{"title":"Mercury Outboard 300 Hour Service Kits","description":"","products":[{"product_id":"mercury-serv-kit-300-hrs-8m0172448","title":"Mercury - Serv kit-300 hrs - 8M0172448","description":"\u003cp\u003eMercury - Serv kit-300 hrs - 8M0172448\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935156490531,"sku":"8M0172448","price":685.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m01729999999448.jpg?v=1698792228"},{"product_id":"mercury-300-hour-kit-without-anodes-l6-verado-200-350-hp-2b144022-below-8m0149427","title":"Mercury – 300 Hour Maintenance Kit (No Anodes) | Verado L6 Series | OEM Service Components | 8M0149427","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – 300 Hour Maintenance Kit (No Anodes) | Verado L6 Series | OEM Service Components | 8M0149427\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\"\u003eThere’s a certain peace that comes from knowing your engine is cared for the same way Mercury intended. When you’re running a big Verado, you don’t want shortcuts or guesswork—you want parts that keep the engine smooth, predictable and ready for whatever the day brings. The Mercury 300 Hour Maintenance Kit 8M0149427 delivers that confidence. It gathers every essential service item you need for a major interval, without the extra anodes you may not require. It’s clean, complete and built for boaters who simply want their engine to run right.\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 service kit (anode-free version)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIncludes oil filter, fuel filter, oil drain seals, spark plugs, thermostat and alternator belt\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eContains a full water pump impeller repair kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury-tested components for fit and longevity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for heavy-usage outboards that demand reliable service intervals\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 200–300hp Verado outboards\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits models with serial number 2B144122 and below\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for offshore center consoles, bay boats, pontoon rigs and performance craft\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for commercial SeaPro setups that run high hours\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\"\u003eA 300-hour service isn’t something you take lightly—especially with a Verado. This kit gives you everything you need to keep the engine running tight and responsive, without tracking down individual parts. The included filters hold strong under high RPM cruising and idle time alike, catching fine debris before it can work its way into sensitive systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe thermostat and impeller kit help maintain steady cooling flow, which you’ll feel in consistent temperature readings and smoother long-run performance. And the updated alternator belt ensures the kind of dependable charging your electronics expect on long days offshore. When all these pieces work together, your engine feels settled—no surging, no hesitation, just steady push and clean throttle response.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBecause the kit doesn’t include anodes, you’re free to replace them on your own schedule, which makes sense for owners who track wear closely or run mostly freshwater. Everything else is here, neatly packaged, ready to install without the back-and-forth runs to the parts counter.\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\"\u003eMercury OEM components aren’t just built to fit—they’re engineered as part of the system. Using the parts Mercury intended means tolerances line up, seals don’t leak and your engine performs the same way it did on day one. Aftermarket bundles may look tempting, but they often cut corners on filter media, impeller materials or gasket quality.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf a buddy on your dock asked for real-world advice, you’d probably tell them this: “For a major service, don’t risk it. Stick with Mercury OEM and you’ll only do the job once.”\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 fits in-line 6-cylinder 200–300hp Verado models with serial number 2B144122 and below.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why doesn’t this kit include anodes?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It’s designed for owners who prefer replacing anodes on a different schedule or who don’t need them at this interval.\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\"\u003e:\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e How can I confirm this is the correct kit for my engine?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your serial number and ensure your engine is an L6 Verado within the listed range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for both saltwater and freshwater boats?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. All components are engineered for full marine exposure.\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’ve done routine maintenance before, this kit is clear and manageable. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA service manual helps with torque specs and procedures.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46935185228067,"sku":"8M0149427","price":506.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0149427_main.jpg?v=1760631442"},{"product_id":"mercury-outboard-75-115-hp-4-stroke-1-7l-complete-300-hour-service-maintenance-kit-10w-30-s-n-1b366823-2b094995-8m0097857","title":"Mercury Outboard 75-115 HP 4 Stroke 1.7L Complete 300 Hour Service Maintenance Kit 10W-30 - S\/N 1B366823 - 2B094995 - 8M0097857","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097857\u003c\/h2\u003e\n\u003cp\u003eHit the 300 hour milestone with confidence using a complete service kit for Mercury 75–115 HP 1.7L four-stroke outboards. This kit combines the core oil-change and gearcase items with the additional wear parts commonly addressed at the 300 hour interval—cooling components, ignition parts, belt service, and corrosion protection. It is a straightforward way to refresh critical systems, reduce downtime, and keep your outboard running strong for the next season of use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 1B366823 – 2B094995\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 10W-30 Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Fuel Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and belt wear items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filters help reduce debris before it reaches sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace spark plugs at 300 hours?\u003c\/strong\u003e\u003cbr\u003ePlugs can wear and foul over time. Replacing them helps support clean combustion, smoother idle, and dependable starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the anodes protect?\u003c\/strong\u003e\u003cbr\u003eAnodes help protect key submerged metal components by sacrificing themselves to reduce galvanic corrosion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my engine?\u003c\/strong\u003e\u003cbr\u003eVerify your outboard falls within the listed serial number range before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125894496547,"sku":"PVM00078","price":521.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097857-1030.jpg?v=1701377076"},{"product_id":"mercury-75-115-hp-4-stroke-2-1l-complete-300-hour-service-maintenance-kit-10w-30-8m0097855","title":"Mercury 75-115 HP 4 Stroke 2.1L Complete 300 Hour Service Maintenance Kit 10W-30 - 8M0097855","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097855\u003c\/h2\u003e\n\u003cp\u003eWhen your Mercury 65–115 HP 2.1L four-stroke hits the 300 hour interval, it is time for more than a basic oil change. This complete kit pulls the major service items into one package—engine oil, gear lube, key filters, water pump components, ignition parts, and corrosion protection—so you can tackle the bigger milestone service with fewer separate orders. It is a practical way to refresh wear items, restore cooling system confidence, and keep performance consistent season after season.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 10W-30 Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Rail Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode Kit (Does Not Include Trim Tab Anode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Water pump components and a thermostat help support stable operating temps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel system protection:\u003c\/strong\u003e Includes multiple fuel filters to help keep debris out of sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Anode kit helps reduce galvanic corrosion in common harsh-water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does this kit include both an in-line fuel filter and a fuel rail filter?\u003c\/strong\u003e\u003cbr\u003eThey protect different parts of the fuel system—replacing both at the interval helps keep fuel flow clean and consistent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the anode kit include the trim tab anode?\u003c\/strong\u003e\u003cbr\u003eNo, this kit does not include the trim tab anode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a water pump repair kit really necessary at 300 hours?\u003c\/strong\u003e\u003cbr\u003eMany 300 hour schedules include water pump service because the impeller and wear components are time-and-use sensitive.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895381283,"sku":"PVM00070","price":392.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097855_10w-30.jpg?v=1701377079"},{"product_id":"mercury-75-115-hp-4-stroke-2-1l-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-8m0097855","title":"Mercury 75-115 HP 4 Stroke 2.1L Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - 8M0097855","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097855\u003c\/h2\u003e\n\u003cp\u003eWhen your Mercury 2.1L four-stroke reaches the 300 hour service interval, it is time for more than a basic oil change. This complete kit is built around \u003cstrong\u003e25W-40 synthetic blend\u003c\/strong\u003e four-stroke oil and bundles the major milestone-service items into one package—engine oil, gear lube, key filters, water pump components, ignition parts, and corrosion protection. It is a clean way to refresh wear items, restore cooling system confidence, and keep your outboard running smoothly through long days on the water.