{"product_id":"spark-plug-ignition-coil-wires-fits-johnson-evinrude-v4-v6-10-235-hp-replaces-582365-18-8818","title":"Spark Plug Ignition Coil Wires – Fits Johnson\/Evinrude V4-V6 10-235 HP (Replaces 582365, 18-8818)","description":"\u003cstyle\u003e\n  \/* Outer container allows horizontal scrolling (with iOS momentum) *\/\n  .ss-table-wrap { overflow-x:auto; -webkit-overflow-scrolling:touch; }\n\n  \/* Base table styles *\/\n  table.ss-table { width:100%; border-collapse:collapse; min-width:640px; }\n  table.ss-table th, table.ss-table td {\n    padding:10px 12px; border:1px solid #e5e7eb; text-align:left; vertical-align:top;\n  }\n\n  \/* Key: prevent wrapping, word breaks, and vertical text in headers *\/\n  table.ss-table th {\n    white-space:nowrap;       \/* Do not wrap *\/\n    word-break:normal;        \/* Don’t break words *\/\n    letter-spacing:normal;    \/* Prevent theme styles from stretching letters *\/\n    font-weight:600;\n    background:#f8fafc;\n  }\n\n  \/* Small screen optimization *\/\n  @media (max-width:480px){\n    table.ss-table th, table.ss-table td { padding:8px 10px; font-size:14px; }\n  }\n\u003c\/style\u003e\n\u003csection\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eThese \u003cstrong\u003e12\" Spark Plug Ignition Coil Wires\u003c\/strong\u003e are designed for a wide range of Johnson and Evinrude V4 and V6 outboard engines from 10 to 235 HP, primarily covering models from the 1980s and 1990s. They provide a reliable, high-performance connection between the ignition coil and spark plug, ensuring efficient engine operation.\u003c\/p\u003e\n\u003cp\u003eThis kit serves as a direct interchange for Johnson\/Evinrude part numbers 582134, 582135, 582365, 777703, 802466, and 802505, as well as aftermarket equivalents from CDI (931-2365), Mallory (9-28005, 9-28006), and Sierra (18-8818).\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003eDesigned for direct OEM-replacement installation.\u003c\/li\u003e\n    \u003cli\u003eConstructed with a silicone housing and stainless steel conductors for high-temperature protection.\u003c\/li\u003e\n    \u003cli\u003eIncludes a complete set of four wires for convenient replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePart Number Matrix\u003c\/h2\u003e\n\u003cp\u003eUse this matrix to confirm equivalent references across OEM and aftermarket.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Part Number Matrix\"\u003e\n    \u003cthead\u003e\n      \u003ctr\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\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e582134\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e582135\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e582365\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e777703\u003c\/td\u003e\n      \u003c\/tr\u003e\n       \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e802466\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003e802505\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eCDI\u003c\/td\u003e\n        \u003ctd\u003e931-2365\u003c\/td\u003e\n       \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-28005\u003c\/td\u003e\n      \u003c\/tr\u003e\n        \u003ctr\u003e\n        \u003ctd\u003eMallory\u003c\/td\u003e\n        \u003ctd\u003e9-28006\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eSierra\u003c\/td\u003e\n        \u003ctd\u003e18-8818\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eEngine \u0026amp; Model Compatibility\u003c\/h2\u003e\n\u003cp\u003eConfirm your engine model\/year in the table below.\u003c\/p\u003e\n\u003cp\u003eFitment information is based on manufacturer cross-references for Johnson\/Evinrude outboards. Always verify your specific OEM part number before ordering.\u003c\/p\u003e\n\u003cdiv class=\"ss-table-wrap\"\u003e\n  \u003ctable class=\"ss-table\" aria-label=\"Engine \u0026amp; Model Compatibility\"\u003e\n    \u003cthead\u003e\n      \u003ctr\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        \u003cth\u003eOEM Part No.\u003c\/th\u003e\n        \u003cth\u003eNotes\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\u003eV4\/V6 CROSSFLOW\u003c\/td\u003e\n        \u003ctd\u003e90-235\u003c\/td\u003e\n        \u003ctd\u003e1980s–1990s\u003c\/td\u003e\n        \u003ctd\u003e582365\u003c\/td\u003e\n        \u003ctd\u003eFits most Johnson Evinrude 90\/100\/115\/120\/125\/130\/135\/140\/150\/155\/175\/185\/200\/235 HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003eJohnson\/Evinrude\u003c\/td\u003e\n        \u003ctd\u003eSmall Outboards\u003c\/td\u003e\n        \u003ctd\u003e10-75\u003c\/td\u003e\n        \u003ctd\u003e\u003c\/td\u003e\n        \u003ctd\u003e582365\u003c\/td\u003e\n        \u003ctd\u003eFits Johnson Evinrude 10\/15\/20\/25\/30\/40\/45\/50\/55\/60\/65\/70\/75 HP\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cdl\u003e\n    \u003cdt\u003eProduct Type\u003c\/dt\u003e\n\u003cdd\u003eSpark Plug Ignition Coil Wires\u003c\/dd\u003e\n    \u003cdt\u003eInstallation\u003c\/dt\u003e\n\u003cdd\u003eDirect OEM replacement\u003c\/dd\u003e\n    \u003cdt\u003eFuel Type\u003c\/dt\u003e\n\u003cdd\u003eGasoline\u003c\/dd\u003e\n    \u003cdt\u003eConnection\u003c\/dt\u003e\n\u003cdd\u003eSpark plug end and ignition coil end\u003c\/dd\u003e\n    \u003cdt\u003eHousing Material\u003c\/dt\u003e\n\u003cdd\u003eSilicone with stainless steel conductors\u003c\/dd\u003e\n    \u003cdt\u003eHousing Color\u003c\/dt\u003e\n\u003cdd\u003eBlack with red stripe\u003c\/dd\u003e\n    \u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e12 inches (304.8 mm) length\u003c\/dd\u003e\n    \u003cdt\u003eFitting Type\u003c\/dt\u003e\n\u003cdd\u003eOEM-compatible spark plug and coil ends\u003c\/dd\u003e\n    \u003cdt\u003eOther Technical Attributes\u003c\/dt\u003e\n\u003cdd\u003eHigh-temperature protection, maximizes engine performance\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch2\u003eWhat’s in the Box\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cspan style=\"color:#d0021b;\"\u003e4 x\u003c\/span\u003e 12\" Spark Plug Ignition Coil Wires (18-8818\/582365)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003col\u003e\n    \u003cli\u003eDisconnect the boat's battery to prevent electrical hazards.