{"title":"MerCruiser 300 Hour Service Kits","description":"","products":[{"product_id":"mercury-300-hour-maintenance-kit-without-anodes-8m0149428","title":"Mercury – 300 Hour Maintenance Kit | L6 Verado Series | OEM Components | 8M0149428","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | L6 Verado Series | OEM Components | 8M0149428\u003c\/span\u003e\u003c\/h2\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’ve spent enough time behind the helm of a Verado, you know that nothing feels quite like the smooth push of an in-line six as it settles into its rhythm. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnd when you rely on your engine for long runs, heavy-duty schedules, or week-after-week usage, staying ahead on maintenance isn’t optional—it’s the heartbeat of your confidence on the water. The Mercury 8M0149428 Select L6 Verado 300 Hour Maintenance Kit brings that peace of mind straight to your hands, giving you everything you need for a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emajor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e service without the extras you don’t. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for boaters who run hard, rack up hours fast, and understand the value of a well-kept engine.\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\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour maintenance kit designed for Mercury L6 Verado outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eContains oil filter, fuel filter, oil drain seals, spark plugs, thermostat, alternator belt \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a water pump impeller repair kit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewithout\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e anodes for owners who do not need replacements every service interval\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eEngineered and packaged by Mercury for exact fit, proper performance \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long-term reliability\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAll components meet Mercury Marine part and material specifications\u003c\/span\u003e\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\u003cspan data-preserver-spaces=\"true\"\u003eFor Mercury in-line 6-cylinder Verado outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with serial numbers \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2B144123 through 2B578935\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for multi-engine offshore boats, performance center consoles, heavy-use family cruisers \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e commercial vessels\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for boaters who log high annual hours or operate in demanding conditions\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\"\u003eThis kit brings the major service tasks together in one straightforward package, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhich means\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fewer trips to the parts counter and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eno second-guessing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e whether you grabbed the right filter or belt.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every item \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to fit tightly, install smoothly \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e restore the crisp, steady feel your Verado delivered on day one.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe new fuel filter helps maintain clean delivery under load, especially during long runs or when the sea gets rough. Fresh spark plugs bring back that quick throttle response you feel when you tap the binnacle. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe thermostat, impeller components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e alternator belt all work together to keep temperatures stable, water flow strong \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e electrical output reliable.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e You’ll feel the difference in small ways—cooler idle temps, sharper acceleration, smoother mid-range power. It’s the kind of quiet improvement that adds up to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebig\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e confidence when you’re miles from the dock.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurability is another standout. These components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for real marine environments, with corrosion-resistant materials and engineering designed to handle salt, heat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e vibration. This kit keeps your Verado steady and secure, whether you’re cruising, trolling \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e pushing offshore into open water.\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\"\u003eWhen you’re maintaining a premium engine like the Verado, cutting corners \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e doesn’t make sense.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to Mercury’s exact tolerances, which means they fit right the first time and deliver the performance your outboard \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for. Aftermarket kits may cost less up front, but they often lack the consistency, filtration quality \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e durability that a long-running engine demands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing this genuine Mercury Marine part ensures predictable service intervals, long-term reliability \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fewer headaches on the water. It’s the same advice you’d hear from seasoned captains—stick with OEM, and you’ll spend more time boating and less time troubleshooting.\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 Mercury engines does this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s made for Mercury in-line 6-cylinder Verado outboards with serial numbers 2B144123 through 2B578935.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this kit different from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEvery component meets Mercury’s engineering specs, offering better fit, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebetter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e longevity \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e better protection.\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 kit for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine’s serial number to the specified range and confirm you don’t require anode replacements in this interval.\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 boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely—the components are built for long-term durability in both 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 Yes. Most experienced boat owners—or a trusted technician—can complete the 300-hour service using the items in the kit.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626550190371,"sku":"8M0149428","price":449.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0149428_main.jpg?v=1760631461"},{"product_id":"mercury-3-0l-carb-rwc-mercruiser-300-hour-service-kit-8m0147061-2000-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 3.0L Carbureted | OEM Service Components | 8M0147061","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 3.0L Carbureted | OEM Service Components | 8M0147061\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’ve spent any amount of time behind the helm of a MerCruiser 3.0L carbureted engine, you know \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e why boaters keep these powerplants around for decades. They’re simple, steady, and honest—an engine that doesn’t ask for much but serves you well as long as you take care of it. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147061 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e pulls together every essential piece required for a deep, meaningful service. It’s the kind of maintenance that restores confidence, tightens everything back to factory intention, and keeps your engine running cool, clean, and dependable on long weekend runs or lazy cruises back to the dock.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for 3.0L carbureted MerCruiser engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filters, gearcase drain seals, spark plugs, thermostat, thermostat gasket, and V-belts\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-grade filtration components with premium pleat counts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty electroplated housings designed to fight corrosion\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM specifications ensure proper fit and lasting reliability\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\n\u003cspan data-preserver-spaces=\"true\"\u003eD\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 3.0L carbureted engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e (General Motors, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2000 and newer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits sterndrive installations commonly found in runabouts, bowriders, small cruisers, and fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both single-engine and twin-engine setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with engines using standard 3.0L GM-based sterndrive architecture\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\"\u003eE\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003every boater knows that the 3.0L carbureted MerCruiser will run a long time if you treat it right. This 300-hour kit goes beyond the basics—replacing not just filters and seals, but the parts that quietly influence how well the engine breathes, cools, and stays protected.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe fresh \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003espark plugs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebring back\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e crisp, dependable ignition so the engine fires smoothly and idles evenly.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethermostat and gasket\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e help maintain \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esteady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e operating temperature, keeping performance predictable whether you’re wide open or easing through a no-wake zone. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efilters\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etackle\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e contaminants before they \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehave a chance to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e rob you of power or fuel economy.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Even the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eV-belts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e—often overlooked—give you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esolid\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e mechanical feel and secure accessory drive, preventing unexpected slippage or failures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAltogether, the kit leaves your 3.0L feeling renewed: the throttle response steadier, the idle more confident, and the entire system \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erunning\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with that tight, just-serviced assurance you can feel through the hull.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’re dealing with a full 300-hour service, precision matters\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. OEM\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Mercury parts fit right the first time, last longer in harsh marine conditions, and follow the exact engineering \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe engine was built around\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Aftermarket kits may look similar, but they rarely match Mercury’s testing standards or filtration quality. With OEM, you reduce risk, avoid premature failures, and protect the engine you rely on every single time you leave the ramp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e kit isn’t just parts—it’s peace of mind.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 3.0L carbureted engines from 2000 and newer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it better than aftermarket kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM components provide exact fitment, top-tier corrosion resistance, and proper filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the right kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Ch\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeck your engine’s model and year—if it’s a 3.0L carbureted GM-based MerCruiser from 2000+, this is the correct kit.\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. All components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for both freshwater and saltwater 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 Most boat owners familiar with routine service will find the installation direct and manageable.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626594722083,"sku":"8M0147061","price":163.