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Synthetic Blend Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 25W-40 Synthetic Blend Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Rail Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode Kit (Does Not Include Trim Tab Anode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Water pump components and a thermostat help support stable operating temps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel system protection:\u003c\/strong\u003e Includes multiple fuel filters to help keep debris out of sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Anode kit helps reduce galvanic corrosion in common harsh-water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does this kit include both an in-line fuel filter and a fuel rail filter?\u003c\/strong\u003e\u003cbr\u003eThey protect different parts of the fuel system—replacing both at the interval helps keep fuel flow clean and consistent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the anode kit include the trim tab anode?\u003c\/strong\u003e\u003cbr\u003eNo, this kit does not include the trim tab anode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a water pump repair kit really necessary at 300 hours?\u003c\/strong\u003e\u003cbr\u003eMany 300 hour schedules include water pump service because the impeller and wear components are time-and-use sensitive.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895282979,"sku":"PVM00073","price":410.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097855_25w-40s.jpg?v=1701377079"},{"product_id":"mercury-outboard-75-115-hp-4-stroke-1-7l-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-s-n-1b366823-2b094995-8m0097857","title":"Mercury Outboard 75 - 115 HP 4 Stroke 1.7L Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - S\/N 1B366823 - 2B094995 - 8M0097857","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097857\u003c\/h2\u003e\n\u003cp\u003eHit the 300 hour milestone with confidence using a complete service kit for Mercury 75–115 HP 1.7L four-stroke outboards. This kit is built around \u003cstrong\u003e10W-30 synthetic blend\u003c\/strong\u003e oil and combines the core oil-change and gearcase items with the additional wear parts commonly addressed at the 300 hour interval—cooling components, ignition parts, belt service, and corrosion protection. It is a straightforward way to refresh critical systems, reduce downtime, and keep your outboard running strong for the next season of use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 1B366823 – 2B094995\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Synthetic Blend Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 10W-30 Synthetic Blend Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Fuel Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and belt wear items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filters help reduce debris before it reaches sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace spark plugs at 300 hours?\u003c\/strong\u003e\u003cbr\u003ePlugs can wear and foul over time. Replacing them helps support clean combustion, smoother idle, and dependable starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the anodes protect?\u003c\/strong\u003e\u003cbr\u003eAnodes help protect key submerged metal components by sacrificing themselves to reduce galvanic corrosion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my engine?\u003c\/strong\u003e\u003cbr\u003eVerify your outboard falls within the listed serial number range before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895348515,"sku":"PVM00079","price":539.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097857_1030.jpg?v=1701377080"},{"product_id":"mercury-75-115-hp-4-stroke-2-1l-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-8m0097855","title":"Mercury 75-115 HP 4 Stroke 2.1L Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - 8M0097855","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097855\u003c\/h2\u003e\n\u003cp\u003eWhen your Mercury 2.1L four-stroke reaches the 300 hour service interval, it is time for more than a basic oil change. This complete kit is built around \u003cstrong\u003e10W-30 synthetic blend\u003c\/strong\u003e oil and bundles the major milestone-service items into one package—engine oil, gear lube, key filters, water pump components, ignition parts, and corrosion protection. It is a clean way to refresh wear items, restore cooling system confidence, and keep your outboard running smoothly through long days on the water.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Synthetic Blend Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 10W-30 Synthetic Blend Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Rail Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode Kit (Does Not Include Trim Tab Anode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Water pump components and a thermostat help support stable operating temps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel system protection:\u003c\/strong\u003e Includes multiple fuel filters to help keep debris out of sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Anode kit helps reduce galvanic corrosion in common harsh-water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does this kit include both an in-line fuel filter and a fuel rail filter?\u003c\/strong\u003e\u003cbr\u003eThey protect different parts of the fuel system—replacing both at the interval helps keep fuel flow clean and consistent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the anode kit include the trim tab anode?\u003c\/strong\u003e\u003cbr\u003eNo, this kit does not include the trim tab anode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a water pump repair kit really necessary at 300 hours?\u003c\/strong\u003e\u003cbr\u003eMany 300 hour schedules include water pump service because the impeller and wear components are time-and-use sensitive.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895512355,"sku":"PVM00071","price":410.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097855_10w-30s.jpg?v=1701377080"},{"product_id":"mercury-outboard-75-115-hp-4-stroke-1-7l-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-s-n-1b366823-2b094995-8m0097857","title":"Mercury Outboard 75 - 115 HP 4 Stroke 1.7L Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - S\/N 1B366823 - 2B094995 - 8M0097857","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097857\u003c\/h2\u003e\n\u003cp\u003eHit the 300 hour milestone with confidence using a complete service kit for Mercury 75–115 HP 1.7L four-stroke outboards. This kit is built around \u003cstrong\u003e25W-40 synthetic blend four-stroke oil\u003c\/strong\u003e and combines core oil-change and gearcase items with the additional wear parts commonly addressed at the 300 hour interval—cooling components, ignition parts, belt service, and corrosion protection. It is a straightforward way to refresh critical systems, reduce downtime, and keep your outboard running strong for the next season of use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 1B366823 – 2B094995\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Synthetic Blend Four-Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 25W-40 Synthetic Blend Four-Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Fuel Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and belt wear items commonly serviced at 300 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support stable operating temperatures and reliable water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filters help reduce debris and water contamination before it reaches sensitive components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion in harsh marine conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal and reduces the chance of seepage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace spark plugs at 300 hours?\u003c\/strong\u003e\u003cbr\u003ePlugs can wear and foul over time. Replacing them helps support clean combustion, smoother idle, and dependable starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the anodes protect?\u003c\/strong\u003e\u003cbr\u003eAnodes help protect key submerged metal components by sacrificing themselves to reduce galvanic corrosion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my engine?\u003c\/strong\u003e\u003cbr\u003eConfirm your outboard falls within the listed serial number range before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895446819,"sku":"PVM00081","price":539.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097857_2540.jpg?v=1701377080"},{"product_id":"mercury-75-115-hp-4-stroke-2-1l-complete-300-hour-service-maintenance-kit-25w-40-8m0097855","title":"Mercury 75-115 HP 4 Stroke 2.1L Complete 300 Hour Service Maintenance Kit 25W-40 - 8M0097855","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097855\u003c\/h2\u003e\n\u003cp\u003eWhen your Mercury 2.1L four-stroke reaches the 300 hour service interval, it is time for more than a basic oil change. This complete kit is built around \u003cstrong\u003e25W-40 four-stroke oil\u003c\/strong\u003e and bundles the major milestone-service items into one package—engine oil, gear lube, key filters, water pump components, ignition parts, and corrosion protection. It is a clean way to refresh wear items, restore cooling system confidence, and keep your outboard running smoothly through long days on the water.\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 25W-40 Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Rail Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode Kit (Does Not Include Trim Tab Anode)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Clamp\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Water pump components and a thermostat help support stable operating temps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel system protection:\u003c\/strong\u003e Includes multiple fuel filters to help keep debris out of sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Anode kit helps reduce galvanic corrosion in common harsh-water conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does this kit include both an in-line fuel filter and a fuel rail filter?\u003c\/strong\u003e\u003cbr\u003eThey protect different parts of the fuel system—replacing both at the interval helps keep fuel flow clean and consistent.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the anode kit include the trim tab anode?\u003c\/strong\u003e\u003cbr\u003eNo, this kit does not include the trim tab anode.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs a water pump repair kit really necessary at 300 hours?\u003c\/strong\u003e\u003cbr\u003eMany 300 hour schedules include water pump service because the impeller and wear components are time-and-use sensitive.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895643427,"sku":"PVM00072","price":392.