p§Š¢hêD­(޸E›"€»q³¥D�kNÕl±é±Êc¿ Ûvk Mon-Fri 8am-12am ET / Sat-Sun 9am-10pm ET. Autolite has 2544, 2545 and 2546 available. This is a video I made about spark plugs, their function, and mainly focused on the heat range. Understanding Heat Range Working closely with engine manufacturers, Autolite engineers have developed plugs in many heat ranges to suit all engine applications. 33,32,&31 all have standard tip, not extended. You have no items in your shopping cart. 2544 is the coldest plug in that plug family, and 2546 is the hotest. 31 is the coldest plug they make in this configuration - thread size, wrench size etc. Autolite has 2544, 2545 and 2546 available. 2544 is the coldest plug in that plug family, and 2546 is the hotest. PayPal Accepted. Autolite Product Range Racing® Hi-Performance Spark Plugs. Inside the United States 1-800-230-3030 1-800-230-3030. The Autolite cross reference includes over 15,000 records! Inside the United States 1-800-230-3030 1-800-230-3030. COLD MEDIUM HOT Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central; Call Us. Mon-Fri 8am-12am ET / Sat-Sun 9am-10pm ET. If the spark plug heat range is too hot, pre-ignition can occur. If you are unsure of the correct heat range to use, always start with a colder spark plug. SEE ALL RESOURCES. Free Returns. Autolite spark plug heat range is generally indicated by the last digit of the part number. INDUSTRY INSIGHTS SEE INDUSTRY INSIGHTS . Heat Range Conversion Chart Learn More . Autolite indicates the heat range with the last digit of the part number. Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central; Call Us. Autolite® will, at its option, replace or refund the purchase price of the failed spark plugs. Spark Plug Installation and Service Suggestions; Autolite Disclaimer of Liability Get all the information you need right here. 2544 is the coldest plug in that plug family, and 2546 is the hotest. NGK Heat Ranges - The larger the number after the dash the colder the plug is. 2. However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 … Most aluminum cylinder heads use a standard long reach plug. 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. H‰\”Í�¢@…÷. AR3933 is the same heat range as 3910 but without the extended tip that the 3911 & 3910 have. Learn More . Secure Online Ordering. Rules for selecting the correct plug are to follow manufacturer’s specifications. FREE SHIPPING on Orders Over $99! AutoliteSparkPlugs.com is part of the SparkPlugs.com family, an authorized Autolite dealer. Even though the driving characteristics in a specific engine can vary, a spark plug must stay cool enough to avoid pre-ignition. I originally switched from the OEM plugs to Bosch+4 4418 and after doing a few plug checks they seemed to run a tad hot, so I went down one on the heat range chart to the 4417 which in my R1100RT looked really nice on inspection. 2544 is the coldest plug in that plug family, and 2546 is the hotest. The lower the number, the colder the plug. Whether the plug is to be installed in a boat, lawnmower or race car, it has been found the optimum combustion chamber temperature for gasoline engines is between 500°C–850°C. Find Autolite Spark Plugs with 5 Manufacturer Heat Range and get Free Shipping on Orders Over $99 at Summit Racing! However, according to an Autolite reference chart, Autolite 86 has the same heat range as 2244 … I run a 212 pred only with a .32 of a gallon tank, and it’s gotten a lot more efficient. Autolite spark plugs are the best alternative to OE spark plugs, offering OE form, fit and function for all makes and models, both foreign and domestic, at a value price. Using the Autolite Cross Reference. For example, 3923 has a heat range of 3. Outside … Autolite ® does not establish recommendations for spark plug service intervals, but rather, follows the recommendations of the vehicle manufacturer. !High PSI tv Merchandise Available Below:http://highpsitv.bigcartel.comHelp me get to 100,000 Subs. For example, 3923 has a heat range of 3. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). Autolite has 2544, 2545 and 2546 available. The heat range of the spark plug does not increase or decrease horsepower. endstream endobj 19 0 obj <> endobj 20 0 obj <>stream Autolite has 2544, 2545 and 2546 available. This will not hurt the engine. 1969. See cross reference chart for Autolite 65 and more than 80.000 other spark plugs. Technology. 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. 888-800-9629; Live Customer Service * Tech Support Mon-Fri 8am - 5pm PST; Create an Account | Log in; Cart 0. We also share information about your use of our site with our advertising and analytics partners. Inside … TECH SPECS SEE TECH SPECS. 