{"product_id":"mercury-float-assembly-1395-8673","title":"Mercury – Composite Carburetor Float | Fuel System | Marine Composite | 8673","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Composite Carburetor Float | Fuel System | Marine Composite | 8673\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you have ever dealt with a carbureted outboard that refuses to idle right or keeps flooding when you least expect it, you know how something as small as a float can change your whole day on the water. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Quicksilver 8673 Composite Float brings back that easy, predictable performance that older Mercury two-strokes are known for. There’s something reassuring about installing a part that feels purpose-built — lightweight, precise, and engineered for the rough rhythm of real boating. W\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehen your engine settles into a smooth idle after the repair, it’s one of those small victories that reminds you why OEM parts matter.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eReplacement composite float for select \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 3.9–150hp 2-stroke outboards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLightweight composite construction resists swelling and fuel absorption\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eStable buoyancy ensures proper fuel metering\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to fit seamlessly with OEM carburetor components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eM\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeets Mercury Marine part number 8673 specifications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits a wide range of \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 3.9hp, 4hp, 6hp, 9.9hp, 15hp, 25hp, 40hp, 50hp, 75hp, 90hp, and 150hp\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 2-stroke models\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for small inflatables, jon boats, tiller setups, center consoles, aluminum fishing rigs, and classic two-stroke runabouts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with single and multi-carb configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with both freshwater and saltwater applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCarburetor floats live a hard life. They sit in fuel constantly, endure vibration, and must react smoothly to changing engine demands. When they swell, leak, or absorb fuel, the engine stumbles, loads up, or simply refuses to stay running. This Mercury Marine part restores that tight, predictable carb control you remember — clean idle, sharp throttle response, and consistent fuel delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’ll feel the improvement the first time you fire up the motor after installation. Instead of bogging or chugging, the engine settles into a steady rhythm. When you crack the throttle to get the boat on plane, it responds without hesitation. And because the float is made from high-quality composite instead of older cork-style materials, it stays stable over time. There’s no sudden failure halfway through the season and no gradual performance loss as the float absorbs fuel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis part also installs cleanly. It doesn’t bind, stick, or require modification. The hinge, pin, and needle seat align exactly as they should, which makes servicing the carburetor feel less like a gamble and more like routine maintenance.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFloats are one of those parts where measurements matter — even a fraction of a millimeter can change how the carburetor meters fuel. Aftermarket versions often miss those tolerances, leading to a mix that’s too rich, too lean, or unpredictable. With an OEM Mercury Marine part, you get factory-level accuracy and materials that resist fuel breakdown far better than cheaper substitutes. If you want your two-stroke to start consistently and run clean, OEM is the right call.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does this float fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits select Mercury 3.9–150hp two-stroke outboards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this different from aftermarket floats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Better buoyancy stability, tighter tolerances, and fuel-resistant composite materials.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it fits my carburetor?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s parts diagram or match your model\/serial number to Mercury part 8673.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the composite material won’t corrode and is unaffected by marine conditions.\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 Yes, especially if you’re comfortable opening and cleaning a carburetor. Basic tools are all that’s required.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941416390947,"sku":"1395-8673","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8673_main-1.jpg?v=1760631286","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-float-assembly-1395-8673","provider":"PartsVu","version":"1.0","type":"link"}