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097855_25w-40.jpg?v=1701377081"},{"product_id":"mercury-40-50-60-complete-300-hour-service-maintenance-kit-10w-30-standard-gearcases-only-for-serial-numbers-1c453840-up-8m0113483","title":"Mercury 40\/50\/60 Complete 300 Hour Service Maintenance Kit 10W-30 - Standard Gearcases Only -  For Serial Numbers 1C453840 \u0026 Up - 8M0113483","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0113483\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit designed for Mercury 40, 50, and 60 HP four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 four-stroke oil\u003c\/strong\u003e, this kit includes the routine oil and gearcase service items along with the cooling, ignition, and corrosion components commonly replaced at the 300 hour interval. It is a convenient way to refresh critical systems and help maintain dependable performance season after season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 40\/50\/60 HP Four-Stroke – Standard Gearcases Only-8M0113483\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four-Stroke Engine Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Low Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat Gaskets\u003c\/strong\u003e (Included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete milestone coverage:\u003c\/strong\u003e Addresses oil, gearcase, cooling, ignition, and fuel system wear items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service help maintain proper operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel system protection:\u003c\/strong\u003e Replacing both low and high pressure fuel filters supports clean fuel delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit Command Thrust or other specialty gearcases?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is specifically for models equipped with standard gearcases only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace both fuel filters at 300 hours?\u003c\/strong\u003e\u003cbr\u003eFuel filters can accumulate debris and moisture over time. Replacing both supports consistent fuel pressure and engine performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I verify before ordering?\u003c\/strong\u003e\u003cbr\u003eConfirm your engine horsepower and that it is equipped with a standard gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895577891,"sku":"PVM00082","price":351.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113483_10w-30.jpg?v=1701377081"},{"product_id":"mercury-outboard-75-115-hp-4-stroke-1-7l-complete-300-hour-service-maintenance-kit-25w-40-s-n-1b366823-2b094995-8m0097857","title":"Mercury Outboard 75-115 HP 4 Stroke 1.7L Complete 300 Hour Service Maintenance Kit 25W-40 - S\/N 1B366823 - 2B094995 - 8M0097857","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0097857\u003c\/h2\u003e\n\u003cp\u003eHit the 300 hour milestone with confidence using a complete service kit for Mercury 75–115 HP 1.7L four-stroke outboards. This kit is built around \u003cstrong\u003e25W-40 four-stroke oil\u003c\/strong\u003e and combines the core oil-change and gearcase items with the additional wear parts commonly addressed at the 300 hour interval—cooling components, ignition parts, belt service, and corrosion protection. It is a straightforward way to refresh critical systems, reduce downtime, and keep your outboard running strong for the next season of use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 1B366823 – 2B094995\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Four Stroke Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e 25W-40 Four Stroke Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Fuel Filters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and belt wear items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filters help reduce debris before it reaches sensitive EFI components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace spark plugs at 300 hours?\u003c\/strong\u003e\u003cbr\u003ePlugs can wear and foul over time. Replacing them helps support clean combustion, smoother idle, and dependable starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the anodes protect?\u003c\/strong\u003e\u003cbr\u003eAnodes help protect key submerged metal components by sacrificing themselves to reduce galvanic corrosion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my engine?\u003c\/strong\u003e\u003cbr\u003eVerify your outboard falls within the listed serial number range before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895708963,"sku":"PVM00080","price":521.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097857-2540_1.jpg?v=1701377081"},{"product_id":"mercury-40-50-60-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-standard-gearcases-only-for-serial-numbers-1c453840-up-8m0113483","title":"Mercury 40\/50\/60 Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - Standard Gearcases Only - For Serial Numbers 1C453840 \u0026 Up - 8M0113483","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0113483\u003c\/h2\u003e\n\n\u003cp\u003eStay on schedule with a complete 300 hour service kit designed for Mercury 40, 50, and 60 HP four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 synthetic blend four-stroke oil\u003c\/strong\u003e, this kit combines routine oil-change and gearcase items with the additional wear parts commonly addressed at the 300 hour interval—fuel system filtration, cooling components, ignition parts, and corrosion protection. It is a simple way to refresh critical systems, reduce downtime, and keep your outboard running reliably for the next season of use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 40\/50\/60 HP Four-Stroke – Standard Gearcases Only\u003c\/p\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Synthetic Blend Four-Stroke Engine Oil (Gallon)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Low Pressure Fuel Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostat Gaskets\u003c\/strong\u003e (Included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond oil and gear lube to address cooling, ignition, and fuel filtration wear items.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures and reliable water flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh low and high pressure fuel filters help reduce debris before it reaches sensitive fuel system components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion in harsh marine conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit Command Thrust or other specialty gearcases?\u003c\/strong\u003e\u003cbr\u003e\nNo. This kit is intended for \u003cstrong\u003estandard gearcases only\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003e\nMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy replace both fuel filters at 300 hours?\u003c\/strong\u003e\u003cbr\u003e\nFuel filters can load up over time. Replacing both helps support consistent fuel pressure, smooth running, and dependable starting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat should I confirm before ordering?\u003c\/strong\u003e\u003cbr\u003e\nVerify your engine is a Mercury 40\/50\/60 HP four-stroke with a standard gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895774499,"sku":"PVM00083","price":363.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113483_10w-30s.jpg?v=1701377081"},{"product_id":"mercury-40-50-60-complete-300-hour-service-maintenance-kit-25w-40-standard-gearcases-only-for-serial-numbers-1c453840-up-8m0113483","title":"Mercury 40\/50\/60 Complete 300 Hour Service Maintenance Kit 25W-40 - Standard Gearcases Only -  For Serial Numbers 1C453840 \u0026 Up - 8M0113483","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0113483\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit designed for Mercury 40, 50, and 60 HP four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 four-stroke oil\u003c\/strong\u003e, this kit combines routine oil-change and gearcase service items with the additional wear parts commonly addressed at the 300 hour interval—fuel system filtration, cooling components, ignition parts, and corrosion protection. It is a simple way to refresh critical systems, reduce downtime, and keep your outboard running reliably for the next season of use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 40\/50\/60 HP Four-Stroke – Standard Gearcases Only\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Four-Stroke Engine Oil (Gallon)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Low Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermostat Gaskets\u003c\/strong\u003e (Included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond basic fluids to address cooling, ignition, and fuel filtration wear items.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures and reliable water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh low and high pressure fuel filters help reduce debris before it reaches sensitive fuel system components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion in harsh marine conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit Command Thrust or other specialty gearcases?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003estandard gearcases only\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace both fuel filters at 300 hours?\u003c\/strong\u003e\u003cbr\u003eFuel filters can load up over time. Replacing both helps support consistent fuel pressure, smooth running, and dependable starting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should I confirm before ordering?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is a Mercury 40\/50\/60 HP four-stroke with a standard gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895807267,"sku":"PVM00084","price":351.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113483_25w-40.jpg?v=1701377081"},{"product_id":"mercury-40-50-60-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-standard-gearcases-only-for-serial-numbers-1c453840-up-8m0113483","title":"Mercury 40\/50\/60 Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - Standard Gearcases Only -  For Serial Numbers 1C453840 \u0026 Up - 8M0113483","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0113483\u003c\/h2\u003e\n\n\u003cp\u003eStay on schedule with a complete 300 hour service kit designed for Mercury 40, 50, and 60 HP four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 synthetic blend four-stroke oil\u003c\/strong\u003e, this kit combines routine oil-change and gearcase service items with the additional wear parts commonly addressed at the 300 hour interval—fuel system filtration, cooling components, ignition parts, and corrosion protection. It is a simple way to refresh critical systems, reduce downtime, and keep your outboard running reliably for the next season of use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 40\/50\/60 HP Four-Stroke – Standard Gearcases Only\u003c\/p\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Synthetic Blend Four-Stroke Engine Oil (Gallon)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Low Pressure Fuel Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermostat Gaskets\u003c\/strong\u003e (Included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Repair Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Power Trim Anode\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Lower Unit Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Goes beyond basic fluids to address cooling, ignition, and fuel filtration wear items.