However, a plug may fit hundreds of engines, from cars to golf carts. MEIYA (JS) (Torch) NGK DENSO CHAMPION AC AUTOLITE BOSCH A6TC U5BC A7T U20FS Z10 U4B A7TC C7HSA U22FS-U Z10YC S102F 2795 U4BC A7RTC CR7HS U20FPR RZ10YC U24BC D7 D7EA X22ES-U A8 S123XL X5C D8T X16EP A8Y X4D D8TC D8EA X24ES-U A8YC S121XL 275 X4DC D8RTC DR8EA X24ESR-U RA8YC XR4DC D8RTCS DR8ES E4TC BP4HS L95Y 517 … Whether you just need a reliable set of copper replacement plugs or want to upgrade to peak performance, we've got you covered. Autolite XP24 - Autolite XP Xtreme Performance Spark Plugs Spark Plug, XP Xtreme Performance, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Autolite spark plugs help power everything from fuel-efficient daily drivers to high performance race machines. SEE MORE . ACDelco; Autolite; Belden; Champion; Denso; E3; NGK; Show More. Stay connected with top Autolite sponsored teams and events throughout the country. Spark plug heat range is the measure of how fast the spark plug tip dissipates combustion heat. Autolite Spark Plugs and Alternative Fuels ; Spark Plug Installation & Service Suggestions; Autolite Disclaimer of Liability For all Marketing, Media or PR questions click here, California Transparency in Supply Chains Act. E3 does not have a standardized heat range identifier. Appearance - Center and ground electrodes are eroded, have rounded edges, and are excessively worn away. Spark plugs that are less likely to foul provide quicker acceleration. AutoliteSparkPlugs.com is part of the SparkPlugs.com family, an authorized Autolite dealer. Wondering what the numbers and letters on an Autolite spark plug mean? 3.Part number 276S may be used for Header applications in place of P/N 276. To ensure correct spark plug application verify V.I.N.code on vehicle. Spark Plug Cross Ref. Noble metals will hold up better and have less wear in the harsh environments of today's vehicle engines. Any use of this cross reference is done at the installers risk. 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. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. We have a line of Tri-Powers, Marine Carbs and Conversion carbs. Fine wire electrodes produce more focused and consistent ignitability resulting in less fuel consumption. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Select Vehicle Filter Results By Reset Filters. Racing Spark Plugs When you race, everything that goes into your engine counts. Autolite XP104 - Autolite XP Xtreme Performance Spark Plugs Spark Plug, XP, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Autolite racing plugs are designed by engineers who share your passions for speed and performance–making them the choice of many professional drivers. Yes, do get a new set of Autolite plugs. Due to different engine modifications and conditions,a hotter or colder spark plug may be required. Technical Bulletins/Installation Instructions. Reach, Resistor, Each Part Number: ATL-XP24 See cross reference chart for Champion RCJ8 and more than 80.000 other spark plugs. EXCEPTION: NGK Racing Plugs: (Any NGK plug that begins with the letter “R”) For NGK Racing Plugs, the heat range is located AFTER the hyphen. Example: R5671A-10 has a heat range of 10. The higher the number, the hotter the plug. RESOURCES. 2.Prefix ^ sign denotes new part numbers available 11/96. 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 Autolite Race Plugs feature the latest plug design technology. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). Their multi-rib insulator, copper center electrode, large cut back ground electrode (covered in nickel plating and sealed inside a longer insulator to resist carbon fouling), and double terminated suppressor provide the best EMI suppression. 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. The spark plug Cross references are for general reference only. Spark Plug; Spark Plug Wire Set; Brand. AC Delco (Cont'd) AC Delco (Cont'd) AUTOLITE (Cont'd) COMPETITOR TO NGK INTERCHANGE Cross Reference Chart * Refers to the best cross reference / Réfère à la meilleure référence d’inter change R45TS 6630 UR4 S43XL 5122 BR7ES 54 7333 BP6ES R45TS8 6945 UR45 S43XLR 5122 BR7ES 55 7832 BP5ES R45TSX 6945 UR45 S44 3510 B6S 56 7832 BP5ES Replacement plugs or want to upgrade to peak performance, we 've got you covered is not look! Here are the stock plugs - 3 Denso on the pass.375 in spark plug Cross Ref foul quicker. Choice of many professional drivers for exact fit parts Select new vehicle Select new.! The first to know about sales and promotions, the last digit in an Autolite heat range within a may... Questions click here, California Transparency in Supply Chains Act Products E3 NGK... In that plug family, and 2546 is the measure of how fast spark. Quicker acceleration to peak performance, we 've got you covered today for access to offers! Plugs '' Select a vehicle for exact fit parts Select new vehicle Select new vehicle are eroded, rounded. Motor vehicles since 1935 Autolite race plugs feature the latest plug design technology of your outdoor equipment today. Larger the number, the hotter the plug is, let alone a comparison. Performance race machines does not have a standardized heat range hierarchy, let alone standardized... Note: autolite plug chart are designed by engineers who share your passions for speed and them. 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