AutoliteSparkPlugs.com is part of the SparkPlugs.com family, an authorized Autolite dealer. AutoliteSparkPlugs.com is part of the SparkPlugs.com family, an authorized Autolite dealer. Autolite racing plugs are designed by engineers who share your passions for speed and performance–making them the choice of many professional drivers. Racing Spark Plugs When you race, everything that goes into your engine counts. This Autolite spark plug chart explains how Autolite's numbering system works. Autolite XP24 - Autolite XP Xtreme Performance Spark Plugs Spark Plug, XP Xtreme Performance, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Appearance - Center and ground electrodes are eroded, have rounded edges, and are excessively worn away. Autolite spark plugs help power everything from fuel-efficient daily drivers to high performance race machines. We have listed NGK plugs for motorcycle, ATV, moped, golf cart, snowmobile and personal watercraft plugs. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. The lower the number, the colder the plug. We speak your language. 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. Your Search Filters: motorcycle spark plugs. Gapping the plugs to your engine’s specifications is important to prevent pre-ignition, detonation, fouling and poor fuel economy. Want to get detailed and technical? We have cross referenced these with AC Delco, Autolite, Bosch, Champion, Denso (Nippon Denso or ND) and Motorcraft These are the cross referenced numbers according to NGK. SEE MORE . Autolite's numbering system does not have a standardized heat range identifier. See cross reference chart for Autolite 664 and more than 80.000 other spark plugs. Yes, do get a new set of Autolite plugs. Autolite indicates the heat range with the last digit of the part number. Results for "motorcycle spark plugs" Select a vehicle for exact fit parts Select New Vehicle Select New Vehicle. Register today for access to special offers and exclusive content. 888-800-9629 Live Customer Service * Tech Support Mon-Fri 8am - 5pm PST 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 … 61 replacement spark plugs for Autolite 664. 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. Autolite spark plugs traditionally leave the factory pre-gapped for their most popular application. Autolite spark plug heat range is generally indicated by the last digit of the part number. Autolite Spark Plugs and Alternative Fuels ; Spark Plug Installation & Service Suggestions; Autolite Disclaimer of Liability It is normally recommended that you get a fixed-gap plug, but check the manual so you are sure it is the right kind of gap. For example, take the 254x plug series. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Autolite has 2544, 2545 and 2546 available. Autolite 295 - Autolite Copper Core Spark Plugs Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .375 in. I used Autolite Iridium plugs, mainly because that's what Auto Zone had in stock for the truck ($6.99 each), but also because I don't want to have to do it again any time soon: The Autolite plugs were pre-gapped (.041"). In case it is not, look for another brand. Autolite Products Bosch Products Champion Products Denso Products E3 Products NGK Products NTK Products Spark Plug Cross Ref. Whether you just need a reliable set of copper replacement plugs or want to upgrade to peak performance, we've got you covered. Plugs specially designed to handle the down-and -dirty demands of your outdoor equipment. Here are the stock plugs - 3 Denso on the pass. 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 sell Aftermarket carburetors like Holley, Carter, Edelbrock, , Weber Conversion Kits,Weber Carbs and Weber parts and kits .We also sell hard to find Carb parts, rebush throttle shafts and sell carburator accessories.This web site is secured using Bank Of America using there advanced security and Secure servers . Autolite XP104 - Autolite XP Xtreme Performance Spark Plugs Spark Plug, XP, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. 2544 is the coldest plug in that plug family, and 2546 is the hotest. 35 replacement spark plugs for Champion RCJ8. Racing Plug Number Old Racing Plug Number Champion NGK Racing Cross Reference Chart. NGK Heat Ranges - The larger the number after the dash the colder the plug is. For instance, 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). Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Noble metals will hold up better and have less wear in the harsh environments of today's vehicle engines. side and 3 NGK in drivers side, just like Chris said. RESOURCES. 100% Guaranteed Satisfaction Hassle-Free Returns Awesome Customer Service 888-800-9629 Join our newsletter. 2544 is the coldest plug in that plug family, and 2546 is the hotest. NGK Part Finder NOTE: Cross references are provided as a guide only. We have a line of Tri-Powers, Marine Carbs and Conversion carbs. Spark plug heat range is the measure of how fast the spark plug tip dissipates combustion heat. E3 does not have a standardized heat range identifier. 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. Example: R5671A-10 has a heat range of 10. Autolite was founded in 1911 and has been delivering reliable spark to motor vehicles since 1935. NOTE: Plugs are priced individually but may only be ordered in sets of 4. The last digit in an Autolite part number represents the heat range within a plug family. Replace with a new set of Autolite spark plugs. Technical Bulletins/Installation Instructions. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. MOTORSPORTS. Get deals on automotive parts, truck parts and more. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. See cross reference chart for Champion RCJ8 and more than 80.000 other spark plugs. Spark Plug; Spark Plug Wire Set; Brand. Autolite has 2544, 2545 and 2546 available. Be the first to know about sales and promotions, The last digit in an Autolite part number represents the heat range. 2544 is the coldest plug in that plug family, and 2546 is the hotest. Spark plugs that are less likely to foul provide quicker acceleration. 3.Part number 276S may be used for Header applications in place of P/N 276. March 2014. Difficulty starting engine and misfiring during acceleration may occur. 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. Noble metals resist corrosion better, preventing fouling plugs. Spark Plug Cross Ref. Part Type. Every car is different, and so is every driver. Reach, Partial Projected Tip, Non-Resistor, Each Part Number: ATL-295 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). The company developed many of today’s spark plug materials and continues to be a leader in spark plug innovation. Select Vehicle Filter Results By Reset Filters. Reach, Resistor, Each Part Number: ATL-XP24 177 replacement spark plugs for Autolite 403. Stay connected with top Autolite sponsored teams and events throughout the country. 2.Prefix ^ sign denotes new part numbers available 11/96. LEARN MORE. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Wondering what the numbers and letters on an Autolite spark plug mean? Noble metals resist corrosion better, preventing fouling plugs. 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. Any use of this cross reference is done at the installers risk. For all Marketing, Media or PR questions click here, California Transparency in Supply Chains Act. See cross reference chart for Autolite 403 and more than 80.000 other spark plugs. 966 results. For example, 3923 has a heat range of 3. 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 Buy Autolite Copper Resistor Spark Plug - ASP 2384 online from NAPA Auto Parts Stores. Reach, Projected Tip, Non-resistor, Each Part Number: ATL-XP104 2. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). Fine wire electrodes produce more focused and consistent ignitability resulting in less fuel consumption. Spark plugs that are less likely to foul provide quicker acceleration. There are plugs that come with plug-gaps which are adjustable while other gaps are fixed but the gap is always significant. The higher the number, the hotter the plug. Therefore, it is impossible to chart an Autolite heat range hierarchy, let alone a standardized comparison to other spark plug brands. Check for correct application and spec/measurements. Be … Due to different engine modifications and conditions,a hotter or colder spark plug may be required. The spark plug Cross references are for general reference only. ACDelco; Autolite; Belden; Champion; Denso; E3; NGK; Show More. 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