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller components help support stable operating temperatures and reliable water flow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh low and high pressure fuel filters help reduce debris before it reaches sensitive fuel system components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes trim and lower unit anodes to help reduce galvanic corrosion in harsh marine conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit Command Thrust or other specialty gearcases?\u003c\/strong\u003e\u003cbr\u003e\nNo. This kit is intended for \u003cstrong\u003estandard gearcases only\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy are there 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003e\nMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy replace both fuel filters at 300 hours?\u003c\/strong\u003e\u003cbr\u003e\nFuel filters can load up over time. Replacing both helps support consistent fuel pressure, smooth running, and dependable starting.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat should I confirm before ordering?\u003c\/strong\u003e\u003cbr\u003e\nVerify your engine is a Mercury 40\/50\/60 HP four-stroke with a standard gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895840035,"sku":"PVM00085","price":363.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0113483_25w-40s.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-10w-30-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 10W-30 - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eKeep your small-horsepower Mercury running strong with a complete 300 hour service kit designed for 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 four-stroke oil\u003c\/strong\u003e, this kit includes the essential maintenance components commonly replaced at the 300 hour interval—covering lubrication, cooling, ignition, fuel filtration, and corrosion protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete milestone service:\u003c\/strong\u003e Covers oil, gearcase, cooling, ignition, and fuel filtration components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Impeller and thermostat replacement help maintain proper operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable starting and performance:\u003c\/strong\u003e Fresh spark plugs and fuel filter support clean combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e New anode helps reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is designed for carbureted 209cc 8 HP and 9.9 HP models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\u003cbr\u003eVerify your horsepower, engine type (carbureted 209cc), serial number range, and that your engine uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895872803,"sku":"PVM00086","price":223.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837-1030.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-10w-30-synthetic-blend-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 10W-30 Synthetic Blend - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 synthetic blend four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Synthetic Blend Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filters, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for carbureted 209cc 8 HP and 9.9 HP four-stroke models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895905571,"sku":"PVM00087","price":226.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837_1030.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-25w-40-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 25W-40 - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filters, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for carbureted 209cc 8 HP and 9.9 HP four-stroke models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895938339,"sku":"PVM00088","price":223.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837-2540.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-complete-300-hour-service-maintenance-kit-standard-gearcase-only-25w-40-synthetic-blend-8m0120837-s-n-0r042475-above","title":"Mercury 8\/9.9 Complete 300 Hour Service Maintenance Kit Standard Gearcase Only 25W-40 Synthetic Blend - 8M0120837 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120837\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003estandard gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 synthetic blend four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e8 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003cli\u003e9.9 HP Carb (209cc) – Serial 0R042475 \u0026amp; up\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 25W-40 Synthetic Blend Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filter, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit EFI models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for carbureted 209cc 8 HP and 9.9 HP four-stroke models only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a standard gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125895971107,"sku":"PVM00089","price":226.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120837_2540.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-10w-30-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 10W-30 Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120867\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 four-stroke oil\u003c\/strong\u003e, this kit includes the core service items plus the cooling, ignition, and sealing components commonly addressed at the 300 hour interval. It is a simple way to refresh critical systems and keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 0R042475 \u0026amp; Above\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Mercury 8\/9.9 HP – Command Thrust\/Bigfoot Gearcases Only\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e 10W-30 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This 300 Hour Service Kit Matters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone service coverage:\u003c\/strong\u003e Combines fluids, filter, seals, and wear items in one kit so nothing gets missed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps support proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable running:\u003c\/strong\u003e New spark plugs and fuel filtration support clean combustion and dependable starting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit standard gearcase models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases only\u003c\/strong\u003e. Standard gearcase models use a different kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMost gearcases use sealing washers at both the drain and vent screws. Replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine is an 8 HP or 9.9 HP carbureted (209cc) model, falls within the listed serial range, and uses a Command Thrust\/Bigfoot gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896003875,"sku":"PVM00090","price":234.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867-1030.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e.\u003c\/span\u003e Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120867\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e10W-30 synthetic blend four-stroke oil\u003c\/strong\u003e, this bundle covers the most common milestone service items—engine oil and sealing, gearcase service parts, fuel filtration, cooling components, ignition parts, and corrosion protection—so you can keep your small outboard starting easily and running reliably.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 0R042475 \u0026amp; Above\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e 10W-30 Synthetic Blend Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This Kit Makes Service Easier\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone coverage:\u003c\/strong\u003e Combines fluids, seals, filters, cooling parts, and ignition items in one kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps maintain proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Fresh fuel filtration helps keep debris and contamination away from critical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eService Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for Mercury 8\/9.9 HP models with Command Thrust\/Bigfoot gearcases only.\u003c\/li\u003e\n\u003cli\u003eReplace drain seals during every service to help maintain a proper seal.\u003c\/li\u003e\n\u003cli\u003eDispose of used oil and gear lube according to local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit standard gearcase models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases only\u003c\/strong\u003e. Standard gearcase models use a different kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing them together helps support a proper seal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm this kit matches my outboard?\u003c\/strong\u003e\u003cbr\u003eVerify your engine serial number is \u003cstrong\u003e0R042475 and above\u003c\/strong\u003e and that your outboard is equipped with a Command Thrust\/Bigfoot gearcase.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896036643,"sku":"PVM00091","price":237.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867_1030.jpg?v=1701377083"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-25w-40-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 25W-40 Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eoil analysis kits\u003c\/a\u003e\u003c\/span\u003e. Results are typically received in a few days via email. \u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\" style=\"color: rgb(43, 0, 255);\"\u003eShop now\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 8M0120867\u003c\/h2\u003e\n\u003cp\u003eStay on schedule with a complete 300 hour service kit for Mercury 8 HP and 9.9 HP carbureted (209cc) four-stroke outboards equipped with \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases\u003c\/strong\u003e. Built around \u003cstrong\u003e25W-40 four-stroke engine oil\u003c\/strong\u003e, this bundle covers the most common milestone service items—engine lubrication, gearcase service parts, fuel filtration, cooling components, ignition parts, and corrosion protection—so you can keep your small outboard performing reliably season after season.