{"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","url":"https:\/\/partsvu.com\/en-mx\/products\/mercury-alpha-one-mercruiser-300-hour-service-kit-8m0147072-1990-1994","provider":"PartsVu","version":"1.0","type":"link"}