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147061_Main-1.jpg?v=1760631436"},{"product_id":"mercury-bravo-three-300-hour-maintenance-kit-8m0147076-2003-current","title":"Mercury – MerCruiser Bravo Three 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147076","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser Bravo Three 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147076\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecertain\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e trust that builds over time with a Bravo Three drive — the kind that comes from countless smooth shifts, clean acceleration \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e steady handling even when the water turns unpredictable. When you run a drive like that, you feel every bit of its engineering working beneath you\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. But\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e keeping that reliability alive means staying on top of the maintenance that matters. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147076\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour maintenance kit brings together everything you need to keep a Bravo Three operating with the same confidence and power you’ve come to rely on.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour maintenance kit for MerCruiser Bravo Three sterndrives (2003–2016)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes sterndrive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gearcase fill and drain screws\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDurable components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebuilt specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for long-term marine use\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade aluminum anodes for dependable corrosion protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-fit seals and hardware for clean, secure installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser Bravo Three sterndrives manufactured from 2003 to 2016\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCommon on performance cruisers, larger fishing boats, heavy pontoons, offshore models \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e multi-prop recreational boats\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for boaters who rely on the added thrust, control \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e power handling that dual-prop Bravo Three systems deliver\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo Three drives are known for their incredible control and torque, but that level of performance puts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ea bigger load\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on key components. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to restore the performance\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e you feel every time you shift, trim \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e throttle up. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFresh gaskets create a tight seal \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat helps\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e maintain proper pressure and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eprevents\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e leaks.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e New gearcase drain seals and fill screws make maintenance cleaner and more dependable. The shift cable kit brings back that crisp engagement you notice the instant you ease into forward or reverse.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe aluminum anodes are especially important for Bravo Three owners, since dual props sit deeper and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoften see\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e more \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexposure\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e in both freshwater and saltwater.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e These anodes protect your sterndrive from corrosion, giving you a steadier, longer-lasting system. Together, these parts bring back the smooth, predictable handling that Bravo Three drives \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare celebrated\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’ll notice quieter operation, better response \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a more secure feel at the helm — especially when docking, backing \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e navigating tight spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward because every component \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to match the drive exactly. No forcing parts, no guessing at fitment — just a clean, proper install that leaves your drive \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efeeling refreshed and ready for the season ahead.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’re servicing a Bravo Three, genuine Mercury Marine parts are the safest and most practical choice. They match the original design, materials \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e tolerances of the drive, ensuring a longer life and better performance than aftermarket options. OEM components also save time during installation because they fit correctly the first time. Aftermarket alternatives might look similar, but they often fall short in durability, sealing performance \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e corrosion protection. If a fellow boater asked for advice, the answer would be simple: go with the Mercury parts built for your system, and your drive will thank you for it.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does the 8M0147076 maintenance kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser Bravo Three sterndrives manufactured between 2003 and 2016.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets this OEM kit apart from aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Material quality, exact fitment \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long-term durability — all \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eengineered specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Bravo Three systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can 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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf your boat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eruns\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a Bravo Three drive \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewithin the\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 2003–2016 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyear range\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this Mercury Marine part number is the correct match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this kit 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 Absolutely. The aluminum anodes and marine-rated components hold up well in both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. If you’re familiar with sterndrive service, this kit installs cleanly and securely thanks to its precise OEM fit.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187161379,"sku":"8M0147076","price":683.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147076_Main1.jpg?v=1760631437"},{"product_id":"mercury-alpha-one-mercruiser-300-hour-service-kit-8m0147072-1990-1994","title":"Mercury – MerCruiser Alpha One 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147072","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser Alpha One 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147072\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you’ve spent any amount of time with an older MerCruiser Alpha One, you know the kind of loyalty those drives inspire. They’re tough, familiar \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e surprisingly steady when you give them the care they deserve. There’s a quiet confidence that comes from maintaining a drive that has carried families, fishing crews \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e weekend wanderers across the water for decades. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147072\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour maintenance kit brings that confidence back by giving you everything you need to keep an Alpha One running \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmooth\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edependable\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e — the way it always should.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour maintenance kit designed for MerCruiser Alpha One sterndrive systems (1984–1990)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes sterndrive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit, water pump impeller kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gearcase fill and drain screws\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable components built for marine use, including corrosion-resistant aluminum anodes\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-quality seals and gaskets designed for a tight, reliable fit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eEngineered to restore proper cooling, shifting \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e overall sterndrive function\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser Alpha One sterndrives from 1984 through 1990\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSupports a wide range of Mercury-powered boats \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eincluding\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e runabouts, cruisers, fishing boats, bowriders \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e family weekenders\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for owners maintaining classic sterndrive setups that have seen years of use\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s something satisfying about servicing an older Alpha One — you can feel the difference when everything is replaced and dialed in \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eproperly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. A fresh impeller brings back \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esteady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e water flow. New seals help the drive feel tight and predictable. And a clean shift cable gives you that smooth, confident engagement when you drop into gear at the ramp or idle into a marina.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to bring all of those improvements together in one place. Each component fits the way it should, without forcing or guessing, because it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for the original Alpha One layout. Corrosion protection improves with the new aluminum anodes, giving you peace of mind when running in saltwater or brackish bays. The gaskets seat firmly, the hardware threads cleanly \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e everything feels secure when you torque it down. It’s the kind of maintenance that makes a noticeable difference on the next run — quieter operation, steadier handling \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fewer \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eunexpected\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e surprises.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith a drive as time-tested as the Alpha One, choosing genuine Mercury Marine parts is more than a preference — it’s smart maintenance. OEM parts match the drive’s original specifications, which means you don’t have to fight with fitment or worry about mismatched tolerances. You’ll get better longevity, easier installation \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a drive that performs the way Mercury intended. Afte\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ermarket kits might look similar, but they rarely deliver the same reliability. When fellow boaters ask for real-world advice, the truth is simple: stick with the parts designed for your drive, and you’ll save time and avoid headaches down the road.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does this maintenance kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser Alpha One sterndrives built between 1984 and 1990.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2:\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Why choose this OEM kit over aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fitment is exact, the materials are stronger \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the components hold up longer in real marine conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know this is the correct kit for my drive?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your boat runs a first-generation Alpha One built from \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1984–\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1990, this is the recommended Mercury Marine part number for your 300-hour service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is the kit suitable for saltwater and freshwater use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the included aluminum anodes and marine-grade components are engineered for both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most boaters with standard maintenance experience can install it confidently, thanks to the precise OEM fit.