{"product_id":"mercury-ngk-bp8hn-10-10-33-816737q","title":"Mercury – Quicksilver 816737Q NGK BP8HN-10 V-Power Spark Plug | Sold Individually | OEM Marine Plug | 816737Q","description":"\u003cp data-start=\"0\" data-end=\"104\"\u003e\u003cstrong data-start=\"0\" data-end=\"102\"\u003eMercury – Quicksilver 816737Q NGK BP8HN-10 V-Power Spark Plug | Sold Individually | OEM Marine Plug | 816737Q\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"106\" data-end=\"109\"\u003e\n\u003ch3 data-start=\"111\" data-end=\"129\"\u003e\u003cstrong data-start=\"115\" data-end=\"127\"\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"130\" data-end=\"541\"\u003eA smooth-running engine starts with a good spark. The \u003cstrong data-start=\"184\" data-end=\"239\"\u003eQuicksilver 816737Q NGK BP8HN-10 V-Power Spark Plug\u003c\/strong\u003e gives your outboard or inboard the reliable ignition it needs for clean starts and consistent power. This genuine NGK plug features a \u003cstrong data-start=\"374\" data-end=\"395\"\u003e“V”-cut electrode\u003c\/strong\u003e that helps the spark jump more easily and burn fuel more efficiently — a small upgrade that makes a big difference in how your engine performs.\u003c\/p\u003e\n\u003cp data-start=\"543\" data-end=\"786\"\u003eEach plug comes pre-gapped to Mercury’s factory specs, so it’s ready to install right out of the box. Whether you’re chasing top speed or just want easy starts at the dock, this OEM plug helps your motor fire crisp and run strong every time.\u003c\/p\u003e\n\u003chr data-start=\"788\" data-end=\"791\"\u003e\n\u003ch3 data-start=\"793\" data-end=\"815\"\u003e\u003cstrong data-start=\"797\" data-end=\"813\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"818\" data-end=\"912\"\u003e\n\u003cstrong data-start=\"818\" data-end=\"830\"\u003ePurpose:\u003c\/strong\u003e Provides consistent, high-energy spark for better ignition and fuel efficiency.\u003c\/li\u003e\n\u003cli data-start=\"915\" data-end=\"1011\"\u003e\n\u003cstrong data-start=\"915\" data-end=\"927\"\u003eFitment:\u003c\/strong\u003e For Mercury and Mariner marine engines that specify \u003cstrong data-start=\"980\" data-end=\"996\"\u003eNGK BP8HN-10\u003c\/strong\u003e spark plugs.\u003c\/li\u003e\n\u003cli data-start=\"1014\" data-end=\"1113\"\u003e\n\u003cstrong data-start=\"1014\" data-end=\"1025\"\u003eDesign:\u003c\/strong\u003e Unique \u003cstrong data-start=\"1033\" data-end=\"1061\"\u003eV-Power center electrode\u003c\/strong\u003e directs spark to the edge for cleaner combustion.\u003c\/li\u003e\n\u003cli data-start=\"1116\" data-end=\"1216\"\u003e\n\u003cstrong data-start=\"1116\" data-end=\"1131\"\u003eDurability:\u003c\/strong\u003e \u003cstrong data-start=\"1132\" data-end=\"1159\"\u003eTrivalent metal plating\u003c\/strong\u003e prevents corrosion and seizing in marine environments.\u003c\/li\u003e\n\u003cli data-start=\"1219\" data-end=\"1319\"\u003e\n\u003cstrong data-start=\"1219\" data-end=\"1236\"\u003eConstruction:\u003c\/strong\u003e \u003cstrong data-start=\"1237\" data-end=\"1280\"\u003ePure alumina-silicate ceramic insulator\u003c\/strong\u003e improves strength and heat transfer.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1321\" data-end=\"1324\"\u003e\n\u003ch3 data-start=\"1326\" data-end=\"1363\"\u003e\u003cstrong data-start=\"1330\" data-end=\"1361\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1366\" data-end=\"1472\"\u003eFits multiple \u003cstrong data-start=\"1380\" data-end=\"1437\"\u003eMercury and Mariner outboards and MerCruiser inboards\u003c\/strong\u003e that call for NGK BP8HN-10 plugs\u003c\/li\u003e\n\u003cli data-start=\"1475\" data-end=\"1545\"\u003eCommon on high-performance two-stroke and four-stroke marine engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1547\" data-end=\"1550\"\u003e\n\u003ch3 data-start=\"1552\" data-end=\"1594\"\u003e\u003cstrong data-start=\"1556\" data-end=\"1592\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1595\" data-end=\"1905\"\u003eThe \u003cstrong data-start=\"1599\" data-end=\"1610\"\u003e816737Q\u003c\/strong\u003e spark plug delivers reliable firing under the demanding conditions of marine use. The “V” groove design improves ignitability, giving smoother idle, quicker starts, and cleaner throttle response. The copper core pulls heat away from the electrode for better temperature control and plug life.