\u003c\/li\u003e\n    \u003cli\u003eLabel each existing spark plug wire with its corresponding cylinder number before removal.\u003c\/li\u003e\n    \u003cli\u003eReplace one wire at a time to avoid mixing up cylinder connections. Gently twist and pull the boot to remove the old wire from the spark plug and ignition coil.\u003c\/li\u003e\n    \u003cli\u003eLightly apply dielectric grease to the inside of the new wire's boots for better sealing and easier future removal.\u003c\/li\u003e\n    \u003cli\u003eFirmly press the new wire's boots onto the spark plug and ignition coil until you feel them click into place.\u003c\/li\u003e\n    \u003cli\u003eEnsure each wire is routed correctly and safely away from hot or moving engine parts.\u003c\/li\u003e\n    \u003cli\u003eAfter replacing all wires, reconnect the battery and start the engine to test for smooth operation.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eHow do I know if these wires fit my engine?\u003c\/summary\u003e\n    \u003cp\u003eThe best way to confirm fitment is to match your existing part number to one of the equivalents listed in our Part Number Matrix. While these wires fit a broad range of Johnson\/Evinrude models, checking the part number is the most reliable method.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWhat are the signs of failing ignition wires?\u003c\/summary\u003e\n    \u003cp\u003eCommon symptoms include engine misfires (especially under load), rough idling, reduced power, poor fuel economy, and visible signs of wear on the wires themselves, such as cracks, burns, or corrosion on the terminals.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eCan I cut these wires to a shorter length?\u003c\/summary\u003e\n    \u003cp\u003eNo. These wires are designed to a specific length and resistance. Cutting them will alter their performance and can lead to engine issues or premature failure. Order the correct length for your application.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eHow often should I replace ignition coil wires?\u003c\/summary\u003e\n    \u003cp\u003eThere is no fixed interval, but it's good practice to inspect them annually for signs of wear or damage. Many mechanics recommend replacement every 3-5 years or as part of a major tune-up, depending on usage and operating conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eIs there a difference between these and original OEM wires?\u003c\/summary\u003e\n    \u003cp\u003eFunctionally, these are designed to perform identically to the original equipment. They are made with high-quality silicone and stainless steel conductors to meet or exceed OEM specifications for conductivity and heat resistance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWill these work for both 2-stroke and 4-stroke engines?\u003c\/summary\u003e\n    \u003cp\u003eThese wires are primarily designed for the 2-stroke V4 and V6 Johnson\/Evinrude engines common from the 1980s and 1990s. Always verify your specific model's part number to ensure compatibility.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eOEM vs. Aftermarket?\u003c\/summary\u003e\n    \u003cp\u003eThis listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eShipping speed \u0026amp; cost\u003c\/summary\u003e\n    \u003cp\u003eWe ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n    \u003csummary\u003eWarranty \u0026amp; returns\u003c\/summary\u003e\n    \u003cp\u003eCovered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused \u0026amp; in original condition). See our policy page or reach out for instructions.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eSafety \u0026amp; Important Info\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eVerify images\/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.\u003c\/li\u003e\n    \u003cli\u003eThis is an aftermarket replacement, not an OEM component.\u003c\/li\u003e\n    \u003cli\u003eProfessional installation is recommended for safety and performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAbout Sea Sierra\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003ePro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.\u003c\/li\u003e\n    \u003cli\u003eFast Global Fulfillment — Free standard delivery to most regions in 5–15 days.\u003c\/li\u003e\n    \u003cli\u003eManufacturer-Direct Value — Fair pricing without compromising on materials or QC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/section\u003e","brand":"SeaSierra","offers":[{"title":"Default Title","offer_id":50717906829627,"sku":"ET-24SP081-4","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8673\/8747\/files\/ET-24SP081-4.png?v=1762938102","url":"https:\/\/seasierra.com\/products\/spark-plug-ignition-coil-wires-fits-johnson-evinrude-v4-v6-10-235-hp-replaces-582365-18-8818","provider":"SeaSierra","version":"1.0","type":"link"}