{"product_id":"somusen-dual-plug-ignition-coil-for-johnson-evinrude-omc-1987-1999-fits-2-175hp-oem-cross-reference","title":"Somusen dual plug ignition coil for Johnson Evinrude OMC 1987-1999 — fits 2–175HP, OEM cross-reference","description":"\u003cp\u003e\u003cstrong\u003eSomusen 583740 dual plug wire ignition coil delivers reliable spark generation for compatible Johnson, Evinrude and OMC outboard engines from 2HP up to 175HP.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen an outboard engine misfires, stumbles at idle, or loses top-end performance, the ignition coil is often the culprit. This Somusen replacement coil is engineered to match common OEM fitments (0583740, 583740, 583298, 879614, 18-5170, 183-3740) and works across a wide range of 2-, 4- and 6-cylinder Johnson\/Evinrude\/OMC motors built between 1987 and 1999. It aims to restore consistent spark delivery and dependable starting without the premium cost of an original manufacturer part.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this coil affect starting and running?\u003c\/h3\u003e\n\u003cp\u003eInstalling a healthy ignition coil helps re-establish a strong, consistent high-voltage pulse to the spark plugs. That improves cold starts, reduces misfires and supports smoother acceleration across the rev range. It doesn’t change engine timing or tuning, but it supplies the robust spark those systems require.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores reliable spark for quicker cold starts and fewer stalls.\u003c\/li\u003e\n  \u003cli\u003eHelps maintain steady idle and smooth throttle response.\u003c\/li\u003e\n  \u003cli\u003eSupports full horsepower potential up to 175HP when paired with healthy plugs and wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this Somusen coil compatible with my outboard model?\u003c\/h3\u003e\n\u003cp\u003eThis coil fits many Johnson, Evinrude and OMC outboards built from 1987 through 1999, covering small 2HP units up to larger 175HP engines. Check the part numbers stamped on your original coil (0583740, 583740, 583298, 879614, 18-5170, 183-3740) for a direct match. Verify cylinder count and connector style to be certain of fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCovered part numbers included for quick cross-reference.\u003c\/li\u003e\n  \u003cli\u003eWorks with 2-, 4- and 6-cylinder configurations.\u003c\/li\u003e\n  \u003cli\u003eDesigned for outboards from model years 1987–1999.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard ignition-coil replacement steps: remove battery ground, disconnect old coil leads, swap the mounting and plug in matching connectors, then recheck routing and clearances. Use proper torque on fasteners and inspect spark plug wires and caps while you’re servicing the coil. No special tuning is required after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple bolt-on replacement for like-for-like coil assemblies.\u003c\/li\u003e\n  \u003cli\u003eInspect and replace spark plug wires or caps if aged or cracked.\u003c\/li\u003e\n  \u003cli\u003eRe-test ignition system and perform a sea trial to confirm performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable is this replacement coil and what support comes with it?\u003c\/h3\u003e\n\u003cp\u003eConstructed from quality materials and factory tested, the Somusen coil is built to withstand the vibration and moisture exposure typical of marine environments. It’s manufactured to match OEM form and function so it can be a dependable long-term service part when installed correctly. Somusen also offers customer support for questions after purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered to meet durability expectations for marine ignition components.\u003c\/li\u003e\n  \u003cli\u003eFactory-tested before shipping to reduce early failures.\u003c\/li\u003e\n  \u003cli\u003eCustomer support available for installation or fitment queries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Marine DIYers, inboard\/outboard mechanics and fleet owners who need a cost-effective replacement ignition coil for late‑80s to late‑90s Johnson, Evinrude and OMC outboards. If you’re troubleshooting misfires, intermittent starting, or loss of power and your original coil carries one of the listed part numbers, this Somusen 583740 coil is a practical, ready-to-install option to restore ignition reliability.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Which part numbers does this Somusen coil replace?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It replaces 0583740, 583740, 583298, 879614, 18-5170 and 183-3740 for compatible outboards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this coil myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes; basic mechanical skills required—disconnect battery, swap coil and leads, then test ignition.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Somusen","offers":[{"title":"Default Title","offer_id":48084868563102,"sku":"B09V7PZ2BS","price":36.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/somusen-front-view-coil.jpg?v=1785864549","url":"https:\/\/northtrailauto.ca\/products\/somusen-dual-plug-ignition-coil-for-johnson-evinrude-omc-1987-1999-fits-2-175hp-oem-cross-reference","provider":"North Trail Auto","version":"1.0","type":"link"}