{"title":"4.5L MerCruiser 100 \u0026 300 Hour Service Kits","description":"","products":[{"product_id":"mercury-4-5l-6-2l-mercruiser-100-hour-service-kit-8m0147052-2014-current","title":"Mercury – 100 Hour Maintenance Kit | MerCruiser 4.5L V6 \u0026 6.2L V8 | Complete Service Components | 8M0147052","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 100 Hour Maintenance Kit | MerCruiser 4.5L V6 \u0026amp; 6.2L V8 | Complete Service Components | 8M0147052\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a certain ease you feel when you know your engine is taken care of — the kind that settles in when you turn the key and your MerCruiser lights off with that smooth, confident rumble. That peace of mind doesn’t come by accident. It comes from staying on top of routine care, especially the 100-hour service that keeps everything running tight, clean, and ready for the next stretch of water. The Mercury 8M0147052 100 Hour Maintenance Kit puts all the essentials for that service in one place, making the job simple and worry-free.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstead of piecing together filters and seals or hoping the parts you grabbed actually match your engine, this kit delivers every component built exactly to Mercury’s own specifications. It’s clean, reliable, and built for boaters who’d rather spend weekends cruising, fishing, or pulling kids on tubes — not hunting down mismatched parts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete 100-hour service kit for MerCruiser 4.5L V6 and 6.2L V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes premium oil filter, fuel filter, and gearcase drain seals\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHigh pleat-count filter media for increased filtration and longer component life\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty electroplated housings resist corrosion in harsh marine environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProduced to Mercury Marine OEM standards for performance and longevity\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for MerCruiser 4.5L V6 and 6.2L V8 sterndrive and inboard engines (2014 and newer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon in sport boats, bowriders, cabin cruisers, runabouts, and family boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for both recreational inland boating and coastal use\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with engines built directly by Mercury Marine (not General Motors–based models)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Using this kit is really about \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003egiving your engine the best chance to perform at its peak\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e season after season. The included oil filter maintains a steady, clean flow even during high-load operation, while the fuel filter helps your engine breathe freely and respond smoothly when you ask for power. The gearcase drain seals add extra security to one of your engine’s most vulnerable systems, helping to keep water where it belongs — outside the case.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAfter performing your maintenance with this kit, you’ll likely notice a smoother idle, cleaner acceleration, and a sense of confidence that your engine is protected from the inside out. Every part fits perfectly, threads cleanly, and performs exactly as intended because each one \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis engineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e by the same people who built your engine.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When it comes to engine maintenance, shortcuts tend to show up later — usually at the worst possible time. Mercury OEM parts are designed specifically for your MerCruiser engine, offering dependable filtration, superior corrosion resistance, and precise fitment that aftermarket parts rarely match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eYou’re not just buying components — you’re buying longevity, efficiency, and the reassurance that your engine \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis protected\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e by the same standards Mercury uses on the production line. It’s practical, it’s cost-effective, and it keeps your engine ready for whatever the season brings.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ Section\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\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 \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt fits \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e 4.5L V6 and 6.2L V8 sterndrive and inboard engines \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emade by Mercury Marine\u003c\/span\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 makes this kit better than aftermarket alternatives?