{"product_id":"mercury-ngk-zfr5f-spark-plug-33-8m0204728","title":"Mercury – Quicksilver 8M0204728 NGK BPF5F Spark Plug - Sold Individually | Ignition System | Trivalent Metal Finish | 8M0204728","description":"\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Quicksilver 8M0204728 NGK \u003cspan\u003eZFR5F \u003c\/span\u003eSpark Plug | Ignition System | Trivalent Metal Finish | 8M0204728\u003c\/span\u003e\u003c\/strong\u003e\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 an engine that fires up instantly — no hesitation, no stumble, just that clean, confident spark that tells you the day’s off to a good start. Every boater knows that feeling, and the right spark plug plays a bigger role in it than most people think. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part delivers that kind of trust. Whether you’re heading out before sunrise or cruising back in at dusk, having a solid ignition system gives you peace of mind every time you turn the key.\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 ZFR5F spark plugs designed for reliable ignition performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePre-gapped to manufacturer specifications for proper installation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTrivalent metal plating for superior marine corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCopper core construction for efficient heat dissipation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSolid terminal design ensures clean, positive contact with plug wires\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0204728\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 Mariner outboard engines requiring NGK ZFR5F plugs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for various horsepower ranges depending on model specification\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAppropriate for both two-cycle and four-cycle engines using this plug type\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon on fishing boats, center consoles, small cruisers, and sporty runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for vessels that demand smooth starts and crisp throttle response\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 affects everything from start-up reliability to how smoothly your engine idles throughout the day. These NGK plugs create a tight, consistent spark that helps the engine light cleanly, burn fuel efficiently, and maintain steady power even under load.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The copper core pulls heat away quickly, helping reduce fouling and improving overall performance in slow trolling, long idling sessions, and repeated stop-and-go use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIn real use, you’ll notice a smoother throttle feel, quicker ignition, and a more stable idle. The trivalent plating resists corrosion even in harsh saltwater environments, while the ribbed insulator helps prevent flashover and misfires. Installation is simple — the plugs seat cleanly, thread smoothly, and tighten with a solid, secure feel. Replacing all ten at once restores uniformity across your ignition system, helping the engine run evenly from cylinder to cylinder.\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 When it comes to spark plugs, precision matters. Using a genuine Mercury Marine part ensures the gap, heat range, and materials match your engine exactly as it was designed. Aftermarket alternatives might appear similar, but small variations can lead to misfires, reduced fuel economy, or long-term damage.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Genuine NGK plugs supplied through Mercury meet the specific standards required for marine engines — engines that face constant moisture, vibration, and fluctuating temperatures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuying OEM means fewer surprises and more reliability. It’s the practical choice seasoned boaters make because they’ve learned that a clean, dependable ignition system is the foundation of a good day on the water.\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 use the NGK ZFR5F Spark Plug 8M0204728?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select Mercury and Mariner outboards that specify NGK BPF5F plugs. Always confirm with your owner’s manual.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes these plugs different from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e They meet Mercury’s exact specifications, feature marine-grade corrosion resistance, and use NGK’s proven copper core design for superior performance\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the right plug for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your owner’s manual. If it lists NGK BPF5F or part number 8M0204728, this is the correct replacement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can these spark plugs be used in both saltwater and freshwater environments?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the trivalent plating and ceramic insulator are designed to handle marine conditions of all kinds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation straightforward for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Definitely. With a standard spark plug socket and a little care, these plugs install smoothly and securely.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940551414051,"sku":"33-8M0204728","price":6.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0204728_4.jpg?v=1761308252","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-ngk-zfr5f-spark-plug-33-8m0204728","provider":"PartsVu","version":"1.0","type":"link"}