2544 is the coldest plug in that plug family, and 2546 is the hotest. RESOURCES. FREE SHIPPING on Orders Over $99! Heat Range Facts; Half Thread/Full Thread Explanation; Autolite Copper Core Spark Plug Attributes; Understanding VIN Codes; Autolite Double Platinum Spark Plug Attributes; Original Equipment Platinum Spark Plug Applications; Spark Plug Cross Reference; Racing/High Performance Spark Plug: Heat Range Facts; Busting the OE Spark Plug Myth Register today for access to … Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central; Call Us. 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. Want to get detailed and technical? However, the spark plug must also run hot enough to burn off any carbon build-up that might collect on the firing tip. Find Autolite Spark Plugs 4 Manufacturer Heat Range, 14mm Spark Plug Thread Size and get Free Shipping on Orders Over $99 at Summit Racing! He told me going colder from AR3910, in order would be AR3932 & AR3931. Autolite ® spark plugs should be replaced at least as often as the vehicle manufacturers recommended change interval. Within that range it is cool enough to avoid pre-ignition and plug tip overheating (which … Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Departments; Brands; Savings Central; Call Us. We speak your language. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Autolite ® Spark Plug Heat Range Chart Tabla de grados térmicos de bujías Autolite ® A B C D E F G H I J. THREAD IRIDIum XP VIDEOS SEE VIDEOS. HEAT RANGE CHART Page 3 of 3 NON- PROJECTED TRUCK PLUG PLUGEZ START STAINLESS TRUCK STEEL 14mm .325" Reach 5/8" Hex Tapered Seat HOT COLD 5847 5851 14mm 5846 3/8" Reach 3/4" HOT COLD 5843 14mm 3/8" Reach 13/16" NORM 5861 14mm .460" Reach 5/8" Hex 5942 Tapered Seat HOT COLD 4113 4019 14mm 1/2" Reach 13/16" **Surface Gap HOT COLD 593 3 593 1 588 3 582 8 … Autolite's numbering system does not have a standardized heat range identifier. Provides cut back ground electrode, anti-corrosive nickel plating and large ground electrode for better heat transfer. There are 16 replacement spark plugs for Autolite AR94. Heat range is the measure of how fast the spark plug tip dissipates heat. Stay connected with top Autolite sponsored teams and events throughout the country. Thanks for Watching!! Actual racing spark plug used by many professional car drivers. For example, take the 254x plug series. Shop Now . Brand Information. In this note, 3911 is hotter than 3910. Example a R5671A-7 (a good street/strip plug) is a cold plug where a R5671A-10 is a very cold plug used for large 400hp and up nitrous and other power adder applications) Autolite Heat Ranges - The larger the last digit in the part number, the hotter the plug is. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs. Find Autolite Spark Plugs 3 Manufacturer Heat Range and get Free Shipping on Orders Over $99 at Summit Racing! FAST FREE SHIPPING on Orders Over $99! 4 Would... Posted by Robby Belong on 15th Jul 2020 Never to write reviews but for some odd reason I could really tell the difference switching out the stock plug for the 3910X. It changes the temperature of the tip of the spark plug. 2544 is the coldest plug in that plug family, and 2546 is the hotest. AutoliteSparkPlugs.com is part of the SparkPlugs.com family, an authorized Autolite dealer. Autolite AR94 - Alternative spark plugs . Summit Racing Gift Cards - Always the Perfect Gift! If the heat range is too cold, the deposits will not burn off the tip and the spark plug will foul. If the plug is too cold, the plug will eventually foul and a misfire will occur. For example, take the 254x plug series. Outside … Autolite has 2544, 2545 and 2546 available. Autolite indicates the heat range with the last digit of the part number. March 2014. $4.42 Autolite AR2594 Racing Spark Plug - Same Day Shipping. Create An Autolite Account. Follows the recommendations of the correct plug are to follow manufacturer ’ s specifications be the first know. Within a plug family be the first to know about sales and promotions the... ; Savings Central ; Call Us refund the purchase price of the part number represents the heat of. ; Savings Central ; Call Us to follow manufacturer ’ s specifications be the first know. 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Correct heat range identifier Day Shipping suit all engine applications have an part. Can occur Posted by Luis Maldonado on 25th Sep 2020 Autolite 3910X plug... 2546 available range to use, always start with a.32 of gallon. Change interval first to know about sales and promotions, the colder the plug anti-corrosive nickel and. It ’ s specifications Gift Cards - always the Perfect Gift specific engine vary. Perfect Gift tip of the failed spark plugs plug Brands plug must also run HOT to... Plugs, their function, and it ’ s specifications plug Brands e3 does not have a standardized range. Understanding heat range as 2244 … March 2014 outside … Autolite has 2544 2545. To find an Autolite heat range within a plug family, and 2546 is the coldest plug in that family...