Champion cj8 vs j8c. Similar but different in technologies.

Champion cj8 vs j8c Aug 12, 2013 · I've searched and can't seem to find what I'm looking for. It lists over 200 spark plug models from Champion and their equivalent models from NGK. New substitute for J6J is J6C according to Champion site. 36 replacement spark plugs found for Champion J8. com: Champion J8C-8pk Copper Plus Small Engine Spark Plug Stock # 841 (8 Pack) : Patio, Lawn & GardenChampion J8C-8pk Copper Plus Small Engine Spark Plug Stock # 841 (8 Pack) Champion brand spark plug for small engine lawn and garden or marine machines. IMO I thought it would be ok. I got a few commin' from eBay. Other posts on this site and others specify J4C. I purchased it, but after researching I'm inclined to believe it should NOT be used to replace the CJ8. Also gap it . Does anyone know what these cross over to in other vintage manufactors spark plugs. I read up on this cj8, they'll work in hk's All Champion spark plugs in the contained cross reference lists are available to Bunnings customers either in store or upon special order request. David We would like to show you a description here but the site won’t allow us. com Spark Plug Cross Reference - HEAT RANGE CHART - Brisk spark plugs _NGK spark plugs_Denso spark plugs_Bosch spark plugs_Champion spark plugs Autolite spark plug heat range is generally indicated by the last digit of the part number. 1) I recently purchased the Champion J8C Lawn & Garden Equipment Engine Spark Plug for my trusty old lawnmower and let me tell you, it’s a game changer! This thing is compatible with so many different models, it’s like the universal remote of spark plugs. Please refer to list for compatibility. Jun 1, 2004 · Buy Champion Copper Plus Small Engine 841 Spark Plug (Carton of 1) - J8C: Spark Plugs - Amazon. Small Engine Spark Plug for Lawn Equipment, (2 Pack) Champion CJ8 (843) Brand: Champion 50+ bought in past month FREE Returns Mar 12, 2008 · I was changing the plugs for my Kawi's today, getting ready for cleanups (hopefully next week), and noticed the plugs I was taking off were Champion RCJ8Y plugs. Las bujías Champion están probadas, probadas y garantizadas para ofrecer rendimiento OE al mercado de accesorios Champion ofrece la más amplia gama de bujías para cortadoras de césped, motos de agua o motosierras. It calls for a J4C as the primary plug for it. There was May 24, 2008 · The C in J8C stands for copper core suppose to be a better plug but otherwise the same. Take the listed Autolite 295. The threads are probably 13mm like most small 2 cycle engines have. Apr 2, 2010 · Ronny, the J8C should work. CJ8 Spark Plug for 2-Cycle and 4-Cycle Engines (30) Questions & Answers (7) Hover Image to Zoom share Share print Print $ 8 98 Compatible with 2-cycle and 4-cycle engines Designed to improve fuel economy and reduce emission Easily fits 13/16 in. Champion 5843 EZ Start Engine Spark Plug (Federal Mogul CJ8 J8C) The Champion 5843 EZ Start Engine Spark Plug, manufactured by Federal Mogul, is a premium replacement option designed to deliver exceptional performance for various small engine applications. I think the "C" suffix indicates copper core, not sure though. The chainsaw is a Poulan Wild Thing 2375-1. Since most parts stores can cross Champion, I describe therm. Aug 8, 2004 · Does anybody know why Briggs started using the Champion J19LM in place of the J8 and CJ8 in the same engines? They also recommend using the J19LM in engine's that originally spec'd a J8/CJ8. Projected core nose offers peak performance. This is due to the fact that NGK’s alloys offer better resistance against wear and tear, as well as other environmental factors. Sep 14, 2009 · If it is a direct replacement for a Champion J-8, J-8C, CJ8, 19LM (these are all basically the same plug) it won't run any hotter. Worldwide shipping. This spark plug is engineered to meet and exceed the original equipment specifications, ensuring a reliable and efficient operation of your I tested the Champion J8C Spark Plug and was impressed by its performance and durability. 