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSerial number range:\u003c\/strong\u003e 0R042475 \u0026amp; Above\u003c\/p\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e 25W-40 Four-Stroke Engine Oil (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gear Lube (Quart)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eWhy This Kit Makes Service Easier\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilestone coverage:\u003c\/strong\u003e Combines fluids, seals, filters, cooling parts, and ignition components in one kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooling system refresh:\u003c\/strong\u003e Thermostat and impeller service helps maintain proper water flow and stable operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel-side protection:\u003c\/strong\u003e Replacing the fuel filter helps reduce debris and contamination reaching critical components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion defense:\u003c\/strong\u003e Includes an anode to help reduce galvanic corrosion in marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eService Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for Mercury 8\/9.9 HP models with Command Thrust\/Bigfoot gearcases.\u003c\/li\u003e\n\u003cli\u003eReplace drain seals during every service to help maintain a proper seal.\u003c\/li\u003e\n\u003cli\u003eDispose of used oil and gear lube according to local regulations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr style=\"margin: 24px 0;\"\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this kit fit standard gearcase models?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is intended for \u003cstrong\u003eCommand Thrust\/Bigfoot gearcases only\u003c\/strong\u003e. Standard gearcase models require a different service kit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are 2 gearcase drain seals included?\u003c\/strong\u003e\u003cbr\u003eMany gearcases use sealing washers at both the drain and vent screws, so replacing both helps ensure a proper seal after service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\u003cbr\u003eVerify your engine serial number is \u003cstrong\u003e0R042475 or higher\u003c\/strong\u003e and confirm your outboard is equipped with a Command Thrust\/Bigfoot gearcase before ordering.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896069411,"sku":"PVM00092","price":234.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867-2540.jpg?v=1701377082"},{"product_id":"mercury-8-9-9-hp-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-command-thrust-bigfoot-only-8m0120867-s-n-0r042475-above","title":"Mercury 8\/9.9 HP Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend Command Thrust\/Bigfoot Only 8M0120867 - S\/N 0R042475 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 8\/9.9 HP Command Thrust \/ Bigfoot | 8M0120867\u003c\/h2\u003e\n\n\u003cp\u003eKeep your Mercury 8HP or 9.9HP Command Thrust (Bigfoot) outboard running strong with this complete \u003cstrong\u003e300 Hour Service Kit – 8M0120867\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e0R042475 and above\u003c\/strong\u003e, this kit includes the core maintenance components required at the 300-hour service interval to support performance, reliability, and long engine life.\u003c\/p\u003e\n\n\u003cp\u003eAt 300 hours, your outboard benefits from fresh lubrication, cooling system inspection, ignition refresh, and updated sealing components. This kit bundles everything together so you can complete the service efficiently without tracking down individual parts.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart of 25W-40 Synthetic Blend Engine Oil\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart of Mercury Gear Lube\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhy the 300 Hour Service Matters\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLubrication refresh:\u003c\/strong\u003e Replacing engine oil and gear lube helps maintain proper internal protection.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCooling system maintenance:\u003c\/strong\u003e A new thermostat and impeller kit support consistent operating temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIgnition reliability:\u003c\/strong\u003e Fresh spark plugs help ensure clean starts and efficient combustion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Replacing the anode helps defend internal components from galvanic corrosion.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLeak prevention:\u003c\/strong\u003e New drain seals support proper sealing after service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMercury 8 HP Command Thrust (Bigfoot)\u003c\/li\u003e\n  \u003cli\u003eMercury 9.9 HP Command Thrust (Bigfoot)\u003c\/li\u003e\n  \u003cli\u003eSerial Numbers \u003cstrong\u003e0R042475 \u0026amp; Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis kit is engineered specifically for Bigfoot \/ Command Thrust gearcases. Always verify your serial number before ordering to ensure correct fitment.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896102179,"sku":"PVM00093","price":237.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120867_2540.jpg?v=1701377083"},{"product_id":"mercury-15-20-hp-complete-300-hour-service-maintenance-kit-10w-30-8m0120838-s-n-0r235949-0r833819","title":"Mercury 15\/20 HP Complete 300 Hour Service Maintenance Kit 10W-30 - 8M0120838 - S\/N 0R235949 - 0R833819","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 15\/20 HP | 8M0120838\u003c\/h2\u003e\n\n\u003cp\u003eKeep your Mercury 15 HP and 20 HP four-stroke outboard operating at peak performance with the \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120838\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e0R235949 through 0R833819\u003c\/strong\u003e, this complete maintenance kit includes the key components required for the 300-hour service interval.\u003c\/p\u003e\n\n\u003cp\u003eRoutine maintenance at 300 hours helps refresh lubrication systems, maintain cooling performance, and replace wear items that experience heavy use over time. This kit packages the necessary oils, filtration components, ignition parts, cooling system components, and seals so you can complete the service efficiently and with confidence.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 10W-30 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhy Perform the 300 Hour Service?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect engine components:\u003c\/strong\u003e Fresh engine oil helps maintain proper lubrication and reduce wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain cooling efficiency:\u003c\/strong\u003e A new thermostat and impeller help ensure proper operating temperature.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable ignition performance:\u003c\/strong\u003e New spark plugs help promote clean starts and efficient combustion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLower unit protection:\u003c\/strong\u003e Fresh gear lube and new seals help maintain proper gearcase lubrication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion protection:\u003c\/strong\u003e Replacing the anode helps defend internal components from electrolysis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 15 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R235949 – 0R833819\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your engine serial number before ordering to ensure compatibility with your Mercury outboard.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896167715,"sku":"PVM00094","price":339.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120838-1030.jpg?v=1701377083"},{"product_id":"mercury-15-20-hp-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-8m0120838-s-n-0r235949-0r833819","title":"Mercury 15\/20 HP Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - 8M0120838 - S\/N 0R235949 - 0R833819","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 15\/20 HP | 8M0120838\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120838\u003c\/strong\u003e provides the essential maintenance components required to properly service Mercury \u003cstrong\u003e15 HP and 20 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R235949 through 0R833819\u003c\/strong\u003e. This complete kit simplifies scheduled maintenance by bundling the required oils, filters, cooling system components, ignition parts, and seals needed for the 300-hour service interval.\u003c\/p\u003e\n\n\u003cp\u003eRegular maintenance ensures reliable engine performance, improved fuel efficiency, and long-term durability. By replacing worn service components such as spark plugs, filters, thermostat, and the water pump impeller, this kit helps keep your Mercury outboard running smoothly and operating at the proper temperature while protecting critical internal engine and gearcase components.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 10W-30 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhy Perform the 300 Hour Service?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain lubrication performance\u003c\/strong\u003e with fresh synthetic blend engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the lower unit\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper cooling\u003c\/strong\u003e with a new thermostat and water pump impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove engine efficiency\u003c\/strong\u003e with fresh spark plugs and clean filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevent corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 15 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R235949 – 0R833819\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure proper fitment.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896200483,"sku":"PVM00095","price":345.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120838_1030.jpg?v=1701377083"},{"product_id":"mercury-20-30-hp-complete-300-hour-service-maintenance-kit-10w-30-8m0120839-s-n-0r106999-above","title":"Mercury 20\/30 HP Complete 300 Hour Service Maintenance Kit 10W-30 - 8M0120839 - S\/N 0R106999 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 20\/30 HP | 8M0120839\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120839\u003c\/strong\u003e provides the essential maintenance components needed to service Mercury \u003cstrong\u003e20 HP and 30 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R106999 and above\u003c\/strong\u003e. This comprehensive maintenance kit bundles the key oils, filters, cooling system components, ignition parts, and seals required for the 300-hour service interval.\u003c\/p\u003e\n\n\u003cp\u003eRoutine maintenance at recommended service intervals helps maintain reliable engine performance, protect internal components, and extend the life of your outboard. This kit simplifies the process by including the common wear components that should be replaced during the 300-hour service, ensuring your Mercury outboard continues operating efficiently and reliably.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 10W-30 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of Performing the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper engine lubrication\u003c\/strong\u003e with fresh engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure cooling system efficiency\u003c\/strong\u003e with a new thermostat and impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition reliability\u003c\/strong\u003e with fresh spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevent corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 30 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R106999 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure proper compatibility.