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187259683,"sku":"8M0147072","price":533.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147072_Main-1.jpg?v=1760631463"},{"product_id":"mercury-8-2l-mpi-mercruiser-300-hour-service-kit-8m0147071-2010-current","title":"Mercury – MerCruiser 8.2L MPI 300 Hour Maintenance Kit | Precision Service Kit | Marine-Ready Components | 8M0147071","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser 8.2L MPI 300 Hour Maintenance Kit | Precision Service Kit | Marine-Ready Components | 8M0147071\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnyone who runs a MerCruiser 8.2L MPI knows there’s a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecertain\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e moment when you ease the throttle forward and feel the whole boat settle into its rhythm. When everything is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, the engine feels strong, steady \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ready for whatever the day brings. That trust does not happen by accident — it comes from taking care of the machine that carries you across open bays, long channels \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e choppy afternoons. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147071\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour maintenance kit delivers that same confidence, giving you the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecomfort\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e of \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eknowing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e your engine is protected before you push off from the dock.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour service kit for MerCruiser 8.2L Multi Port Injection engines with Bravo sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes oil filter, fuel filter, gearcase drain seals, spark plugs, thermostat, thermostat gasket, serpentine belt, PCV valve \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e seawater pump impeller kit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePremium filtration components with high pleat counts for steady, clean oil and fuel flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty electroplated housings designed to resist corrosion over long seasons\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered for factory-level fitment and smooth installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 8.2L MPI gasoline engines (2010 and newer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor Bravo sterndrive applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFound on cruisers, sport boats, bowriders \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e performance-oriented runabouts\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for boaters who want factory-grade service parts in one organized kit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you rely on a big-block MerCruiser, you want every component behind it to pull its weight. The \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e spark plug bite, the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e filter flow, the right impeller keeping water moving — it all adds up to an engine that feels tight and responsive instead of sluggish or strained. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis kit brings \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethose essentials together\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e so you can give your engine the reset it needs after long seasons of heat, vibration \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e hard use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce installed, most boaters notice smoother idle, stronger throttle response \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a more predictable transition onto plane. The engine breathes easier with clean filtration, and the new serpentine belt keeps everything running in harmony. Even something as simple as a thermostat and gasket swap can restore steadier temperature control, which you’ll feel on long runs where cooling consistency matters. These parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for real-world boating — salt spray, long weekends, long idle stretches — and they hold up with the kind of durability that makes the whole powertrain feel secure.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a reason many boaters stick with genuine Mercury Marine parts, especially for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emajor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e services. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to match the exact\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e tolerances the engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed around\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, which means they fit cleanly and perform the way the factory intended. It is not about brand loyalty — it is about avoiding headaches, saving time \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e knowing the job \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis done\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e right the first time. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket parts may look similar, but they often do \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003enot\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e feel the same when you tighten \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethings\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e down.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e With a Mercury OEM kit, you know what you are getting: reliability, longevity \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fewer surprises during the season.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does this product fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This kit fits MerCruiser 8.2L \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMulti Port\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Injection engines paired with Bravo sterndrives from 2010 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this part different from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Mercury OEM parts match factory tolerances exactly, giving you a smoother fit and more consistent performance over time.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I tell if this is the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re running an 8.2L MPI with a Bravo sterndrive, this is the correct Mercury Marine part for your 300-hour service interval.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater and freshwater use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, every component in the kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to withstand both environments with proper care.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boaters?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re comfortable performing standard engine maintenance, this kit installs cleanly and without surprises thanks to the precise part matching.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187292451,"sku":"8M0147071","price":347.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147071_Main-1.jpg?v=1760631435"},{"product_id":"mercury-bravo-two-bravo-three-300-hour-maintenance-kit-8m0147075-see-description","title":"Mercury – MerCruiser Bravo Two \u0026 Bravo Three 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147075","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser Bravo Two \u0026amp; Bravo Three 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147075\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a familiar comfort that comes from running a well-cared-for Bravo drive. Whether you’re pushing a heavy cruiser onto \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplane\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or easing a big pontoon away from the dock, you can feel when everything beneath the transom is working \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the way it should. That kind of trust doesn’t just happen — it comes from putting in the maintenance that keeps a sterndrive healthy season after season. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147075\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour maintenance kit gives Bravo Two and Bravo Three owners one simple, reliable way to keep their drives running \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmooth\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estrong\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esteady\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour maintenance kit for Bravo Two sterndrives (1988 and newer) and Bravo Three sterndrives (1995–2002)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eI\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003encludes sterndrive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gearcase fill and drain screws\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable marine-grade components designed for long-lasting performance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion-resistant aluminum anodes for solid protection in harsh conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-fit seals and gaskets for clean, dependable installation\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eF\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eits MerCruiser Bravo Two sterndrives from 1988 and newer\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser Bravo Three sterndrives from 1995–2002\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCommon on cruisers, cabin boats, pontoons, fishing vessels \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e heavier multi-prop setups\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for owners who want factory-matched parts for reliable sterndrive servicing\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo drives take on real workloads — especially Bravo Two and Bravo Three systems that push larger, heavier boats or run dual-prop configurations. That means every gasket, seal \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e anode matters. This maintenance kit gathers the parts that make the most difference, so your drive feels tight, responsive \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e trustworthy again.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA fresh set of seals restores the steady control you want when trimming, shifting \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e handling low-speed maneuvering. New gearcase drain seals help prevent leaks that could otherwise creep up unnoticed. The shift cable kit brings back smooth, confident gear engagement, which you’ll feel the next time you ease into forward or back into reverse. And the aluminum anodes give your drive the protection it needs against corrosion — a must-have for boaters running in saltwater or brackish bays.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation feels clean and straightforward because everything fits the way it’s supposed to. Gaskets line up without forcing, hardware threads in smoothly, and the finished job leaves your drive feeling secure from the inside out. Once back on the water, most boaters notice quieter operation, stronger push at midrange \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a general sense that the boat responds more predictably — especially under load.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen it comes to sterndrive care, genuine Mercury Marine parts are the dependable choice. They match the original specifications of your drive, so the fit is precise and the materials \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to handle the stress \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e systems are known for. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket kits may look similar, but they often fall short \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewhen it comes to\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e sealing performance, durability \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long-term corrosion resistance.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e With an OEM kit, you’re giving your drive the parts it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to run with — and saving yourself frustration in the long run. If a fellow boater asked, the advice would be simple: go with genuine Mercury, and you’ll only have to do the job once.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does the 8M0147075 kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Bravo Two drives (1988 and newer) and Bravo Three drives (1995–2002).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this OEM kit better than aftermarket options?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits exactly, lasts longer \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e uses materials \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eengineered specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for Bravo sterndrives.\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 correct kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your boat uses a Bravo Two or a Bravo Three within the supported years, this is the correct Mercury Marine part number.