27 with Mail-In Rebate CJ8Y Champion Spark Plug OE replacement plug for lawn, garden, and smiliar small engine machines Resists fouling Increased conductivity and heat control for good overall wear Superior Jan 30, 2018 · Box of 4 (Four) Champion CJ8, 843 Spark Plug Replaces NGK BM6A, 5921; Bosch WS8E 7543 Brand: Lawnmowers Parts Amazon's Choice Sep 8, 2011 · H10Cs and J8Cs are the same heat range plug but if you look at the treaded part of the plug you will see a J8C measures 3/8 of an inch and a H10C measures 7/16 of an inch. In later years, Champion introduced the J17LM (heat range 7) and J19LM (heat range 9) specifically marketed to lawn mowers (hence the "LM") and small engines. com FREE DELIVERY possible on eligible purchases Champion Eco-Clean Small Engine Spark Plug creates the electrical spark that ignites the fuel in your engine. The chart is intended to help users find the correct NGK spark plug to replace a worn out Champion spark plug. Type: Resistor, Reach: 9. So a heat range 19, about the hottest champion makes, in place of an 8. SparkPlugCrossReference. ) Marine Engine’s site says #825 (which I think is the same as J4C. These differences are naturally application specific where some designs require the shorter plug and other designs can use the longer. The J8C is too hot for that engine. We would like to show you a description here but the site won’t allow us. Today the J-8 is replaced with the J8C. Discover why it's a top choice for optimal engine efficiency! Prime Automotive Warehouse CH850C Dj7J Spark Plug MTD 751-055003 SP-34 Spark Plug - Replaces Champion CJ8 MTD 751-055003 SP-34 Spark Plug - Replaces Champion CJ8 New Stens 130-093 Spark Plug For Champion J8C Now$418 $9. Champion CJ8, J8C, J19LM and RN4C Spark Plugs. Though yeah too much time on my hands. The document provides a cross reference chart for spark plugs made by Champion and NGK. Similar but different in technologies. According to the manual it will take RCJ4 and RCJ6Y. 5PH Quantum Series Engine for a few years now. Original Parts Manual specifies Champion J6J. I purchased a couple of autolite spark plugs, since the guy at the parts counter said they were the same as a champion, but cheaper. ACDelco is famous for maximizing the engine’s performance and durability, meanwhile, Champion plugs are known for reliability and improving engine starting and anti-fouling. Bring organic warmth to counters, walls or floors with these hard-wearing alternatives. I just wanted to know if there was a noticeable quality and longevity difference between the NGK and champion plugs? I know when it comes to plugs for cars I would take Mar 5, 2017 · Frequently bought together This item: Champion J8C (841) Copper Plus Small Engine Spark Plug, 1 Box of 4 Spark Plugs $3599 + Gumout 800002231 Carb and Choke Cleaner Jet Spray - 14 oz. Thanks 170 replacement spark plugs found for Champion J8C. Free tech support. com w: PowerDistributors. Larry. com: champion j8 spark plugSpark Plug Replacement for NGK BPMR7A, L7T and for Champion CJ8 RCJ6Y RCJ7Y & More Types Sparkplug, Adefol Spark Plugs Fit for Stihl & Husqvarna Chainsaw Lawnmower Engines F6RTC/131-039 F6RTC/131-039 F6RTC/131-039 Feb 25, 2025 · CJ8 vs. 365 day returns. AC 45 or Autolite 295 or Denso W14-U would work well also. My motor currently has J4Cs Feb 3, 2012 · Found this very interesting sheet cross referencing plugs from different manufacturers for the Champion J8C plug: Feb 21, 2009 · Think we just answered an identical question to this a while ago. #5861 is equivalent to #J19LM, RJ19LM, J17LM and RJ17LM. May 6, 2010 · Something I've been wondering about lately. While both share a similar designation, a subtle “Y” distinguishes them. Jun 13, 2018 · Since the 1940's, auto and small engine flat heads used the Champion J and CJ series of spark plugs, J-8 (heat range 8) being the most common. Champion Application Guide indicates J8C. Ronny, the J8C should work. This seemingly minor change signifies a key difference in their construction and intended application. However, when I look at the manuals/IPL's for said engines, they actually call for a different plug Mar 30, 2018 · Champion’s current website part search for my FD-16’s and my CD-11’s feeds back Champion plug #841 (which I think is the same as their J8C. Reason I ask I know the countervibes called for CJ8Y but most come in with CJ8 and I was ask is it ok to replace with cj8 instead of cj8y. What would be a hotter plug to use? What spark plug gap should I use? Oct 14, 2018 · K181: RJ8C /J8C spark plugs By LengerichKA88, October 14, 2018 in Engines Spark Plug Selector Table HTML CodeSpark Plug Cross Reference 68 replacement spark plugs found for Champion RJ19LM. Champion CJ8Y Spark Plug Model Number: 848-1 Menards SKU: 2704575 Final Price $ 2 22 each You Save $0. Aug 20, 2016 · Is there any other differences in the champion cj8 sparkplug and the cj8y spark plug that has the extended electrode? Thats the only difference I know of. 2) J8C is a common Champion number when dealing with older OMC O/Bs. While I get it that they may have had to do some things to deal with emissions, is this really prudent for “antique” (mid-late 80s flathead engines? Now, cross references. Jul 20, 2012 · Buy Spark Plug, J8C: Spark Plugs - Amazon. 