{"product_id":"heurofosh-6-inch-spark-plug-wire-set-for-omc-johnson-evinrude-v4-v6-4-pack-stainless-core-silicone-insulation","title":"Heurofosh 6-inch Spark Plug Wire Set for OMC Johnson Evinrude V4\/V6 — 4-Pack, Stainless Core \u0026 Silicone Insulation","description":"\u003cp\u003e\u003cstrong\u003eHeurofosh 6\" spark plug wire set replaces OEM 582365 and compatible Johnson\/Evinrude leads to restore reliable ignition for V4 and V6 outboard motors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese four 6-inch ignition leads from Heurofosh are built to fit many OMC applications, including Johnson and Evinrude outboards. Constructed with stainless steel conductors and silicone insulation, the set is engineered to withstand heat and engine bay exposure while maintaining consistent spark delivery. The kit is sold as a pack of four wires and is cross-referenced to several OEM and aftermarket part numbers for straightforward replacement.\u003c\/p\u003e\n\n\u003ch3\u003eWill these spark plug wires fit my Johnson or Evinrude outboard?\u003c\/h3\u003e\n\n\u003cp\u003eCompatibility covers many common OMC models; cross-references include Johnson 582134, 582135, 582365 and Sierra 18-8816, among others. Always match the physical connector type and 6\" length to your motor to confirm fit.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLength: 6 inches per wire, sold as a set of 4\u003c\/li\u003e\n  \u003cli\u003eCross-replaces: 582134, 582135, 582365, 777703, 802466, 802505\u003c\/li\u003e\n  \u003cli\u003eAlso replaces CDI 931-2365, Mallory 9-28005\/9-28006, Sierra 18-8816\u003c\/li\u003e\n  \u003cli\u003eConfirm connector style and routing before ordering\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these wires built to handle marine conditions?\u003c\/h3\u003e\n\n\u003cp\u003eHeurofosh combines stainless steel conductors with high-temperature silicone insulation to resist corrosion, heat, and oil exposure common in outboard engine compartments. The silicone jacket keeps flexibility across temperature changes, helping maintain a consistent electrical path for spark transfer.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eStainless steel core for durable conductivity\u003c\/li\u003e\n  \u003cli\u003eSilicone insulation for heat and moisture resistance\u003c\/li\u003e\n  \u003cli\u003eEngineered to minimize electrical leakage and interference\u003c\/li\u003e\n  \u003cli\u003eDurable connectors designed for marine vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and maintenance benefits can I expect?\u003c\/h3\u003e\n\n\u003cp\u003eReplacing aging or damaged plug wires restores dependable ignition timing and can reduce misfires, hard starts, and rough idling without altering engine tuning. New leads also reduce the chance of arcing and radio-frequency interference that can impact onboard electronics.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eImproved ignition reliability and smoother running\u003c\/li\u003e\n  \u003cli\u003eLower risk of spark leakage and arcing\u003c\/li\u003e\n  \u003cli\u003eEasier troubleshooting with clearly matched replacement parts\u003c\/li\u003e\n  \u003cli\u003eSimple swap—no special tools beyond standard hand tools\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and inspect these spark plug wires?\u003c\/h3\u003e\n\n\u003cp\u003eInstallation is a direct replacement: remove one old lead at a time, install the new 6\" wire onto the spark plug and the coil\/plug cap to preserve firing order. Inspect boots and crimps for secure seating and check for signs of heat damage or chafing after the first run.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eReplace one wire at a time to keep firing order correct\u003c\/li\u003e\n  \u003cli\u003eEnsure tight, fully seated connections at plug and coil ends\u003c\/li\u003e\n  \u003cli\u003eRoute away from sharp edges and high-heat exhaust paths\u003c\/li\u003e\n  \u003cli\u003eRecheck after a short run for secure fit and absence of arcing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Heurofosh 6\" spark plug wire set is aimed at boat owners, marine technicians, and DIYers working on OMC Johnson and Evinrude V4\/V6 outboards who need a direct-fit, heat-resistant replacement. It suits routine maintenance, mid-season repairs, or anyone replacing brittle or failing ignition leads who wants a cost-effective, engineered alternative to OEM wires. If you are unsure about fit, compare the 6\" length and connector types listed here with your existing leads before purchasing.\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: Are these wires a direct replacement for Johnson 582365?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The Heurofosh 6\" set cross-replaces Johnson 582365 and several related OMC part numbers; confirm connector type and length before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many wires are included and what length are they?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The package includes four spark plug wires, each 6 inches long, sold as a complete set for V4 or partial V6 applications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Heurofosh","offers":[{"title":"Default Title","offer_id":48084899365022,"sku":"B0DBHFQ477","price":35.73,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/heurofosh-front-packaging.jpg?v=1785865595","url":"https:\/\/northtrailauto.ca\/products\/heurofosh-6-inch-spark-plug-wire-set-for-omc-johnson-evinrude-v4-v6-4-pack-stainless-core-silicone-insulation","provider":"North Trail Auto","version":"1.0","type":"link"}