\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 Absolutely — the aluminum anodes and marine-grade components are designed for both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. Anyone familiar with basic sterndrive maintenance will find the installation predictable and secure.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187325219,"sku":"8M0147075","price":683.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147075_Main1.jpg?v=1760631463"},{"product_id":"mercury-bravo-one-300-hour-maintenance-kit-8m0147074-1988-current","title":"Mercury – MerCruiser Bravo One 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147074","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser Bravo One 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147074\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnyone who runs a Bravo One sterndrive knows the feeling — that unmistakable push when you roll into the throttle, the steady grip when the hull settles in \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the confidence that comes from a drive built to handle real power. Over the years, these drives \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eearn\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a kind of respect. They’re strong, loyal \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e capable, but only if you keep them cared for. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147074\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour maintenance kit brings that care back into focus, giving you everything you need to keep a Bravo One performing like the workhorse \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eit’s meant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to be.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour maintenance kit for MerCruiser Bravo One sterndrives (1988–2016)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes sterndrive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gearcase fill and drain screws\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable components built for long-term marine use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion-resistant aluminum anodes provide essential protection for the drive\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eGaskets, seals \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e hardware designed for a tight, precise fit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser Bravo One sterndrives from 1988 through 2016\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCommon on performance boats, cruisers, offshore fishing vessels, wake boats \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e sport models\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for owners who run high-output setups or frequently navigate demanding conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA Bravo One \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to take a beating, but regular maintenance \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis what\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e keeps it feeling smooth, solid \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e predictable.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This kit brings together the parts that make the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebiggest\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e difference in how the drive performs. Fresh gaskets restore a tight seal throughout the system. New gearcase drain seals prevent unwanted leaks. And updated anodes offer lasting corrosion protection — \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eespecially important\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e if your runs take you through saltwater or rough brackish areas.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe shift cable kit alone can transform how the boat feels at the dock. You’ll notice cleaner engagement, less hesitation \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a more confident transition into forward or reverse. The gasket kit sits exactly how it should, the hardware threads in cleanly \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the new components create a renewed sense of stability once everything is back together. After completing the service, most boaters notice quieter operation, steadier thrust \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e more predictable handling at mid-range and top-end speeds. It’s the kind of difference you can feel in the wheel, in the throttle \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e even in the way the boat settles when you come off plane.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a reason so many boaters stick with genuine Mercury Marine parts, especially for major sterndrive service. OEM components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with the exact tolerances, materials \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fitment \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyour Bravo One was built around\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. That means less time adjusting, fewer installation headaches \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e longer life from every part you replace. Aftermarket kits often miss the mark — wrong fit, weak metals or adhesives that don’t hold up. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn OEM kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimply\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e does the job right the first time.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If a fellow boater asked for honest advice, you’d probably say the same thing: use the parts Mercury designed for your drive, and the rest of the season will thank you.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does the 8M0147074 maintenance kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser Bravo One sterndrives manufactured from 1988 to 2016.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why choose this OEM kit over aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fitment is exact, the materials are stronger \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the components last longer under real-world marine conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecan I be sure\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the correct kit for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf your boat uses a Bravo One drive \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewithin the\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 1988–2016 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003erange\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this Mercury Marine part number is the correct 300-hour service kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for freshwater and saltwater applications?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the included aluminum anodes and marine-grade components are built for both 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 For most boat owners familiar with sterndrive service, the installation is clean, predictable \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e hassle-free thanks to the precise OEM fit.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187390755,"sku":"8M0147074","price":683.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147074_Main-1.jpg?v=1760631454"},{"product_id":"mercury-6-2l-mpi-rwc-mercruiser-300-hour-service-kit-8m0147070-2015-current","title":"Mercury – MerCruiser 6.2L MPI 300 Hour Maintenance Kit | Precision Service Kit | Marine-Ready Components | 8M0147070","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser 6.2L MPI 300 Hour Maintenance Kit | Precision Service Kit | Marine-Ready Components | 8M0147070\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s a certain peace you feel when you know your engine is cared for the right way. When you hit the throttle and everything hums exactly as it should, it reminds you why good maintenance matters out on open water. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147070\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, a complete 300-hour maintenance kit for MerCruiser 6.2L MPI engines with Bravo sterndrives, gives you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e confidence every time you leave the dock.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s the kind of kit seasoned boaters keep on hand because they know a smooth-running engine is more than convenience — it is freedom, safety, and the heart of every good day on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFull\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour service kit designed for MerCruiser 6.2L MPI engines with Bravo sterndrive systems\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes premium oil filter, fuel filter, gearcase drain seals, spark plugs, thermostat, thermostat gasket, serpentine belt, PCV valve \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e seawater pump impeller kit\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable construction with corrosion-resistant housings for extended life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-engineered filtration components with high pleat counts for consistent fuel and oil flow\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for tight, proper fitment that maintains factory performance standards\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser 6.2L Multi Port Injection gasoline engines (2015 and newer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuilt for Bravo sterndrive applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCommon on cruisers, runabouts, sport boats \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e family weekenders\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for owners who want factory-level service in a convenient package\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA maintenance kit may sound simple, but anyone who has logged real hours offshore knows how much \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edepends\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e on the small things. The right belt, a clean filter \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e a fresh impeller can be the difference between a steady ride home and a long call for help. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis Mercury Marine part delivers the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekind of\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e tight, sure fit that makes installation feel natural rather than forced.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Spark plugs seat cleanly. Filters turn on with that reassuring snugness. The impeller slides into place without a fight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOnce everything \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis replaced\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, you \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecan feel\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the difference in how your engine breathes and runs.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOil pressure stabilizes, throttle response sharpens \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the whole powertrain feels smoother when you ease onto \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eplane\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe components in this kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to handle heat, vibration \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long hours in both freshwater and saltwater, giving you a level of reliability you can feel — steady, predictable \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e trustworthy.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing an original Mercury Marine part is not about brand loyalty — it is about knowing your engine gets \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eexactly\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e what it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to use. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith OEM parts, tolerances match, materials match \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e performance \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003elines up\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with factory expectations.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Over the long run, it saves money because you are not chasing fitment problems or premature wear. When a fellow boater asks for real-world advice, you tell them the truth: go with the part that \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for the job. It works right the first time and keeps your weekends simple.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which Mercury engines does this product fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser 6.2L Multi Port Injection engines paired with Bravo sterndrives from 2015 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this part different from aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fit and feel are better. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury builds every component to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ematch\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e factory specifications, \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eso installation is\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e smoother \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eand performance stays\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e consistent.