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896266019,"sku":"PVM00098","price":333.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120839-1030.jpg?v=1701377083"},{"product_id":"mercury-15-20-hp-complete-300-hour-service-maintenance-kit-25w-40-8m0120838-s-n-0r235949-0r833819","title":"Mercury 15\/20 HP Complete 300 Hour Service Maintenance Kit 25W-40 - 8M0120838 - S\/N 0R235949 - 0R833819","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 15\/20 HP | 8M0120838\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120838\u003c\/strong\u003e provides the key maintenance components needed to properly service Mercury \u003cstrong\u003e15 HP and 20 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R235949 through 0R833819\u003c\/strong\u003e. Designed to simplify scheduled maintenance, this kit includes the oils, filters, cooling system components, ignition parts, and seals required for the 300-hour service interval.\u003c\/p\u003e\n\n\u003cp\u003ePerforming routine maintenance at recommended service intervals helps protect internal engine components, maintain proper cooling system function, and ensure reliable performance on the water. This kit packages everything needed to refresh the lubrication system, replace common wear items, and maintain efficient engine operation.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhy Perform the 300 Hour Service?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh engine oil to reduce internal wear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper cooling\u003c\/strong\u003e with a new thermostat and water pump impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition performance\u003c\/strong\u003e with fresh spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 15 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R235949 – 0R833819\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure proper compatibility.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896298787,"sku":"PVM00096","price":339.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120838-2540.jpg?v=1701377083"},{"product_id":"mercury-15-20-hp-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-8m0120838-s-n-0r235949-0r833819","title":"Mercury 15\/20 HP Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - 8M0120838 - S\/N 0R235949 - 0R833819","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 15\/20 HP | 8M0120838\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120838\u003c\/strong\u003e provides the essential components required to perform the recommended 300-hour maintenance service on Mercury \u003cstrong\u003e15 HP and 20 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R235949 through 0R833819\u003c\/strong\u003e. This kit combines the critical oils, filters, cooling system components, ignition parts, and seals needed to keep your engine running reliably.\u003c\/p\u003e\n\n\u003cp\u003eRegularly performing scheduled maintenance helps protect your outboard’s internal components, maintain proper cooling performance, and ensure dependable operation on the water. This kit simplifies the service process by packaging the necessary maintenance parts together so you can efficiently complete the 300-hour interval service.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 25W-40 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain engine lubrication\u003c\/strong\u003e with fresh 25W-40 synthetic blend oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain cooling system efficiency\u003c\/strong\u003e with a new thermostat and impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition performance\u003c\/strong\u003e with fresh spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevent corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 15 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R235949 – 0R833819\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your engine serial number before ordering to ensure compatibility with your Mercury outboard.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896331555,"sku":"PVM00097","price":345.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120838_2540.jpg?v=1701377083"},{"product_id":"mercury-20-30-hp-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-8m0120839-s-n-0r106999-above","title":"Mercury 20\/30 HP Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - 8M0120839 - S\/N 0R106999 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 20\/30 HP | 8M0120839\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120839\u003c\/strong\u003e provides the essential maintenance components required to properly service Mercury \u003cstrong\u003e20 HP and 30 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R106999 and above\u003c\/strong\u003e. This comprehensive maintenance kit includes the critical oils, filters, cooling system components, ignition parts, and seals needed to complete the recommended 300-hour service interval.\u003c\/p\u003e\n\n\u003cp\u003ePerforming routine maintenance helps maintain dependable performance, protect internal engine components, and ensure proper cooling and lubrication. This kit simplifies the service process by bundling the most commonly replaced components so you can efficiently complete scheduled maintenance and keep your Mercury outboard operating at peak performance.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 10W-30 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhy Perform the 300 Hour Service?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain engine lubrication\u003c\/strong\u003e with fresh 10W-30 synthetic blend oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper cooling\u003c\/strong\u003e with a new thermostat and water pump impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition performance\u003c\/strong\u003e with fresh spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 30 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R106999 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your engine serial number before ordering to ensure compatibility with your Mercury outboard.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896364323,"sku":"PVM00099","price":339.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120839_1030.jpg?v=1701377083"},{"product_id":"mercury-20-30-hp-complete-300-hour-service-maintenance-kit-25w-40-8m0120839-s-n-0r106999-above","title":"Mercury 20\/30 HP Complete 300 Hour Service Maintenance Kit 25W-40 - 8M0120839 - S\/N 0R106999 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 20\/30 HP | 8M0120839\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120839\u003c\/strong\u003e provides the key maintenance components required to service Mercury \u003cstrong\u003e20 HP and 30 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R106999 and above\u003c\/strong\u003e. This complete kit packages the essential oils, filters, cooling system components, ignition parts, and seals required for the recommended 300-hour service interval.\u003c\/p\u003e\n\n\u003cp\u003eRoutine maintenance is critical for maintaining engine reliability, cooling performance, and proper lubrication. By replacing common wear items such as spark plugs, filters, thermostat components, and the water pump impeller, this service kit helps keep your Mercury outboard operating efficiently and reliably season after season.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure cooling system efficiency\u003c\/strong\u003e with a new thermostat and impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition performance\u003c\/strong\u003e with fresh spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 30 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R106999 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure proper compatibility.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896397091,"sku":"PVM00100","price":333.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120839-2540.jpg?v=1701377084"},{"product_id":"mercury-20-30-hp-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-8m0120839-s-n-0r106999-above","title":"Mercury 20\/30 HP Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - 8M0120839 - S\/N 0R106999 \u0026 Above","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 20\/30 HP | 8M0120839\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 300 Hour Service Kit – 8M0120839\u003c\/strong\u003e provides the essential maintenance components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003e20 HP and 30 HP four-stroke outboards\u003c\/strong\u003e with serial numbers \u003cstrong\u003e0R106999 and above\u003c\/strong\u003e. This complete kit combines the critical oils, filters, cooling system components, ignition parts, and seals required to keep your engine operating reliably.\u003c\/p\u003e\n\n\u003cp\u003eRoutine service intervals help maintain proper lubrication, cooling efficiency, and overall engine performance. By replacing common wear items such as spark plugs, filters, thermostat components, and the water pump impeller, this kit helps extend engine life and maintain dependable performance on the water.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts 25W-40 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Gasket\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Impeller Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain engine lubrication\u003c\/strong\u003e with fresh 25W-40 synthetic blend oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the lower unit\u003c\/strong\u003e with new gear lube and drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper cooling performance\u003c\/strong\u003e with a new thermostat and water pump impeller.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition efficiency\u003c\/strong\u003e with fresh spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e by replacing the sacrificial anode.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 20 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eMercury 30 HP Four-Stroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e0R106999 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure proper compatibility.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896429859,"sku":"PVM00101","price":339.