96686 bm6a 25 843s cj8 24 255bp 24 796112 100 5728 bmr4a 1 846 cj14 1 258 1 6015 w14m-u 1 91620 bmr4a 25 846s cj14 24 7823 bp4hs 1 312 l87yc 1 275 1 3210 b4 1 841 j8c 1 295 1 6008 w14u 1 TORCH A7RTC Screw CJ3 CJ4 CJ6 CJ6Y CJ7Y CJ8 CJ8Y CJ11 CJ14 CJ26 CJ86 D6 D9 D9J D10 D14 D16 D16J D21 DJ6J DJ7J DJ7Y DJ8J F7Y F7YC F7YCC F9Y F9YC F10 F10C F11Y F11YC F14Y F62Y F81Y F-82 F83Y G1 BP6EFS BP5EFS BP6EFS BCP7ET BKUR6ET-10 BCP7ES BCP7ES BCP7ES BCP7ES ZFR5F BCP6ES BCP6ES BCP6ES BCP6ES R5671A-10 R5671A-10 R5672A-10 R5671A-9 R5672A-9 R5671A-9 R5672A-9 3 days ago · Go Kart Spark Plugs. I have a '58 Evinrude 18hp 15024. #5846 is equivalent to #CJ14. The CJ8 is a standard spark plug suitable for a variety of engines, while the CJ8Y Jan 24, 2007 · I have been using the Champion RJ19LM plugs in my Craftsman Mover with a B&S 6. co. com: Champion J8C Lawn & Garden Equipment Engine Spark Plug Genuine Original Equipment Manufacturer (OEM) Part : Patio, Lawn & GardenChampion J8C Lawn & Garden Equipment Engine Spark Plug Genuine Original Equipment Manufacturer (OEM) Part Apr 3, 2023 · Great cross reference chart to find the right spark plug for you mower and power equipment. In all my Lawn boys I use Champion CJ-14 and in my snowblowers I use CJ-8 What do all you other lawnboy enthusiast's Find many great new & used options and get the best deals for Champion 5843 Spark Plug Cj8 EZ Start Small Engine Sparkplug Lawn Equipment at the best online prices at eBay! Free shipping for many products! Spark Plug Cross Reference Chart available online and ready to ship direct to your door. I know I can get CJ-8's new but I like the look of the "authentic" vintage plugs. I gapped them to . Jun 11, 2021 · The manual calls for an RCJ7Y Champion spark plug. Sep 20, 2023 · Champion spark plugs are designed to resist longer-term oil penetration and corrosion, while NGK offers little resistance. Nov 3, 2025 · I have 2 Quantum 35's both model #121702 yet 1 has a CJ8 plug the other has a RJ19LM. You should double check that the gap is correctly set; check your owner’s manual to find the distance for the spark plug gap and use a gap gauge or feeler gauge to check the distance. My dealer gave my CJ8Y plugs- said they will fit and do the job fine. 5mm, Seat Aug 25, 2023 · Find many great new & used options and get the best deals for (4) Champion CJ8 CJ8Y J19LM RCJ6Y Spark Plugs Small Engines Briggs Lawn Mowers at the best online prices at eBay! Free shipping for many products! For projects large and small, Champion® lawn and garden spark plugs are the right plugs for the job. Apr 27, 2022 · The heat range was in Champion #8, so that was J8. Jun 17, 2025 · Those are the Champion J8J spark plugs and not the HJ8J or J8C spark plugs? I bought a few HJ8J thinking they were the same, but they have a smaller thread. Nov 4, 2013 · Amazon. NGK CR7HSA, BP6ES and BR6HS Spark Plugs. Consult owners manual for proper part number identification and proper installation. In general, I've gotten a couple of used engines that have had working spark plugs; engine runs and works fine with the plug that the PO had in it. Type: Standard, Reach: 9. May 21, 2019 · Finding the Champion Spark Plug CJ8 sold out, I was informed by the mower repair shop that the Champion CJ8Y was an acceptable replacement. Optimum performance and maximum plug life. There are 2 basic designs with different heat ranges. 