{"product_id":"mercury-plug-ilfr6ge-4-33-889246q39","title":"Mercury – NGK ILFR6GE Laser Iridium Spark Plug | Ignition Component | Steel and Ceramic | 889246Q39","description":"\u003ch2\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eMercury – \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNGK ILFR6GE Laser Iridium Spark Plug | Ignition Component | Steel and Ceramic | 889246Q39\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s something reassuring about a spark plug you never have to second-guess. The NGK ILFR6GE Laser Iridium plug has that kind of quiet reliability — the kind you only notice after a season of clean starts, smooth idle, and none of the hesitation that can make your stomach drop when you’re loading the boat for an early run. It delivers that crisp fire you need whether you’re easing out of the marina or pushing across choppy water with the wind in your face. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis is the plug you install once and trust, knowing it’s going to light up your Mercury engine without drama.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFine Wire Iridium center electrode designed for stable, consistent ignition\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePure alumina silicate ceramic insulator for strength and heat transfer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTrivalent metal plating for corrosion resistance in harsh marine conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePre-gapped as specified by Mercury Marine (gap should still be verified before installation)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRibbed suppressor seal to prevent flashover and reduce misfires\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCopper core construction supports long service life and dependable spark\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to meet Mercury Marine ignition specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits select Mercury FourStroke and Verado engines requiring NGK ILFR6GE plugs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for bass boats, offshore setups, runabouts, center consoles, pontoons, and family cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for engines that demand stable spark under varying load and temperature conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A high-quality spark plug doesn’t just fire — it changes the feel of the whole engine. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith this one, the throttle response is crisp, the idle is smooth, and the starts feel almost effortless. The Iridium tip holds its shape over time, so you don’t get that slow fade in performance that often shows up with cheaper plugs. You’ll notice steadier acceleration, fewer stumbles, and cleaner running when your motor is pushing hard on long stretches.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe ceramic insulator helps shed heat quickly, which keeps the firing consistent even when you’re running through hot afternoons or long slow-speed zones. And because the plug resists fouling, you spend less time pulling the cowling off and more time on the water actually enjoying the day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Using the correct Mercury Marine part matters more than most people realize. This plug is built to the exact specs Mercury expects, so it delivers the ignition timing and combustion stability your engine was designed around. Aftermarket substitutions may look similar, but they rarely hold up under the same heat, vibration, and moisture cycles. With the OEM plug, you’re protecting fuel economy, performance, and long-term engine health — and you’re avoiding those mysterious running issues that always seem to show up at the worst time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does this spark plug fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury engines that specify the NGK ILFR6GE plug in the owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this plug better than aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It maintains stable spark longer, resists fouling, and meets Mercury’s exact ignition requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the right replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s owner’s manual; if it calls for NGK ILFR6GE, this is the correct plug.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, the plating and insulator materials are designed for long-term marine exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation simple?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boat owners can replace these using a standard spark plug socket.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932975223075,"sku":"PV491885","price":25.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV491885.jpg?v=1698781703","url":"https:\/\/partsvu.com\/fr\/products\/mercury-plug-ilfr6ge-4-33-889246q39","provider":"PartsVu","version":"1.0","type":"link"}