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHow do I know if\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e this \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the correct replacement for my setup?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you run a MerCruiser 6.2L MPI with a Bravo sterndrive, this is the kit Mercury recommends for your 300-hour service.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can this 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, all components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehold up in\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e either environment with proper care.\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 Most boat owners familiar with basic engine service find the process smooth thanks to the precise fit of each component.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187456291,"sku":"8M0147070","price":402.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147070_Main-1.jpg?v=1760631434"},{"product_id":"mercury-4-5l-mpi-alpha-rwc-mercruiser-300-hour-service-kit-8m0147066-2014-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 4.5L MPI Alpha Series | OEM Service Components | 8M0147066","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 4.5L MPI Alpha Series | OEM Service Components | 8M0147066\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\"\u003eWhen you run a MerCruiser 4.5L MPI engine, you get used to a certain confidence—the kind that settles in when the engine fires instantly, idles without drama, and pushes your boat onto plane with smooth, even strength. But even the most reliable engines deserve a real reset every few hundred hours. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147066 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gives you that peace of mind in one straightforward package. It’s built for boaters who don’t want surprises, just dependable performance whether they’re cruising wide water or easing back into a familiar slip at sunset.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for 4.5L MPI Alpha sterndrive engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, spark plugs, thermostat, thermostat gasket, serpentine belt, gearcase drain seals, and PCV valve\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat filtration components for strong contaminant control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMarine-grade materials and electroplated housings for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAll parts engineered to meet \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine OEM standards\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.5L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e paired with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrives\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for model years \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2014 and newer\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebowriders\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esport boats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efamily runabouts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efishing vessels\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e powered by Mercury’s modern 4.5L platform\u003c\/span\u003e\n\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 300-hour se\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ervice is more than a tune-up—it’s a reset for nearly every system that keeps your 4.5L MPI running tight and dependable. This kit brings better throttle response, cleaner fuel delivery, steadier idle, and stronger cooling efficiency back into your engine’s daily rhythm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFresh spark plugs restore crisp ignition. The PCV valve helps maintain clean, predictable combustion. The serpentine belt ensures that accessories spin smoothly without squeal or hesitation. And the updated thermostat set keeps engine temperatures stable—something you’ll appreciate during long idle periods or hot-weather cruising.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe filtration components are the unsung heroes of this kit. With premium pleat counts and durable housings, the oil and fuel filters clean far more efficiently than generic replacements. Over time, that means less internal wear, steadier performance, and fewer issues caused by water or debris sneaking into your system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTogether, these parts reinforce the strength and reliability of Mercury’s 4.5L MPI design. Eve\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ery component fits exactly as the old one came off, giving you a service that feels secure, predictable, and refreshingly straightforward.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAftermarket parts may seem convenient, but they rarely match the build quality, filtration efficiency, or long-term durability of genuine Mercury components. Wit\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eh OEM, you know every piece is engineered specifically for your 4.5L MPI engine—no tolerance issues, no questionable materials, no unexpected failures. It’s the smart choice for boaters who want fewer problems and more weekends spent on the water.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.5L MPI engines with Alpha sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, 2014 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What sets this apart from aftermarket kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Precision fit, premium filtration, and the proven reliability of Mercury Marine engineering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s right for my boat?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your engine is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4.5L MPI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e paired with an \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this is the correct 300-hour kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both freshwater and saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Definitely. All components are corrosion-resistant and designed for harsh marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—if you’re comfortable with routine maintenance, this kit installs cleanly with basic tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187489059,"sku":"8M0147066","price":323.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147066_Main-1.jpg?v=1760631424"},{"product_id":"mercury-alpha-gen-ii-300-hour-maintenance-kit-8m0147073-1991-current","title":"Mercury – MerCruiser Alpha One Gen II 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147073","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – MerCruiser Alpha One Gen II 300 Hour Maintenance Kit | Precision Sterndrive Service Kit | Marine-Ready Components | 8M0147073\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBoaters who run a MerCruiser Alpha One Gen II sterndrive know the feeling of depending on gear that’s built to last. There’s a steady confidence that comes from hearing that familiar shift into gear, or feeling the boat glide onto plane without hesitation. But even the toughest drive needs regular care to keep performing the way it always has. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8M0147073\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour maintenance kit brings everything together in one place, giving you the parts you need and the reassurance you want before heading back out on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 300-hour service kit for MerCruiser Alpha One Gen II sterndrive systems (1991 and newer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes drive install gasket kit, aluminum anode kit, gearcase drain seals, transom repair kit, shift cable kit, water pump impeller kit and gearcase fill and drain screws\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable components engineered for long-term marine use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion-resistant aluminum anodes protect your drive season after season\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePrecision-matched gaskets and seals for a tight, reliable fit\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits all MerCruiser Alpha One Gen II sterndrives from 1991 and newer\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with a wide range of boat types including runabouts, bowriders, cruisers, fishing boats and family weekenders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for owners who maintain classic sterndrive setups with long hours on the water\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’re running a Gen II drive, you can feel the difference good maintenance makes. Fresh seals give you that tight, smooth shift that inspires confidence when you ease into gear. A new impeller restores dependable cooling, giving your engine the steady temperature control it needs on long runs. And updated anodes mean your drive stays protected against corrosion, especially in brackish or saltwater environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEvery part in this kit fits cleanly and installs without the headaches that come from mismatched aftermarket components. Gaskets sit flush, hardware threads in cleanly and the shift cable operates with that familiar Mercury precision once it’s replaced. You’ll notice a quieter ride, steadier handling and a sense of security that only comes from knowing the drive beneath you is properly cared for. This kit is designed to bring back that feeling — of a boat that listens, responds and performs exactly the way it should.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith a sterndrive design as proven as the Alpha One Gen II, genuine Mercury Marine parts make the most sense. Each component is engineered to match factory specs, ensuring long-term reliability and the correct fit the first time you install it. Aftermarket kits might seem tempting, but they often fall short in fit, materials or durability. OEM parts, on the other hand, save time, reduce frustration and help your drive last longer. If a fellow boater asked for advice, you’d probably say the same thing: go with the parts Mercury engineered for your system, and you’ll avoid a lot of headaches.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does the 8M0147073 maintenance kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits all MerCruiser Alpha One Gen II sterndrives built from 1991 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this OEM kit better than aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The fit is exact, the materials are built for marine use and everything is designed to support long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the correct kit for my drive?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your boat is powered by an Alpha One Gen II sterndrive, this Mercury Marine part number is the correct 300-hour service kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater and freshwater operation?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — the aluminum anodes and marine-grade components are designed to perform in both environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. Anyone familiar with basic sterndrive maintenance will find the fit straightforward and secure.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187521827,"sku":"8M0147073","price":615.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147073_Main.jpg?v=1760631457"},{"product_id":"mercury-5-0l-5-7l-6-2l-gm-mpi-bravo-rwc-mercruiser-300-hour-service-kit-8m0147069-2002-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 5.0L, 5.7L \u0026 6.2L MPI Bravo Series | OEM Service Components | 8M0147069","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 5.0L, 5.7L \u0026amp; 6.2L MPI Bravo Series | OEM Service Components | 8M0147069\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\"\u003eThere’s something comforting about an engine that responds exactly the way you expect. When you ease the throttle forward and your MerCruiser MPI settles into that smooth, confident push, it’s a reminder of why upkeep matters. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147069 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e brings that peace of mind into one tidy box. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s crafted\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for boaters who’d rather spend their time out past the breakwater or riding a late-day chop than hunting down individual service parts. Everything you need is here, built to the same standard as the engine you trust every weekend.