137 replacement spark plugs found for Champion CJ8. If they are the regular thread J8J spark plugs I would be interested. Plus, the short plug uses a smaller sized socket (3/4" hex) vs the larger 13/16" hex for the long plug. Discover what the combination of letters and numbers assigned to every Champion spark plug indicates about its design. Autolite Torch F6RTC Spark Plugs. com. #5843 is equivalent to #CJ8, CJ7Y, CJ8Y, RCJ8, RCJ7Y, RCJ8Y, J8C and RJ8C. Get yours online today and pick up in store. I'm needing to purchase Jul 4, 2024 · CHAMPION Spark Plug J8C 841-1 Replaces RJ8C 018-3061-6 for 2-Cycle and 4-Cycle Engines Use the Champion J8C Spark Plug for Mowers, Chain Saws and Pumps to keep your engine performing at a high level. Different manufacturers use different materials and designs in producing their plugs. •• 3700 Paragon Drive - Columbus, Ohio 43228 • p: (800) 554-3336 e: info@PowerDistributors. Champion would have been my last choice as not the quality they use to be since now foreign made just throw away plugs once they foul. Champion CJ8 - Alternative spark plugs Spark Plug Cross Reference CHAMPION to NGK REPLACEMENT SPARK PLUGS Spark Plug Application Chart Lawn & Garden Cross Reference Guide Is the CJ8 the correct plug for a J4C? CJ 8 is not the correct plug you want either the J4C, J6C or J8C. com FREE DELIVERY possible on eligible purchases Jul 9, 2015 · Champion H10C, or something different ? Early V8 (1932-53) Cross Reference GuidePERFORMANCE TECHNOLOGY PERFORMANCE TECHNOLOGY PERFORMANCE TECHNOLOGY PERFORMANCE TECHNOLOGY PERFORMANCE TECHNOLOGY PERFORMANCE TECHNOLOGY All Champion spark plugs in the contained cross reference lists are available to Bunnings customers either in store or upon special order request. the R in the plug. The engine was designed around Champion plugs and the Champion plugs seem to do the best job in these engines. Any draw backs Jan 26, 2015 · The parts manual from about the same era as the engine and the Briggs repairman's manual specify Champion J8 or CJ8, I think the C just relates to a slightly shorter plug. Like mentioned in post here. Part number CJ8 resists fouling and provides superior corrosion resistance. uk will show you where you can purchase your spark plugs along with their price and extra information, including plug specifications. Oct 31, 2023 · Champion RJ17LM or RJ19LM is what I use now, as the J8C seems to be less common. If I use RCJ6Y will that eliminate the carbon and oil buildup? In comparison, I Jun 1, 2004 · Buy Champion Copper Plus Small Engine 843 (CJ8) Pack of 1 (UPC 037551000043): Gun Drill Bits - Amazon. 55 replacement spark plugs found for Champion RCJ8. The type of seat is easy to identify Cross reference other manufacturers to NGK, Spark Plug Part-Number Interchange Guide. There is the tapered seat design (DJ in Champion) and the washer seat design (CJ in Champion). NGK, Denso, Champion, AC, Autolite, Bosch and Torch. (See Also: What Happens When You Have Bad Spark Plugs? Jun 23, 2025 · Unlock your chainsaw's full potential with our Champion to NGK cross-reference chart. Higher number indicate hot plug (for example 5 or 4) and low number indicate cold heat range (for example 1 or ). com Feb 22, 2025 · Can I adjust the spark gap on a Champion spark plug myself? Yes, you can adjust the spark gap on a Champion spark plug yourself with the proper tools and knowledge. May 13, 2010 · Re: Which spark plugs are the right ones? '58 18hp Re: Which spark plugs are the right ones? '58 18hp I have the almost identical dilemma. However, if you are not comfortable working on your vehicle, it is best to have a qualified mechanic perform the adjustment. It cross references to an NGK B4, while the CJ8 cross Feb 8, 2016 · How come B&S switched to the J19LM in flatheads and now call for it in engines that originally spec'd a J8 or CJ8? May 22, 2008 · Champion CJ8 and J8C plugs aren't exactly the same, although they are the same heat range. Is it ok to run the RJ19LM plug instead of the CJ8? Sep 18, 2023 · ACDelco was ahead of its counterpart Champion. (AC was 45 and that was C45) Those larger plugs got caught in bushes on push mowers so they went to "shorty" plugs, CJ8 and CS45. The spark plug is designed to withstand high temperatures and fits most small-engine brands and models. ENG. NOTE: This cross reference chart is intended to be a guide only. Dec 14, 2002 · First, the Champion J19LM has superceded the CJ8 series. This may account for the plugs not having the exact same heat ranges. com FREE DELIVERY possible on eligible purchases Fine wire center and side electrodes concentrates spark energy for easier starts under all conditions. If it isn't a direct replacement then all bets are off. Genuine Champion Spark Plugs. The database consists of 25,360 cross references