{"product_id":"584477-582995-802371a1-18-5181-ignition-coil-for-johnson-evinrude-jlm-marine","title":"584477 582995 802371A1 18-5181 Ignition Coil for Johnson Evinrude | JLM Marine","description":"\u003ch2\u003eIgnition Coil – Fits Johnson\/Evinrude Outboard 1.5–40 HP (1949–1990)\u003c\/h2\u003e\n\n\u003cp\u003eThis aftermarket ignition coil is engineered to deliver reliable spark performance for a wide range of Johnson and Evinrude outboard engines from \u003cstrong\u003e1.5 HP to 40 HP\u003c\/strong\u003e, spanning model years \u003cstrong\u003e1949 through 1990\u003c\/strong\u003e. It provides a direct replacement solution for vintage and classic OMC outboards across multiple horsepower classes and decades of production.\u003c\/p\u003e\n\n\u003cp\u003eThis coil directly replaces OEM part numbers \u003cstrong\u003e584477\u003c\/strong\u003e, \u003cstrong\u003e582995\u003c\/strong\u003e, \u003cstrong\u003e802371A1\u003c\/strong\u003e, and aftermarket equivalent \u003cstrong\u003e18-5181\u003c\/strong\u003e, along with numerous other Johnson\/Evinrude, Mercury Marine, CDI, GLM, Mallory, and Sierra part numbers, ensuring broad compatibility and easy cross-referencing.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDesigned for dependable ignition performance on classic Johnson\/Evinrude 2-stroke outboards\u003c\/li\u003e\n  \u003cli\u003eDirect fit for engines ranging from small 1.5 HP units to larger 40 HP models\u003c\/li\u003e\n  \u003cli\u003eReplaces multiple OEM and aftermarket part numbers for simplified sourcing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Cross-Reference\u003c\/h2\u003e\n\n\u003cp\u003eUse this table to confirm equivalent part numbers across OEM and aftermarket brands.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eCDI\u003c\/td\u003e\n\u003ctd\u003e183-4477\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eGLM\u003c\/td\u003e\n\u003ctd\u003e72100\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0580416\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0580971\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0582370\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0582931\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0582995\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0584477\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0777659\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0580118\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard\u003c\/td\u003e\n\u003ctd\u003e0580197\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMallory\u003c\/td\u003e\n\u003ctd\u003e9-23102\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e802371\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eMercury Marine\u003c\/td\u003e\n\u003ctd\u003e802371A1\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eSierra\u003c\/td\u003e\n\u003ctd\u003e18-5181\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eCompatible Engine Models\u003c\/h2\u003e\n\n\u003cp\u003eConfirm your engine model\/year in the table below. For Johnson\/Evinrude owners, here's a guide to help you identify your engine's serial\/model: \u003ca href=\"https:\/\/jlmmarine.com\/blogs\/serial-number-guide\/johnson-serial-number-guide\" rel=\"nofollow noopener\" target=\"_blank\"\u003eJohnson Serial Number Guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n        \u003cth\u003eBrand\u003c\/th\u003e\n        \u003cth\u003eModel\u003c\/th\u003e\n        \u003cth\u003eRated HP\u003c\/th\u003e\n        \u003cth\u003eYears\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e1.5–2 HP\u003c\/td\u003e\n\u003ctd\u003e1968–1990\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e3 HP\u003c\/td\u003e\n\u003ctd\u003e1950–1976\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e4 HP\u003c\/td\u003e\n\u003ctd\u003e1950–1976\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e5 HP\u003c\/td\u003e\n\u003ctd\u003e1950–1976\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e5.5 HP\u003c\/td\u003e\n\u003ctd\u003e1950–1976\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e6 HP\u003c\/td\u003e\n\u003ctd\u003e1950–1976\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e7.5 HP\u003c\/td\u003e\n\u003ctd\u003e1954–1958\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e9.5 HP\u003c\/td\u003e\n\u003ctd\u003e1964–1973\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e10 HP\u003c\/td\u003e\n\u003ctd\u003e1949–1963\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e15 HP\u003c\/td\u003e\n\u003ctd\u003e1951–1972\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e18 HP\u003c\/td\u003e\n\u003ctd\u003e1951–1972\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e20 HP\u003c\/td\u003e\n\u003ctd\u003e1951–1972\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e25 HP\u003c\/td\u003e\n\u003ctd\u003e1951–1972\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e28 HP\u003c\/td\u003e\n\u003ctd\u003e1956–1970\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e30 HP\u003c\/td\u003e\n\u003ctd\u003e1956–1970\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e33 HP\u003c\/td\u003e\n\u003ctd\u003e1956–1970\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e35 HP\u003c\/td\u003e\n\u003ctd\u003e1956–1970\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr\u003e\n\u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n\u003ctd\u003eOutboard\u003c\/td\u003e\n\u003ctd\u003e40 HP\u003c\/td\u003e\n\u003ctd\u003e1960–1973\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOEM Number\u003c\/td\u003e\n\u003ctd\u003e584477, 582995, 802371A1, 18-5181\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eJohnson\/Evinrude Outboard Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHorsepower Range\u003c\/td\u003e\n\u003ctd\u003e1.5–40 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eYear Range\u003c\/td\u003e\n\u003ctd\u003e1949–1990\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cp\u003eThis package includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003cspan style=\"color:red;\"\u003e\u003cstrong\u003e1 × Ignition Coil\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect the battery\u003c\/strong\u003e or remove the spark plug wire to prevent accidental engine start during service.