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for MerCruiser MPI engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, serpentine belt, spark plugs, thermostat, thermostat gasket, gearcase drain seals, and seawater pump impeller kit\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat filters deliver superior debris and water control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty electroplated housings resist corrosion season after season\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eExact OEM fit designed for predictable, dependable installation\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 5.0L, 5.7L, and 6.2L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e made by General Motors\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo sterndrives (2002 and newer)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esport boats, cruisers, bowriders, coastal fishing boats, and runabouts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e powered by these MPI platforms\u003c\/span\u003e\n\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\"\u003eIf you’ve spent enough seasons on the water, you can feel the difference between an engine that’s “fine” and one \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethat’s truly dialed in\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. This kit brings the engine back to that dialed-in state. Fresh spark plugs sharpen throttle response, especially when you jump on plane or push through a headwind. A new impeller restores healthy cooling flow, helping the engine run \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecool\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and steady even during long cruises at higher RPMs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe new serpentine belt is one of those items you never want to skip—when a belt goes, so does everything it drives. Replacing it now keeps your alternator, raw-water pump, and accessories spinning \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etight and smooth\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe filters handle \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e quiet \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ework in the background\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, protecting injectors, internal passages, and gearcase components from moisture and grit that can slowly rob performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEach item slips into place exactly where it belongs. No guessing. No odd fittings. Just clean, secure installs that get you back on the water with confidence.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eO\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEM Mercury components aren’t just “compatible”—\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethey’re built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to the same engineering standard as the original parts in your engine. That means better long-term reliability, predictable service intervals, and fewer headaches during the season. Aftermarket parts may be cheaper, but the cost of a mid-summer breakdown far outweighs the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmall\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edifference in price\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Wi\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eth OEM, you know you’re putting the right materials, dimensions, and tolerances back into your engine.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 5.0L, 5.7L, and 6.2L MPI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e engines paired with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, 2002 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why is OEM better than aftermarket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM parts fit perfectly, last longer, and match Mercury’s engineering standards—something aftermarket options often miss.\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 If your engine is MPI and your boat uses a Bravo drive (model year 2002 or newer), this is the correct 300-hour kit.\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 Absolutely. All components \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efreshwater and saltwater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation beginner-friendly?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re comfortable doing regular maintenance, this kit installs cleanly using standard tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187587363,"sku":"8M0147069","price":464.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147069_Main-1.jpg?v=1760631429"},{"product_id":"mercury-4-5l-mpi-bravo-rwc-mercruiser-300-hour-service-kit-8m0147067-2014-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 4.5L MPI Bravo Series | OEM Service Components | 8M0147067","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 4.5L MPI Bravo Series | OEM Service Components | 8M0147067\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\"\u003eWhen you run a MerCruiser 4.5L MPI engine with a Bravo sterndrive, you get used to a certain steady confidence. The kind that comes from crisp throttle response, clean acceleration, and no surprises when you push the boat into open water. But even the most dependable setup needs its big check-in. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147067 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e brings that familiar reassurance back to your boating routine. It’s all the essentials—thoughtfully packaged—so you can get your service done right and get back to the water without second-guessing a thing.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for 4.5L MPI engines with Bravo sterndrive\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, spark plugs, thermostat, thermostat gasket, serpentine belt, PCV valve, seawater pump impeller kit, and gearcase drain seals\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty electroplated housings for corrosion protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat filtration components for exceptional contaminant control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAll parts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebuilt\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to meet \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine OEM standards\u003c\/span\u003e\u003c\/strong\u003e\n\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.5L MPI engines with Bravo sterndrive\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFor model years \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2014 and newer\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erunabouts, sport boats, cruisers, fishing boats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and any Bravo-driven setup running the modern 4.5L powerplant\u003c\/span\u003e\n\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 300-hour service is the moment you reset everything that quietly keeps your boat running the way you love. Fresh ignition components help the engine light instantly and run \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmoother\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe new thermostat and gasket stabilize operating temperature, which you’ll notice \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eon\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e long idle stretches or \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eduring\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e slow-speed maneuvering.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The seawater pump impeller—one of the most critical pieces in the cooling system—gets replaced before it ever has the chance to cause a headache.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eserpentine belt refresh ensures you won’t deal with slipping, squealing, or unexpected accessory failures offshore. And the oil and fuel filters, with their precise OEM pleat counts, help keep contaminants from sneaking into your engine’s internals. Everything fits tight, clean, and secure, just as Mercury intended. No guesswork, no awkward adjustments, no “close enough.” This\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e kit restores the steady, predictable performance \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eyour 4.5L MPI was built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to deliver.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you’re this far from the ramp, original equipment parts matter. The tolerances are better, the materials stronger, and the fit exact. Mercury designs these components for their own engines—not for “almost everything”—and that difference shows in smoother running, longer lifespan, and fewer maintenance surprises. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM saves money in the long run because everything \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimply\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e works the way it should \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe first time\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.5L MPI engines paired with Bravo sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, model year 2014 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this kit stand out from aftermarket versions?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Every part is engineered to Mercury’s own specifications, ensuring perfect fit and reliable long-term performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I verify compatibility?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your engine is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4.5L MPI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo sterndrive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this is the correct 300-hour kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—every component is built for harsh marine environments, including corrosive conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. If you’re comfortable performing scheduled maintenance, everything installs cleanly with standard tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187620131,"sku":"8M0147067","price":365.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147067_Main-1.jpg?v=1760631436"},{"product_id":"mercury-5-0l-5-7l-mpi-alpha-rwc-mercruiser-300-hour-service-kit-8m0147068-2002-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 5.0L \u0026 5.7L MPI Alpha Series | OEM Service Components | 8M0147068","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 5.0L \u0026amp; 5.7L MPI Alpha Series | OEM Service Components | 8M0147068\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\"\u003eThere’s a certain peace that settles in when you turn the key and your MerCruiser 5.0L or 5.7L MPI fires up exactly the way it should. No hesitation, no odd sounds—just that familiar, steady rumble that tells you your boat is ready for another long run. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147068 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is built for that moment. It’s designed for boaters who’d rather spend their weekends on open water than worrying about whether critical service items have been replaced on time. Everything you need is in one box, purpose-built to keep your Alpha-driven MPI engine running smooth, cool, and confident.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for MerCruiser 5.0L and 5.7L MPI engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, spark plugs, thermostat, thermostat gasket, serpentine belt, and gearcase drain seals\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFilters feature high internal pleat counts for superior contaminant control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eElectroplated housings support long-term corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eBuilt to Merc\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eury Marine’s strict OEM standards for durability and reliability\u003c\/span\u003e\n\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 5.0L and 5.7L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e made by General Motors\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrives (2002 and newer)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esport boats, runabouts, family cruisers, bowriders, and fishing boats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e using these popular MPI powerplants\u003c\/span\u003e\n\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\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour service isn’t just a maintenance chore—it’s what keeps your engine feeling tight, responsive, and trustworthy when you push the throttle forward. Fresh spark plugs restore crisp ignition under load, which you’ll notice during hole shots or when cruising at midrange speeds. A \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003enew thermostat and gasket ensure the engine maintains a steady temperature, preventing hot spots and maintaining peak fuel efficiency.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe serpentine belt replacement is one of those upgrades you truly appreciate on the water. A fresh belt eliminates slipping, squealing, or unexpected accessory failures. Meanwhile, the included filters handle the invisible but important work—keeping debris and moisture out of the engine and fuel system, so your boat runs smoother with every outing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEvery component fits exactly as intended—tight, secure, and without the slightest modification. With OEM parts, you don’t wrestle with sizing or questionable materials. You simply install, torque down, and get back on the water.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury builds these kits around the engines they designed, so every piece matches factory specifications. That means reliable fit, fewer surprises during installation, and a service life you can count on. Afte\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ermarket parts may look similar, but they don’t offer the same long-term dependability, especially in corrosive marine environments. Using genuine Mercury components protects your investment, improves engine longevity, and reduces the chance of midseason breakdowns.