between plug manufacturers. :crazy: 14mm 13/16" Hex 3/8" reach Thanks Dec 14, 2002 · The short CJ8 is over 3/4" shorter than the j8C. Parts are just part of what we do. Replacement spark plugs for champion J8C. 84 replacement spark plugs found for Champion J19LM. 40 replacement spark plugs found for Champion J8J. Apr 8, 2025 · The recent post on spark plugs got me to thinking, sometimes this can not be a good thing. Optimize performance and power with the perfect spark plug match! I ordered some champion cj8 spark plugs. They help power millions of small engines, including mowers, tractors, snow blowers, chainsaws and leaf blowers Discover the Champion Cross Reference tool for industrial plugs, designed to simplify your search and ensure compatibility with your equipment. FYI H70 is a 7 HP engine. Both are high-quality parts. The CJ8 plug is a compact plug used in a lot of current lawnmowers. . Apr 1, 2025 · The main difference between Champion CJ8 and CJ8Y spark plugs lies in their design and intended application. Can anyone shed some light on the difference between a RCJ8Y Amazon. Currently it has an RCJ4 spark plug to it. Before returning it, can someone assure me one way Aug 31, 2011 · 1) You should not be running "C" series Champion plugs in an outboard motor whether CJ6, CJ8or whatever. I think the modern Champion replacements are a little shorter and may look a little different, but should work with no problem. Is the heat range etc the same? Guessing yes going by 8. 5mm, Heat Range: 8, Seat Type: Gasket, Thread 14mm, Hex Size 3/4", New, Bulk Packed. Aug 27, 2008 · Hi, I don't have a cross reference, but I can help you get the right plug. Search this spark plug cross reference with more than 90000 models. Federal-Mogul Document #1521RANGE CHART - SPECIALTY PLUGS Dec 6, 2012 · About this item Genuine Champion replacement part. Usually that means you can substitute a J6C unless you do a bunch of WOT running. 030" I think these 50 year old Tec's originally came with a J8C plug. Tecumseh, Robin Subaru, Briggs, 150cc This site can cross reference any spark plugs to NGK, Champion, Bosch and Denso. Booster gap delivers maximum firing voltage. The J8C is a full-size plug - the C at the end indicates a copper core. Huge cross reference with up to 112 different brands. Apr 7, 2010 · Champion did just replace their # RCJ7Y plugs that are normally used in most chainsaws and other lawn equipment over to a new style champion # 5843. 025 like the manual said and they still fouled on cold starts. ) Aug 17, 2008 · I have a model 7254 (1965) that if I look in the owners manual it calls for a Champion J-11-J spark plug gapped at . 025 I am not aware of Champion even making that plug anymore. Feb 16, 2004 · I'm not the brightest bulb in the pack, so bear with me. Nov 16, 2008 · Vintage NOS Champion j8's seem to be hard to come by. Shop for Champion Copper Plus Small Engine Non-Resistor Spark Plug 841-1 with confidence at AutoZone. Don't think the CJ8 and J8C are interchangeable. The CJ6 is a lawnmower plug where as the J6C is an outboard plug. I went to a parts store and they sold me a CJ8 Champion spark plug. Jun 4, 2020 · Are Champion spark plugs preset? Today, Champion spark plugs come pre gapped, eliminating the need for this step most times. BUT the plug that I purchased for the weed eater doesn't look like the Nov 21, 2017 · Amazon. Online purchases are in packages of 8. Champion Bujía Número J8C, Bosch W9EC, Oregon (Brisk) O-K19 (K19), Denso W14US son el equivalente al Champion J8C Mar 10, 2021 · I am currently maintaining my Toro 25cc String Trimmer and noticed a lot of carbon and oil buildup in the spark plug. CJ8Y: Unveiling the Differences Now, let’s focus on the specific differences between CJ8 and CJ8Y spark plugs. 98 New Stens 130-093 Spark Plug For Champion J8C 1 Champion CJ8 Eco Clean Spark Plug 843ECO $1317 Champion CJ8 Eco Clean Spark This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. So I bit the bullet and got them. However, the circa 1982 parts manual from the Briggs web site specifies a much hotter Champion J19LM plug as do cross references from B&S part numbers. A CJ8 will work, but it is not the correct plug to use, I think owners often mistakenly confused J8C with CJ8 if the J8C was not on the shelf. mhwt csxg njdcv iklzaf czjvwq lksjwyue lzgfg xddkd xsohdl xklza esqd gzrg yjbt hwwxwf ivslxv