{"product_id":"mercury-sp-l78v-4-33-58194","title":"Mercury – NGK BUHW-2 Spark Plug | Surface Gap Ignition Component | Tungsten \u0026 Ceramic | Part Number 896329833","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis spark plug has superseded to the Champion spark plug \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca style=\"color: rgb(43, 0, 255);\" href=\"https:\/\/partsvu.com\/products\/spark-plugs-champion-spark-plugs-l78v\"\u003eL78V\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – NGK BUHW-2 Spark Plug | Surface Gap Ignition Component | Tungsten \u0026amp; Ceramic | Part Number 896329833\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\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 a special kind of confidence that comes from an engine that lights off instantly, every \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esingle time no hesitation, no sputter, just a clean spark that settles into a steady, reliable rhythm. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe NGK BUHW-2 Spark Plug brings that feeling back to your Mercury Marine setup. It’s a simple part, but it carries a big responsibility, and when it’s doing its job right, you hear it in the smooth idle against the dock and feel it every time your boat lifts onto plane without complaint. You may never see this plug once it’s installed, but you’ll appreciate the difference it makes on every trip.\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\"\u003eSurface gap spark plug design with no side electrode for superior pre-ignition resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTungsten center electrode for strong durability and clean, consistent spark\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\"\u003eRibbed suppressor seal helps prevent flashover, misfires, and leakage\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTrivalent metal plating provides anti-corrosion and easier plug removal\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSolid terminal construction for reliable electrical contact\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\"\u003eFits select Mercury and Force engines requiring NGK BUHW-2 spark plugs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon in older TwoStroke applications and specific marine ignition systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for lightweight runabouts, inflatables, center consoles, fishing rigs, and jet-powered craft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlways verify compatibility with your engine’s 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\"\u003e The BUHW-2 surface gap design gives this plug a unique advantage — it’s far more resistant to pre-ignition and knocking than traditional side-electrode plugs. That means smoother combustion, especially in high-load situations where TwoStroke engines can get hot and stressed. The tungsten electrode delivers a crisp spark, helping your engine fire cleanly even after long periods of idling, trolling, or stop-and-go maneuvering around docks and ramps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’ll notice the difference in how the motor behaves on the water.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Starts feel quicker, the idle holds steady without coughing or stumbling, and the throttle response feels more predictable when the bow climbs and the boat transitions to plane. The ceramic insulator sheds heat efficiently, protecting against fouling and ensuring the firing tip stays clean.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Add in the trivalent plating, and you get a plug that stays protected from corrosion in both saltwater and freshwater.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor anyone who spends time around older Force or niche Mercury ignition setups, this plug brings back the dependability those engines were meant to have. It doesn’t just fire — it helps the whole engine feel more confident.\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 Surface gap plugs need to match the exact ignition timing and combustion design of the engine they serve. Aftermarket substitutes often look similar but fail to meet the precise tolerances required for marine conditions. Mercury Marine and NGK have tested this plug extensively to ensure it delivers consistent spark, proper heat dissipation, and dependable operation across the entire rpm range. Choosing the OEM-specified plug means fewer headaches, fewer misfires, and more time enjoying the water without surprises.\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 NGK BUHW-2 plug fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select Mercury and Force engines that specifically require NGK BUHW-2.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why choose this OEM plug over aftermarket?\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, offering better pre-ignition resistance and long-term stability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the right 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 — if it lists BUHW-2 or part number 896329833, 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 materials and plating are 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 Absolutely — simply remove the old plug and install this one using a standard spark plug socket.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932980531491,"sku":"PV445756","price":9.84,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/PV445756_3.jpg?v=1698781715","url":"https:\/\/partsvu.com\/fr\/products\/mercury-sp-l78v-4-33-58194","provider":"PartsVu","version":"1.0","type":"link"}