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0120839_2540.jpg?v=1701377084"},{"product_id":"mercury-verado-200-225-250-275-300-350-l6-complete-300-hour-service-maintenance-kit-10w-30-8m0097859-s-n-2b144122-below","title":"Mercury Verado 200 225 250 275 300 350 L6 Complete 300 Hour Service Maintenance Kit 10W-30 - 8M0097859 - S\/N 2B144122 \u0026 Below","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado L6 | 8M0097859\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado L6 300 Hour Service Maintenance Kit – 8M0097859\u003c\/strong\u003e provides the complete set of components needed to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado inline-six outboards from 200 HP through 350 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144122 and below\u003c\/strong\u003e, this kit includes essential oils, filters, ignition components, cooling system parts, and wear items required for major scheduled maintenance.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, filters, thermostat, and drive belt helps maintain cooling efficiency, fuel delivery, and ignition performance while protecting internal engine components. This kit consolidates the necessary parts into one convenient package, simplifying routine maintenance and helping keep your Verado operating reliably.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 10W-30 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain optimal engine lubrication\u003c\/strong\u003e with fresh 10W-30 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect cooling system performance\u003c\/strong\u003e by replacing the water pump components and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with new spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper fuel filtration\u003c\/strong\u003e with new in-line and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect internal components\u003c\/strong\u003e with fresh gear lube, new seals, and corrosion-resistant anodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive reliability\u003c\/strong\u003e with a new engine belt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado 200 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 225 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 250 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 275 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 300 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 350 HP L6\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144122 and Below\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896626467,"sku":"PVM00106","price":765.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097859-1030.jpg?v=1701377084"},{"product_id":"mercury-verado-200-225-250-275-300-350-l6-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-8m0097859-s-n-2b144122-below","title":"Mercury Verado 200 225 250 275 300 350 L6 Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - 8M0097859 - S\/N 2B144122 \u0026 Below","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado L6 | 8M0097859\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado L6 300 Hour Service Maintenance Kit – 8M0097859\u003c\/strong\u003e includes the essential components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado inline-six outboards ranging from 200 HP through 350 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144122 and below\u003c\/strong\u003e, this comprehensive maintenance kit bundles the key oils, filters, ignition components, cooling system parts, and wear items needed to keep your Verado operating at peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, filters, thermostat, and drive belt helps maintain proper cooling, fuel delivery, and ignition performance while protecting internal engine components. This kit simplifies scheduled service by consolidating the necessary parts into one convenient package.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 10W-30 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain optimal lubrication\u003c\/strong\u003e with fresh 10W-30 synthetic blend engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect cooling system performance\u003c\/strong\u003e by replacing the water pump components and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with new spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure clean fuel delivery\u003c\/strong\u003e with new in-line and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect internal components\u003c\/strong\u003e with fresh gear lube, new seals, and corrosion-resistant anodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive reliability\u003c\/strong\u003e with a new engine belt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado 200 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 225 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 250 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 275 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 300 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 350 HP L6\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144122 and Below\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896659235,"sku":"PVM00107","price":789.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097859_1030.jpg?v=1701377084"},{"product_id":"mercury-verado-200-225-250-275-300-350-l6-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-8m0097859-s-n-2b144122-below","title":"Mercury Verado 200 225 250 275 300 350 L6 Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - 8M0097859 - S\/N 2B144122 \u0026 Below","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado L6 | 8M0097859\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado L6 300 Hour Service Maintenance Kit – 8M0097859\u003c\/strong\u003e includes the critical components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado inline-six outboards from 200 HP through 350 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144122 and below\u003c\/strong\u003e, this comprehensive maintenance kit bundles the essential oils, filters, ignition components, cooling system parts, and wear items needed to maintain peak performance and long-term reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour maintenance interval is one of the most important service milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, filters, and drive belt helps maintain cooling efficiency, fuel delivery, and ignition performance while protecting internal engine components. This kit consolidates the required maintenance parts into one convenient package, simplifying routine service.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 25W-40 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain optimal lubrication\u003c\/strong\u003e with fresh 25W-40 synthetic blend engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect cooling system performance\u003c\/strong\u003e by replacing the water pump components and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with six new spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper fuel filtration\u003c\/strong\u003e with new in-line and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect gearcase components\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive reliability\u003c\/strong\u003e with a new engine belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with a replacement anode kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado 200 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 225 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 250 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 275 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 300 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 350 HP L6\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144122 and Below\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896692003,"sku":"PVM00109","price":789.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097859_2540.jpg?v=1701377084"},{"product_id":"mercury-verado-200-225-250-275-300-350-l6-complete-300-hour-service-maintenance-kit-25w-40-8m0097859-s-n-2b144122-below","title":"Mercury Verado 200 225 250 275 300 350 L6 Complete 300 Hour Service Maintenance Kit 25W-40 - 8M0097859 - S\/N 2B144122 \u0026 Below","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado L6 | 8M0097859\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado L6 300 Hour Service Maintenance Kit – 8M0097859\u003c\/strong\u003e provides the complete set of components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado inline-six outboards from 200 HP through 350 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144122 and below\u003c\/strong\u003e, this kit bundles the critical oils, filters, ignition components, cooling system parts, and wear items needed to maintain peak performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, filters, and drive belt helps maintain cooling efficiency, fuel delivery, and ignition performance while protecting internal engine components. This kit consolidates the necessary parts into one convenient package to simplify scheduled maintenance.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e In-Line Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper engine lubrication\u003c\/strong\u003e with fresh 25W-40 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect cooling system performance\u003c\/strong\u003e with a new water pump repair kit and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition efficiency\u003c\/strong\u003e with six new spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure clean fuel delivery\u003c\/strong\u003e with new in-line and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect gearcase components\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive performance\u003c\/strong\u003e with a new engine belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with a replacement anode kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado 200 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 225 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 250 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 275 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 300 HP L6\u003c\/li\u003e\n\u003cli\u003eMercury Verado 350 HP L6\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144122 and Below\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896724771,"sku":"PVM00108","price":765.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0097859-2540.jpg?v=1701377084"},{"product_id":"mercury-verado-200-225-250-275-300-hp-l6-complete-300-hour-service-maintenance-kit-10w-30-s-n-2b144123-up-8m0133617","title":"Mercury Verado 200 225 250 275 300 HP L6 Complete 300 Hour Service Maintenance Kit 10W-30 - S\/N 2B144123 \u0026 Up - 8M0133617","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado V6 | 8M0133617\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado V6 300 Hour Service Maintenance Kit – 8M0133617\u003c\/strong\u003e provides the complete set of components needed to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado V6 outboards ranging from 200 HP through 300 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144123 and above\u003c\/strong\u003e, this kit includes the essential oils, filters, ignition components, cooling system parts, and wear items required for major scheduled maintenance.