{"product_id":"mercury-4-5-6-hp-efi-300-hour-service-kit-8m0120836-s-n-0r411838-above","title":"Mercury – FourStroke 300 Hour Maintenance Kit | 4–6hp Service Package | Precision Components | 8M0120836","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – FourStroke 300 Hour Maintenance Kit | 4–6hp Service Package | Precision Components | 8M0120836\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you run a small outboard, you know exactly how much it carries on its shoulders. These little engines are the ones pushing dinghies through quiet coves, powering small fishing boats toward early-morning bites, and helping families explore the shoreline one slow drift at a time. They may be compact, but when you depend on them, you depend on them completely. And there is a certain comfort in knowing that your engine is serviced with the right parts—no guesswork, no second-best substitutes, just pure reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe Mercury 8M0120836 300 Hour Maintenance Kit is designed for boaters who want that feeling every time they squeeze the primer bulb or pull the starter. It gathers the exact components your 4–6 horsepower FourStroke outboard needs at its 300-hour mark, all in one neat, ready-to-go package. With this kit, you’re not just doing scheduled maintenance—you’re preserving the smooth, steady performance that keeps your days on the water easy and enjoyable.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete Mercury 300-hour service kit for 4–6 horsepower FourStroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes fuel filter, oil drain seal, gearcase seals, thermostat and thermostat gaskets\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComes with spark plug, water pump impeller kit, and unit anode\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat fuel and oil filters deliver strong filtration and clean operation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty electroplated housings designed to resist corrosion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered to Mercury Marine standards for perfect fit and dependable performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for Mercury 4 horsepower, 5 horsepower, and 6 horsepower FourStroke outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for dinghies, sailboat auxiliaries, jon boats, tenders, small inflatables, compact skiffs, and lightweight fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with tiller and remote-steer configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA small FourStroke engine can run beautifully for years, but only if its cooling system, fuel system, and lower unit are cared for. This kit makes that simple. The impeller and seals restore cooling flow so the engine runs at a stable temperature, even on hot summer days. The filters keep fuel clean and steady, reducing sputtering or mid-throttle hesitation. The thermostat and spark plug help the motor start easily, warm properly, and stay smooth under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEverything in this kit is designed to fit tightly and install cleanly. You will feel the difference after service—crisper throttle response, cooler running temperatures, and the satisfying sense that the engine is working with you, not against you. It is the kind of maintenance that eliminates surprises and gives you confidence on every tide change and every shoreline run.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eGuaranteed Mercury Marine quality and compatibility\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProtects engine longevity and reduces long-term repair costs\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEnsures proper cooling, filtration, and ignition performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMore dependable than aftermarket kits that may not meet Mercury specifications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHelps maintain warranty compliance and resale value\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThink of it as taking care of the heart of your boat the right way—once, correctly, and with parts you know will last.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which engines does the 8M0120836 kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Mercury 4–6 horsepower FourStroke outboards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this better than aftermarket kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM parts match exact Mercury tolerances, materials, and engineering, which means better protection and more consistent performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the correct kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine model and horsepower to the compatibility listed here or check your owner’s manual.\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?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely—these parts are built for harsh marine use in any environment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is the installation manageable for most boaters?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. If you’re comfortable completing standard outboard maintenance, this kit is straightforward and clean to install.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935248404771,"sku":"8M0120836","price":135.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0120836_Main.jpg?v=1760631376","url":"https:\/\/partsvu.com\/en-au\/products\/mercury-4-5-6-hp-efi-300-hour-service-kit-8m0120836-s-n-0r411838-above","provider":"PartsVu","version":"1.0","type":"link"}