{"product_id":"mercury-ngk-br7hs-4-4-33-8m0181925","title":"Mercury – Spark Plug | NGK BR7HS-10 Series | Marine-Grade Metal \u0026amp; Ceramic | 8M0181925","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Spark Plug | NGK BR7HS-10 Series | Marine-Grade Metal \u0026amp; Ceramic | 8M0181925\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\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\"\u003eThere’s a certain confidence that comes from hitting the ignition and hearing your engine fire instantly, cleanly, and without hesitation. It’s that little moment—whether you’re drifting near the mangroves or gearing up for a long run offshore—that reminds you your boat is ready. The Quicksilver 8M0181925 NGK BR7HS-10 Spark Plug helps deliver that feeling every time. Built for dependable starts and steady performance, it’s the kind of small but essential Mercury Marine part that keeps your motor feeling strong, responsive, and trustworthy.\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\"\u003eNGK BR7HS-10 spark plug engineered for marine performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePre-gapped to 1 mm to meet engine manufacturer specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable alumina-silicate ceramic insulator for improved heat transfer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eRibbed suppressor seal reduces misfires and prevents spark flash-over\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTriple-seal construction for long-lasting reliability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePack of 10 plugs for full engine servicing\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 for Mercury and Mariner engines requiring NGK BR7HS-10 plugs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for select 2-stroke outboard applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eId\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeal for small to mid-horsepower fishing boats, runabouts, and utility craft\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with engines using standard-heat-range NGK plugs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlways confirm fitment using your engine owner’s manual\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\"\u003eA fresh set of spark plugs can transform how your engine feels on the water. Wi\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eth this Mercury Marine part, you’ll notice smoother starts, more consistent throttle response, and a cleaner idle—especially after replacing all plugs at the same time. The pre-gapped design removes guesswork, while the robust ceramic insulator keeps heat under control during long hours of operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEach plug is built to withstand tough marine conditions, from heavy humidity to wide temperature swings. The trivalent metal plating resists corrosion and prevents seizing, making removal at your next service simple and frustration-free. On the water, it translates to steady power, fewer hiccups, and the secure feeling that your engine is breathing exactly the way it should.\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\"\u003eWit\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eh something as critical as spark plugs, precision matters. Aftermarket versions often look fine on the outside, yet small differences in heat range or electrode quality can lead to hard starts, wasted fuel, or long-term engine wear. Using this Mercury Marine part ensures you’re installing exactly what the manufacturer specifies—nothing more, nothing less.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eNGK BR7HS-10 plug in this kit is engineered to work in harmony with Mercury’s ignition timing, fuel delivery, and combustion design. It’s cost-effective, dependable, and built to make your maintenance simple. Boaters who’ve learned from experience will tell you: stick with OEM-trusted plugs and your engine will thank you with years of clean, confident performance.\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 engines does the 8M0181925 NGK BR7HS-10 Spark Plug fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury and Mariner engines that specifically call for the NGK BR7HS-10 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 spark plug better than aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s built to Mercury Marine specifications, ensuring the correct heat range, gap, and materials for optimal combustion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine owner’s manual or the emissions label on your engine cowling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in saltwater and freshwater applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—its anti-corrosion plating is designed for harsh marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters can install them with a standard spark plug socket; just verify the gap before installation.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940551610659,"sku":"33-8M0181925","price":4.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/828942_3.jpg?v=1761308212","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-ngk-br7hs-4-4-33-8m0181925","provider":"PartsVu","version":"1.0","type":"link"}