{"product_id":"bh-motor-ignition-coil-for-johnson-evinrude-4-300hp-direct-fit-replacement-replaces-582508","title":"BH-Motor Ignition Coil for Johnson \u0026 Evinrude 4–300HP — Direct-Fit Replacement (Replaces 582508)","description":"\u003cp\u003e\u003cstrong\u003eHigh-performance replacement ignition coil by BH-Motor engineered to fit Johnson and Evinrude outboards from 4HP up to 300HP, replacing part numbers 582508, 18-5179, and 183-2508.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis ignition coil is a direct-fit aftermarket replacement designed to restore spark reliability and consistent ignition timing on a wide range of Johnson and Evinrude outboard engines produced between the mid-1980s and early 2000s. Built to match OEM electrical characteristics and mounting points, the unit is intended for technicians and boat owners who need a dependable coil without sourcing original-brand stock. Below you’ll find fitment details, performance considerations, installation pointers, and who benefits most from this part.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Johnson and Evinrude models will this coil fit?\u003c\/h3\u003e\n\u003cp\u003eThe BH-Motor coil is compatible with many Johnson and Evinrude outboards across small to large horsepower ranges. Fitment covers various models from 4HP through 300HP across production years commonly used in recreational and light commercial boats.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces OEM part numbers: 582508, 18-5179, 183-2508.\u003c\/li\u003e\n  \u003cli\u003eCommon compatible engines: Johnson\/Evinrude 4hp Deluxe (1985–1999), 25hp (1985–1999), 30hp (1985–1999), 60hp (1985–2001).\u003c\/li\u003e\n  \u003cli\u003eAlso fits many intermediate models in the 4–300HP range; check engine serial\/catalog info for confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this coil improve engine starting and performance?\u003c\/h3\u003e\n\u003cp\u003eBy restoring proper secondary voltage and consistent spark timing, a good ignition coil helps reduce misfires, hard starting, and rough idling. This replacement is manufactured to reproduce the coil’s original electrical output and insulation for reliable performance under marine conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDelivers consistent high-voltage output to the spark plugs for dependable combustion.\u003c\/li\u003e\n  \u003cli\u003eDesigned to withstand saltwater environment stresses with durable insulation.\u003c\/li\u003e\n  \u003cli\u003eReduces erratic firing that causes sluggish starting or surging at various RPMs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I know before buying and installing this coil?\u003c\/h3\u003e\n\u003cp\u003eConfirming engine model, year, and the original part number is the simplest way to ensure correct fitment. Installation requires basic mechanical skills and simple hand tools; some models may need rotor removal or access through the flywheel area.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify part compatibility against your engine serial or OEM part list before purchase.\u003c\/li\u003e\n  \u003cli\u003eDisconnect battery and follow manufacturer safety steps before starting work.\u003c\/li\u003e\n  \u003cli\u003eTypical installation involves mounting the coil and connecting primary\/secondary leads to existing harnesses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect this coil to last, and how do I care for it?\u003c\/h3\u003e\n\u003cp\u003eService life varies with usage, moisture exposure, and electrical system condition; operating in corrosive marine environments reduces lifespan if seals or wiring are compromised. Regular inspection and keeping connectors clean will extend reliable service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect coil and wiring periodically for corrosion, cracks, or loose connections.\u003c\/li\u003e\n  \u003cli\u003eReplace spark plug wires and boots if brittle or damaged to avoid extra load on the coil.\u003c\/li\u003e\n  \u003cli\u003eIf engine shows recurring ignition issues, test coil resistance and secondary voltage with proper tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? This BH-Motor ignition coil is aimed at boat owners, marine mechanics, and restoration specialists seeking a cost-effective, OEM-replacement-quality coil for Johnson and Evinrude outboards manufactured approximately between 1985 and 2001. It suits anyone needing a direct-fit swap for common OEM part numbers 582508, 18-5179, or 183-2508 to bring an inboard\/outboard engine back to reliable operation without sourcing discontinued factory parts.\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: Does this coil directly replace Johnson\/Evinrude part 582508?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — this BH-Motor coil is engineered to replace OEM part 582508 and equivalent numbers like 18-5179 and 183-2508.\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: If you have basic tools and follow safety steps, yes. Disconnect power and follow engine-specific instructions; professional installation is recommended if unsure.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"BH-Motor","offers":[{"title":"Default Title","offer_id":48084852605086,"sku":"B07KXQTXZJ","price":34.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bh-motor-ignition-coil-front-view.jpg?v=1785863847","url":"https:\/\/northtrailauto.ca\/products\/bh-motor-ignition-coil-for-johnson-evinrude-4-300hp-direct-fit-replacement-replaces-582508","provider":"North Trail Auto","version":"1.0","type":"link"}