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLocate the ignition coil\u003c\/strong\u003e mounted on the engine block or flywheel assembly. Reference your service manual if needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisconnect the primary and secondary wire terminals\u003c\/strong\u003e from the old coil, noting their positions for correct reconnection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemove the mounting screws\u003c\/strong\u003e securing the coil to the engine and carefully lift the old coil away.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean the mounting surface\u003c\/strong\u003e to ensure proper grounding and secure installation of the new coil.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePosition the new ignition coil\u003c\/strong\u003e in place, aligning mounting holes with the engine bracket or flywheel mount.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstall and tighten the mounting screws\u003c\/strong\u003e to the torque specified in your service manual; avoid over-tightening.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect the primary and secondary wires\u003c\/strong\u003e to the corresponding terminals on the new coil, ensuring snug connections.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify all electrical connections\u003c\/strong\u003e are secure and that no wires are pinched or chafing against moving parts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReconnect the battery or spark plug wire\u003c\/strong\u003e and perform a visual inspection of the installation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStart the engine and test for proper ignition\u003c\/strong\u003e; the engine should fire smoothly without misfires or hesitation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCheck for any unusual vibrations or loose fittings\u003c\/strong\u003e and re-tighten as necessary before returning to normal operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this ignition coil fits my engine?\u003c\/strong\u003e\u003cbr\u003e\nCross-reference your original OEM part number with the part number table above, or verify your engine model and year in the compatibility table. If your engine falls within the listed horsepower (1.5–40 HP) and year range (1949–1990) for Johnson\/Evinrude, this coil should fit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat are the signs that my ignition coil is failing?\u003c\/strong\u003e\u003cbr\u003e\nCommon symptoms include hard starting, misfires, rough idle, loss of power at high RPM, or no spark at the plug. Use a spark tester to confirm coil output before replacement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCan I install this coil myself, or do I need a mechanic?\u003c\/strong\u003e\u003cbr\u003e\nInstallation is straightforward for users with basic mechanical skills and tools. However, proper electrical connections and grounding are critical; if you're unsure, consult a qualified marine technician.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow often should I replace the ignition coil?\u003c\/strong\u003e\u003cbr\u003e\nIgnition coils typically last many years under normal use. Replace the coil when you experience ignition-related symptoms or during a comprehensive tune-up if the coil tests outside specification.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between OEM and aftermarket ignition coils?\u003c\/strong\u003e\u003cbr\u003e\nThis listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.\u003c\/p\u003e\n\n\u003ch2\u003eImportant Notes\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003eVerify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.\u003c\/li\u003e\n  \u003cli\u003eThis product is an aftermarket replacement part and is not an OEM component.\u003c\/li\u003e\n  \u003cli\u003eProfessional installation is recommended to ensure safety and optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose JLM MARINE?\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e As a trusted manufacturer for over 20 years, we supply top marine brands globally.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFast Global Shipping:\u003c\/strong\u003e Free delivery worldwide in 5–15 days.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect from Manufacturer:\u003c\/strong\u003e Competitive pricing without compromising quality.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JLM Marine","offers":[{"title":"Default Title","offer_id":51981021479225,"sku":"24IC491","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0885\/0433\/6697\/files\/12_d47f06db-ddbc-408e-89e6-1f7d7ba76fa0.jpg?v=1772414712","url":"https:\/\/jlmmarine.com\/products\/584477-582995-802371a1-18-5181-ignition-coil-for-johnson-evinrude-jlm-marine","provider":"JLM Marine Boat Parts Limited","version":"1.0","type":"link"}