\u003c\/p\u003e\n\u003cp data-start=\"1907\" data-end=\"2154\"\u003eWith corrosion-resistant plating, these plugs stay easy to remove even after seasons in saltwater. Replace all your plugs at once and you’ll notice stronger acceleration, steadier RPMs, and more confident restarts after long runs or long layups.\u003c\/p\u003e\n\u003chr data-start=\"2156\" data-end=\"2159\"\u003e\n\u003ch3 data-start=\"2161\" data-end=\"2182\"\u003e\u003cstrong data-start=\"2165\" data-end=\"2180\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2183\" data-end=\"2467\"\u003eMercury-approved NGK plugs are built for marine duty — constant load, moisture, and heat. Automotive equivalents often can’t handle the same sustained stress or wet conditions. Using the correct OEM-specified plug ensures proper heat range, ignition timing, and overall reliability.\u003c\/p\u003e\n\u003cp data-start=\"2469\" data-end=\"2647\"\u003eA \u003cstrong data-start=\"2471\" data-end=\"2503\"\u003egenuine Quicksilver NGK plug\u003c\/strong\u003e means factory-level performance, easy installation, and long service life — the same quality trusted by Mercury technicians around the world.\u003c\/p\u003e\n\u003chr data-start=\"2649\" data-end=\"2652\"\u003e\n\u003ch3 data-start=\"2654\" data-end=\"2667\"\u003e\u003cstrong data-start=\"2658\" data-end=\"2665\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2668\" data-end=\"2819\"\u003e\u003cstrong data-start=\"2668\" data-end=\"2723\"\u003eQ1: Which engines use the Quicksilver 816737Q plug?\u003c\/strong\u003e\u003cbr data-start=\"2723\" data-end=\"2726\"\u003eA: Any \u003cstrong data-start=\"2733\" data-end=\"2762\"\u003eMercury or Mariner engine\u003c\/strong\u003e that specifies \u003cstrong data-start=\"2778\" data-end=\"2794\"\u003eNGK BP8HN-10\u003c\/strong\u003e in the owner’s manual.\u003c\/p\u003e\n\u003cp data-start=\"2821\" data-end=\"2964\"\u003e\u003cstrong data-start=\"2821\" data-end=\"2854\"\u003eQ2: Are the plugs pre-gapped?\u003c\/strong\u003e\u003cbr data-start=\"2854\" data-end=\"2857\"\u003eA: Yes, they’re pre-gapped to Mercury’s specs, but it’s always good practice to verify before installing.\u003c\/p\u003e\n\u003cp data-start=\"2966\" data-end=\"3122\"\u003e\u003cstrong data-start=\"2966\" data-end=\"3010\"\u003eQ3: What’s special about the “V” design?\u003c\/strong\u003e\u003cbr data-start=\"3010\" data-end=\"3013\"\u003eA: The \u003cstrong data-start=\"3020\" data-end=\"3039\"\u003eV-cut electrode\u003c\/strong\u003e directs the spark toward the edge, improving ignition and combustion efficiency.\u003c\/p\u003e\n\u003cp data-start=\"3124\" data-end=\"3270\"\u003e\u003cstrong data-start=\"3124\" data-end=\"3160\"\u003eQ4: Can it handle saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"3160\" data-end=\"3163\"\u003eA: Absolutely. The trivalent plating prevents corrosion and thread seizure, even in saltwater conditions.\u003c\/p\u003e\n\u003cp data-start=\"3272\" data-end=\"3404\"\u003e\u003cstrong data-start=\"3272\" data-end=\"3321\"\u003eQ5: How often should spark plugs be replaced?\u003c\/strong\u003e\u003cbr data-start=\"3321\" data-end=\"3324\"\u003eA: Inspect yearly and replace every 100 hours, or sooner if performance drops.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932966441251,"sku":"PV683689","price":4.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/IMG_7740.jpg?v=1747168971","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-ngk-bp8hn-10-10-33-816737q","provider":"PartsVu","version":"1.0","type":"link"}