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Thi\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003es kit fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 5.0L and 5.7L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e paired with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, model year 2002 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: How is this better than aftermarket kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM Mercury parts match factory specs for perfect fit and long-term reliability—something aftermarket rarely guarantees.\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 kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your setup is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e5.0L or 5.7L MPI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with an \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha drive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this is the correct 300-hour service kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for all water types?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—every component is engineered for both \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esaltwater and freshwater\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation approachable for most owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re comfortable with standard maintenance, this kit installs cleanly with everyday tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187685667,"sku":"8M0147068","price":340.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147068_Main-1.jpg?v=1760631426"},{"product_id":"mercury-4-3l-mpi-bravo-rwc-mercruiser-300-hour-service-kit-8m0147065-2002-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 4.3L MPI Bravo Series | OEM Service Components | 8M0147065","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 4.3L MPI Bravo Series | OEM Service Components | 8M0147065\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\"\u003eThere’s something steadying about knowing your engine is truly prepared for the long haul. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you run a MerCruiser 4.3L MPI paired with a Bravo sterndrive, you expect smooth pull, dependable cooling, and a throttle response that feels clean and confident every time you ease forward. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147065 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e brings that reassurance back into your routine. It’s the kit seasoned boaters keep on hand because it bundles everything you need for a major service interval—no scrambling, no guesswork, just genuine Mercury components built to protect your investment.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for 4.3L MPI Bravo sterndrive engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, spark plugs, thermostat, thermostat gasket, serpentine belt, gearcase drain seals, IAC air filter, and seawater pump impeller kit\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat, premium filtration components for maximum protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eElectroplated housings and marine-rated materials for corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAll parts engineered to \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine OEM standards\u003c\/span\u003e\u003c\/strong\u003e\n\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\n\u003cspan data-preserver-spaces=\"true\"\u003eF\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.3L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e built by General Motors\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for engines paired with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo sterndrives\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with model years \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2002 and newer\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erunabouts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esport boats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efamily cruisers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eweekend fishing vessels\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e relying on the 4.3L\/Bravo combination\u003c\/span\u003e\n\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\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 300-hour service is one of those milestones that separates “good enough” maintenance from the kind that keeps an engine running like new. This kit revives performance across the entire system. The new spark plugs restore crisp, confident ignition. A fresh serpentine belt means smoother accessory operation with less strain when you throttle up. The IAC air filter helps refine idle quality, making low-speed maneuvering more predictable and less choppy.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOne standout addition in this kit is the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eseawater pump impeller\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, a critical piece for Bravo-driven boats. A strong impeller ensures steady cooling water flow—something you’ll feel in lower engine temps and reliable performance on long runs. The new fuel and oil filters eliminate debris and water, tightening up fuel delivery and protecting internal components from unnecessary wear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEverything in this kit is chosen specifically for how the 4.3L MPI and Bravo system behaves under real-world use: heat, vibration, long hours, stop-and-go cruising, and even the hard pulls that come with tow sports. When you replace these parts as a set, you give your engine a clean slate—one you’ll feel the moment it comes back to life.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere’s value in knowing the parts you’re installing aren’t “close enough,” but correct in every dimension. Mercury’s OEM components are built for exact fit and tested under the same demands as factory engines. Tha\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003et means no premature wear, no questionable seals, and no surprises halfway through your boating season. Aftermarket kits often mix materials or cut corners on filtration, and that gamble rarely pays off over time. With OEM, you’re protecting your engine the way Mercury intended—reliably, consistently, and affordably in the long run.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.3L MPI engines with Bravo sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, model year 2002 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it 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 Mercury’s exact engineering standards—better fit, better reliability, and proven long-term durability.\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 kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If your boat has a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4.3L MPI engine\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e paired with a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo sterndrive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, this is the correct 300-hour service kit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in freshwater and saltwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAll components are built to withstand harsh marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation easy?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most owners familiar with routine maintenance find this kit straightforward. Every part replaces an existing component directly.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935187882275,"sku":"8M0147065","price":393.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147065_Main-1.jpg?v=1760631428"},{"product_id":"mercury-3-0l-mpi-rwc-mercruiser-300-hour-service-kit-8m0147062-2008-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 3.0L MPI | OEM Service Components | 8M0147062","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 3.0L MPI | OEM Service Components | 8M0147062\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\"\u003eAnyone running a MerCruiser 3.0L MPI knows the engine’s charm: it’s straightforward, fuel-friendly, and consistently dependable. But even the most reliable \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003epowerplants\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e need deep, thoughtful care every few hundred hours. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147062 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gathers every critical service item into one tidy package, giving you the confidence that your MPI engine will keep starting strong, idling clean, and pushing you across open water with that smooth, familiar rhythm. It’s the kind of routine maintenance that doesn’t just protect your investment—it makes every weekend run feel better, cleaner, and more secure.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for 3.0L MPI MerCruiser engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, gearcase drain seals, spark plugs, thermostat, thermostat gasket, V-belts, and an IAC air filter\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat oil and fuel filters ensure superior debris control\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eElectroplated housings resist corrosion in harsh marine environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOEM-engineered components maintain factory performance and longevity\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 3.0L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e built by General Motors (\u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2008 and newer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with popular sterndrive layouts found in bowriders, runabouts, fishing boats, and light cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for single-engine and twin-engine configurations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eboats\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e using Gen-based GM MPI systems\u003c\/span\u003e\n\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 proper 300-hour service restores the backbone of your engine’s health. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe new \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003espark plugs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebring back\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e crisp ignition, helping the engine fire with \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emore\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e confidence and consistency.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethermostat and gasket\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e stabilize operating temperature, ensuring the MPI system delivers the smooth throttle response it’s known for. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eClean \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil and fuel filters\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ekeep\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e impurities from \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eslipping into\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the system, protecting injectors, bearings, and internal passages.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe addition of a fresh \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIAC air filter\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is a subtle but \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eimportant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e upgrade—keeping idle control steady and predictable, especially during tight maneuvering around docks or slow cruising through the marina. Meanwhile, the new \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eV-belts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e restore tension and eliminate the subtle squeaks or slippage that often creep in with age.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAltogether, this kit brings back that “tight and steady” feeling—the sensation of a healthy engine responding exactly the way it should.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAn MPI engine runs best when \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eevery component is speaking\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the same engineering language. That’s where OEM parts matter. Mercury’s filters, seals, thermostats, and belts \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to the exact tolerances the engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas designed around\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. Aftermarket alternatives may save a few dollars, but they rarely offer the same filtration efficiency, material hardness, or corrosion resistance—especially in saltwater.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith an OEM kit, you avoid surprises and protect the longevity of your investment. It’s the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esmarter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e choice for boaters who’d rather spend time on the water than troubleshooting avoidable failures.\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 this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e This kit \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis made\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 3.0L MPI engines from 2008 and newer\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes it better than aftermarket kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM parts deliver exact fitment, better filtration, and proven durability in marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm this is the \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eright\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine’s year and model—if you have a 3.0L MPI (2008+), this is the correct option.