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM Mercury parts ensure \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eperfect\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e fit, premium filtration materials, and superior corrosion resistance designed for 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 right kit for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your engine’s model and production year. If it’s a 4.5L V6 or 6.2L V8 built in 2014 or later, 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 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 handle both environments when paired with the correct lubricants.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is the installation manageable for most boat owners?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most routine do-it-yourselfers can handle it with basic tools. Everything installs cleanly and without guesswork.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":45626592493859,"sku":"8M0147052","price":76.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8M0147052_Main.jpg?v=1760631413"},{"product_id":"partsvu-lower-unit-gear-lube-oil-pump-f-standard-quart-bottles-fits-3-8-16-drain-plug-includes-8mm-adapter-pv1005051","title":"PartsVu - Lower Unit Gear Lube Oil Pump - f\/ Standard Quart Bottles - Fits 3\/8\" - 16 drain plug - Includes 8mm adapter - PV1005051","description":"\u003cp\u003e\u003cstrong\u003ePartsVu - Lower Unit Gear Lube Oil Pump  - f\/ Standard Quart Bottles - Fits 3\/8\" - 16 drain plug - Includes 8mm adapter - PV1005051 (gear lube sold separately)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA must have for every DIY mechanic, this versatile lower unit gear lube pump takes the guesswork out of the job. Simply drain the old gear oil, attach the pump, efficiently and effectively pump in the new oil, and get back out on the water for more boating fun!\u003c\/p\u003e\n\u003cp\u003eWith the included adapter, this pump will fit \u003cem\u003e\u003cstrong\u003emost \u003c\/strong\u003e\u003c\/em\u003eall outboards and sterndrives, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha\u003c\/li\u003e\n\u003cli\u003eMercury \/ MerCruiser\u003c\/li\u003e\n\u003cli\u003eSuzuki\u003c\/li\u003e\n\u003cli\u003eTohatsu\u003c\/li\u003e\n\u003cli\u003eHonda\u003c\/li\u003e\n\u003cli\u003eJohnson \/ Evinrude\u003c\/li\u003e\n\u003cli\u003eOMC\u003c\/li\u003e\n\u003cli\u003eCobra\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMost all outboards and sterndrives produced by US manufacturers will use the standard 3\/8\" fitting. \u003c\/p\u003e\n\u003cp\u003eMost all non-US outboard and sterndrives will require the 8mm adapter installed on top of the 3\/8\" fitting.\u003c\/p\u003e\n\u003cp\u003eThe pumps cap adapter fits all standard quart bottles with a 28mm or 1.125\" opening. \u003c\/p\u003e\n\u003cp\u003eA rubber cap is included to keep the pump clean in between uses.\u003c\/p\u003e","brand":"PartsVu","offers":[{"title":"Default Title","offer_id":46932990066979,"sku":"PV1005051","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/yamwpump.jpg?v=1698781778"},{"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-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":"blackstone-laboratories-oil-analysis-kit-engine-or-transmission-oil-testing-4-pack","title":"Blackstone Laboratories Oil Analysis Kit - Engine or Transmission Oil Testing - 4-pack","description":"\u003cp\u003ePartsVu has partnered with Blackstone Labratories to give you the opportunity to know exactly how your engine, transmission, gear set, or generator is performing right now, through oil analysis. \u003c\/p\u003e\n\u003cp\u003eYou will receive everything you need to ship an oil sample to the professionals at Blackstone. The lab report will indicate if oil change intervals are on time, if there are contaminants like water, coolant, or salt present, and analyze a full spectrum of metals that might identify premature engine wear before it results in a costly or dangerous failure.\u003c\/p\u003e\n\u003cp\u003eThese oil sample kits can be used with inboard, outboard, gas, and diesel engines. The kits come complete with the following:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSample Bottle\u003c\/li\u003e\n\u003cli\u003ePlastic Bag \u0026amp; Absorbent Mat\u003c\/li\u003e\n\u003cli\u003eExternal Contaminent Bottle\u003c\/li\u003e\n\u003cli\u003ePrepaid Shipping Label to send the oil sample back to Blackstone Labs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSimply collect a small sample, fill out the sample card and drop the kit in the mailbox. Once Blackstone receives the oil sample, in a few days you will receive an email with the test results and a simplified breakdown of what the results mean. \u003c\/p\u003e\n\u003cp\u003eBlackstone will archive your sample and it can be used for future testing to further determine how your boat is performing over time.\u003c\/p\u003e\n\u003cp\u003eBelow is a sample report:\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/www.partsvu.com\/pub\/media\/wysiwyg\/BlackstoneLabSample1_2.jpg\"\u003e\u003c\/p\u003e","brand":"PartsVu","offers":[{"title":"Default Title","offer_id":48330423107875,"sku":"PVA00002","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/blackstone_4pack1_1.jpg?v=1714497760"}],"url":"https:\/\/partsvu.com\/en-mx\/collections\/4-5l-mercruiser-100-300-hour-service-kits.oembed","provider":"PartsVu","version":"1.0","type":"link"}