{"product_id":"narcilors-marine-spark-plug-wire-leads-7-7mm-kevlar-core-3-piece-set-for-18-8819-1","title":"Narcilors Marine Spark Plug Wire Leads 7\" 7mm Kevlar Core 3-Piece Set for 18-8819-1","description":"\u003cp\u003e\u003cstrong\u003eNarcilors 3 Pcs 18-8819-1 are 7-inch, 7mm marine spark plug wire leads built with a Kevlar core and stainless-steel conductor for durable, high-conductivity ignition connections on compatible outboard engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese replacement spark plug wires are engineered for marine use and sold as a set of three, designed to match the 18-8819-1 specification used on several Mercury\/Mariner and Chrysler Force outboard motors. The wires combine a heat-resistant silicone jacket, a high-strength Kevlar inner core, and stainless-steel terminals to resist corrosion and carry ignition energy efficiently in demanding wet and high-temperature environments.\u003c\/p\u003e\n\n\u003ch3\u003eWill these wires fit my engine model?\u003c\/h3\u003e\n\u003cp\u003eThey are manufactured to the 18-8819-1 fitment specification and intended for 7\" replacement on select Mercury\/Mariner and Chrysler Force outboards. Check your engine parts list or existing wire part number to confirm compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces part number 18-8819-1\u003c\/li\u003e\n  \u003cli\u003eLength: 7 inches; Core diameter: 7 mm\u003c\/li\u003e\n  \u003cli\u003eCommon fit: Mercury\/Mariner and Chrysler Force engines that list 18-8819-1\u003c\/li\u003e\n  \u003cli\u003eSold as a 3-piece set to replace multiple cylinder leads\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and weather-resistant are these marine spark plug leads?\u003c\/h3\u003e\n\u003cp\u003eDurability is a design priority: a Kevlar core provides tensile strength, while the outer silicone jacketing protects against heat and ozone exposure common in marine environments. Stainless-steel wound conductors and corrosion-resistant terminals help maintain conductivity where saltwater and humidity are present.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eKevlar core for high tensile strength and flex resistance\u003c\/li\u003e\n  \u003cli\u003ePremium silicone jacket for heat and ozone protection\u003c\/li\u003e\n  \u003cli\u003eStainless-steel wound conductor and terminals to resist corrosion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools are needed?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine maintenance: remove the old lead, seat the stainless-steel terminals firmly on the plug and distributor\/coil, and route the new wire securely away from hot or moving parts. No special tools are required beyond common hand tools and possibly dielectric grease for sealing terminals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect 7\" replacement—no trimming required if matching length\u003c\/li\u003e\n  \u003cli\u003ePush-on stainless-steel terminals for simple seating\u003c\/li\u003e\n  \u003cli\u003eUse common pliers\/screwdrivers and optional dielectric grease for better sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance aspects should I expect after replacing wires?\u003c\/h3\u003e\n\u003cp\u003eThese leads are built to preserve efficient ignition transfer rather than to increase horsepower; their low-resistance stainless-steel conductor and secure terminals help maintain consistent spark delivery and reliable engine starts. Replacing worn or corroded leads can reduce misfires and restore normal engine behavior caused by degraded connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLow-resistance stainless-steel conductor for steady spark delivery\u003c\/li\u003e\n  \u003cli\u003eQuality terminals to reduce signal loss from corrosion\u003c\/li\u003e\n  \u003cli\u003eSilicone jacketing to retain insulation under heat and humidity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These Narcilors 3-piece 7\" 7mm spark plug wire leads are for boat owners, marine technicians, and DIYers who need direct-fit replacements for engines that specify part number 18-8819-1. If you prioritize corrosion resistance, heat protection, and a robust core in a compact 7-inch lead—especially for Mercury\/Mariner or Chrysler Force outboard motors—this set is intended to match those requirements and restore reliable ignition on affected cylinders.\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: Do these wires replace part number 18-8819-1?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. These Narcilors leads are made to replace part number 18-8819-1 for compatible engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these wires resistant to saltwater corrosion?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They use stainless-steel terminals and a silicone jacket to improve resistance to corrosion in marine conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Narcilors","offers":[{"title":"Default Title","offer_id":48084382515358,"sku":"B0DRCQZKZC","price":30.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/narcilors-front-packaging-3pcs-7inch.jpg?v=1785852698","url":"https:\/\/northtrailauto.ca\/products\/narcilors-marine-spark-plug-wire-leads-7-7mm-kevlar-core-3-piece-set-for-18-8819-1","provider":"North Trail Auto","version":"1.0","type":"link"}