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. Every component \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for both freshwater and saltwater conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e If you’re comfortable with routine maintenance, this kit installs cleanly and predictably.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935188013347,"sku":"8M0147062","price":168.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147062_Main-1.jpg?v=1760631434"},{"product_id":"mercury-4-3l-carb-alpha-rwc-without-remote-oil-mercruiser-300-hour-service-kit-8m0147063-1996-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 4.3L Carbureted Alpha Drive | OEM Service Components | 8M0147063","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 4.3L Carbureted Alpha Drive | OEM Service Components | 8M0147063\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 MerCruiser 4.3L carbureted engine, you know exactly what it feels like when that V6 is dialed in just right—smooth throttle, clean exhaust note, and the steady push that lets you relax into a long stretch of open water. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147063 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e is built for boaters who want to keep that feeling going. Everything in this kit supports the health, efficiency, and reliability of your engine and Alpha sterndrive system, giving you the peace of mind that only a proper, factory-spec service can offer. Whether you’re cruising a quiet lake or running a long coastal channel, this kit helps ensure your engine responds the way it should every time you turn the key.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for 4.3L carbureted MerCruiser engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eWorks with engines using \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003edirect-to-block oil filter mounting\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrive systems (1996 and newer)\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, gearcase drain seals, spark plugs, thermostat, thermostat gasket, and serpentine belt\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh-pleat oil and fuel filters capture fine debris for cleaner lubrication and fuel delivery\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCorrosion-resistant housings and materials designed for harsh marine environments\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.3L carbureted engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e made by General Motors\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eC\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eompatible with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrives from 1996 and newer\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for bowriders, cuddy cabins, runabouts, ski boats, and light cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for both recreational and light commercial applications\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 proper 300-hour service is more than just a checklist—it’s a chance to restore the engine to its best self. Cl\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eean \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003espark plugs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e help bring back crisp starts and smooth acceleration. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethermostat and gasket\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ensure stable temperature control, preventing the swings that can hurt performance over time. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eserpentine belt\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e refreshes accessory drive alignment, removing the wobble, slip, or squeal that often sneaks up after a few seasons.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTh\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ee included \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil and fuel filters\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e play the biggest role in long-term health by keeping contaminants out of critical pathways. You’ll notice steadier idle, smoother transitions on and off plane, and more predictable throttle response. And with fresh \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egearcase drain seals\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, you protect the sterndrive from water intrusion—one of the biggest threats to gear longevity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen all these components work together, you get a more confident, more enjoyable ride. Everything feels tighter, cleaner, and more willing.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury designs these kits around the exact specifications of each engine family. That means every part—every seal, filter, and belt—is built to the tolerances your engine was engineered for. Aftermarket substitutions might seem tempting, but they rarely match OEM quality, especially when exposed to saltwater or high-hour use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWith OEM parts, you’ll get better reliability, fewer surprises, and long-term protection for your investment. It’s the smart choice for boaters who would rather spend their weekends out on the water than dealing with unexpected repair bills.\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: W\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehich engines does this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.3L carbureted engines (1996 and newer)\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with oil filters mounted directly to the block and Alpha sterndrives.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes OEM better than aftermarket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM parts match exact engineering specs, ensuring proper filtration, durability, and fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How can I confirm it’s the right kit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Ch\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eeck that your 4.3L carb engine uses a block-mounted oil filter and an Alpha sterndrive.\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—every component is designed for saltwater and freshwater 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 If you’re comfortable with routine marine maintenance, this kit installs cleanly and predictably.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935188046115,"sku":"8M0147063","price":210.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147063_Main-1.jpg?v=1760631428"},{"product_id":"mercury-4-3l-mpi-alpha-rwc-mercruiser-300-hour-service-kit-8m0147064-2002-current","title":"Mercury – 300 Hour Maintenance Kit | MerCruiser 4.3L MPI Alpha Series | OEM Service Components | 8M0147064","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit | MerCruiser 4.3L MPI Alpha Series | OEM Service Components | 8M0147064\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\"\u003eThere’s a certain comfort that comes from knowing your engine is ready for whatever the water throws your way. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you run a MerCruiser 4.3L MPI with an Alpha sterndrive, you expect smooth throttle response, steady cooling, and the kind of reliability that lets you explore a little farther each time. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury 8M0147064 300 Hour Maintenance Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e keeps that trust alive. It’s the kit you reach for when you’d rather enjoy your season than worry about preventable breakdowns. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEverything inside is purpose-built, familiar, and designed to keep your engine running the way it did on its best day.\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\n\u003cspan data-preserver-spaces=\"true\"\u003eComplete \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e300-hour service kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for MerCruiser 4.3L MPI engines\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eIncludes \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eoil filter, fuel filter, gearcase drain seals, spark plugs, thermostat, thermostat gasket, serpentine belt, and IAC air filter\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePremium filtration components with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehigh pleat counts\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eelectroplated housings\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for corrosion resistance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eAssembled to meet \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine OEM specifications\u003c\/span\u003e\u003c\/strong\u003e\n\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\n\u003cspan data-preserver-spaces=\"true\"\u003eFits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.3L MPI engines\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e made by General Motors\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eFor engines paired with an \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrive\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with model years \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2002 and newer\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003ePerfect for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003erunabouts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebowriders\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efamily cruisers\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003esport boats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003efishing boats\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e using the 4.3L MPI package\u003c\/span\u003e\n\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 300-hour service isn’t just another item on the checklist—it’s a reset button for your engine’s dependability. Each part in this kit plays a role you’ll feel out on the water. The new spark plugs bring back crisp ignition. The IAC air filter and fuel filter help the engine breathe and burn clean, giving you steadier idle and smoother acceleration. Fresh gearcase seals keep the oil where it belongs, fighting off the wear that comes with long days spent at various speeds.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe heavy-duty thermostat and gasket restore proper temperature regulation, meaning the engine runs cooler and more consistent when you’re pushing through chop or easing into the no-wake zone. And because every component is selected specifically for the 4.3L MPI\/Alpha pairing, you don’t deal with the uncertainty of mismatched aftermarket pieces. Everything fits tight. Everything works right. It’s maintenance made simple so your time can be spent boating—not wrenching.\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen it comes to service intervals this important, OEM isn’t a luxury—it’s your best protection. Mer\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ecury designs these parts around the exact operating demands of the 4.3L MPI engine. The fit is precise, the filtration is proven, and the materials are chosen specifically to handle marine heat, vibration, and corrosion. Aftermarket kits often cut corners on filter quality and seal durability, which can create new problems instead of preventing them. Wit\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eh this kit, you know you’re installing the same caliber of components Mercury trusts on every factory build.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you want long engine life, factory reliability, and zero guesswork, OEM is the only real choice.\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 this maintenance kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser 4.3L MPI engines with Alpha sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e from 2002 and newer.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why choose this over aftermarket kits?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM components match the exact specs Mercury designed for your engine—better fit, better longevity, better reliability.\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 Check that your engine is a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e4.3L MPI\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e paired with an \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAlpha sterndrive\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and falls within the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e2002+ model range\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both freshwater and saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—every component is built to withstand the corrosive challenges of either environment.\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 Most boat owners find the kit intuitive to use. Each part replaces a factory component directly, with no modification needed.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935188308259,"sku":"8M0147064","price":309.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147064_Main-1.jpg?v=1760631426"}],"url":"https:\/\/partsvu.com\/en-au\/collections\/mercruiser-300-hour-service-kits.oembed","provider":"PartsVu","version":"1.0","type":"link"}