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, filters, and drive belt helps maintain cooling performance, fuel delivery, and ignition efficiency while protecting internal engine components. This kit bundles the required maintenance parts into one convenient package to simplify routine service.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 10W-30 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High-Pressure Fuel Filter Screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh 10W-30 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore cooling system efficiency\u003c\/strong\u003e with a new water pump repair kit and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImprove ignition performance\u003c\/strong\u003e with six replacement spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure clean fuel delivery\u003c\/strong\u003e with new high-pressure and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect gearcase components\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive performance\u003c\/strong\u003e with a replacement belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with a replacement anode kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado V6 200 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 225 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 250 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 300 HP\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144123 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896888611,"sku":"PVM00114","price":724.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0133617-1030.jpg?v=1701377085"},{"product_id":"mercury-verado-200-225-250-275-300-hp-l6-complete-300-hour-service-maintenance-kit-10w-30-synthetic-blend-s-n-2b144123-up-8m0133617","title":"Mercury Verado 200 225 250 275 300 HP L6 Complete 300 Hour Service Maintenance Kit 10W-30 Synthetic Blend - S\/N 2B144123 \u0026 Up - 8M0133617","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado V6 | 8M0133617\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado V6 300 Hour Service Maintenance Kit – 8M0133617\u003c\/strong\u003e includes the complete set of maintenance components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado V6 outboards ranging from 200 HP through 300 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144123 and above\u003c\/strong\u003e, this kit provides the oils, filters, ignition components, cooling system parts, and wear items needed to keep your Verado engine performing reliably.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour maintenance interval is one of the most important service milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, fuel filters, and drive belt helps maintain cooling efficiency, proper fuel delivery, and ignition performance while protecting internal engine components. This kit consolidates the required parts into one convenient package, simplifying scheduled maintenance.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 10W-30 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High-Pressure Fuel Filter Screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh 10W-30 synthetic blend engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the cooling system\u003c\/strong\u003e with a new water pump repair kit and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition efficiency\u003c\/strong\u003e with six new spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure clean fuel delivery\u003c\/strong\u003e with new high-pressure and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect gearcase components\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive performance\u003c\/strong\u003e with a replacement engine belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with a replacement anode kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado V6 200 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 225 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 250 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 300 HP\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144123 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896921379,"sku":"PVM00115","price":748.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0133617_1030.jpg?v=1701377085"},{"product_id":"mercury-verado-200-225-250-275-300-hp-l6-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-2b144123-up-8m0133617","title":"Mercury Verado 200 225 250 275 300 HP L6 Complete 300 Hour Service Maintenance Kit 25W-40 Synthetic Blend - 2B144123 \u0026 Up - 8M0133617","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado V6 | 8M0133617\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado V6 300 Hour Service Maintenance Kit – 8M0133617\u003c\/strong\u003e includes the essential components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado V6 outboards ranging from 200 HP through 300 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144123 and above\u003c\/strong\u003e, this kit provides the oils, filters, ignition components, cooling system parts, and wear items needed to keep your engine running at peak performance.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, fuel filters, and drive belt helps maintain cooling efficiency, fuel delivery, and ignition performance while protecting internal engine components. This kit consolidates the required maintenance parts into one convenient package to simplify routine service.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 25W-40 Synthetic Blend Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High-Pressure Fuel Filter Screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain optimal lubrication\u003c\/strong\u003e with fresh 25W-40 synthetic blend engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the cooling system\u003c\/strong\u003e with a new water pump repair kit and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with six replacement spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper fuel filtration\u003c\/strong\u003e with new high-pressure and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect gearcase components\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive performance\u003c\/strong\u003e with a replacement engine belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with a replacement anode kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado V6 200 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 225 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 250 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 300 HP\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144123 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896954147,"sku":"PVM00117","price":748.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0133617_2540.jpg?v=1701377086"},{"product_id":"mercury-verado-200-225-250-275-300-hp-l6-complete-300-hour-service-maintenance-kit-25w-40-s-n-2b144123-up-8m0133617","title":"Mercury Verado 200 225 250 275 300 HP L6 Complete 300 Hour Service Maintenance Kit 25W-40 - S\/N 2B144123 \u0026 Up - 8M0133617","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | Verado V6 | 8M0133617\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury Verado V6 300 Hour Service Maintenance Kit – 8M0133617\u003c\/strong\u003e includes the complete set of maintenance components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003eVerado V6 outboards ranging from 200 HP through 300 HP\u003c\/strong\u003e. Designed for engines with serial numbers \u003cstrong\u003e2B144123 and above\u003c\/strong\u003e, this kit provides the oils, filters, ignition components, cooling system parts, and wear items necessary to maintain performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important maintenance milestones for Verado engines. Replacing the water pump components, spark plugs, thermostat, fuel filters, and drive belt helps maintain cooling performance, proper fuel delivery, and ignition efficiency while protecting internal engine components. This kit bundles the required maintenance parts into one convenient package to simplify routine service.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gallons 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Quarts Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High-Pressure Fuel Filter Screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Separator Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Water Pump Repair Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Drain Seal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Anode Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh 25W-40 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect cooling system performance\u003c\/strong\u003e with a new water pump repair kit and thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with six replacement spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure clean fuel delivery\u003c\/strong\u003e with new high-pressure and water separating fuel filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect gearcase components\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive performance\u003c\/strong\u003e with a replacement engine belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with a replacement anode kit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury Verado V6 200 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 225 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 250 HP\u003c\/li\u003e\n\u003cli\u003eMercury Verado V6 300 HP\u003c\/li\u003e\n\u003cli\u003eSerial Numbers \u003cstrong\u003e2B144123 and Above\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways confirm your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125896986915,"sku":"PVM00116","price":724.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0133617-2540.jpg?v=1701377085"},{"product_id":"mercury-150-efi-4-stroke-complete-300-hour-service-maintenance-kit-10w-30-8m0094233","title":"Mercury 150 EFI 4 Stroke Complete 300 Hour Service Maintenance Kit 10W-30 - 8M0094233","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eMercury | 300 Hour Service Kit | 150 EFI 4-Stroke | 8M0094233\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 150 EFI 4-Stroke 300 Hour Service Maintenance Kit – 8M0094233\u003c\/strong\u003e provides the essential components required to complete the recommended 300-hour maintenance interval on Mercury \u003cstrong\u003e150 HP EFI four-stroke outboard engines\u003c\/strong\u003e. This comprehensive kit includes engine oil, filters, ignition components, cooling system parts, and wear items needed to keep your outboard operating efficiently and reliably.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service is one of the most important scheduled maintenance intervals for Mercury outboards. Replacing spark plugs, fuel filtration components, the thermostat, and accessory belt helps maintain proper engine performance, cooling efficiency, and fuel delivery. This kit consolidates the required service parts into one convenient package to simplify routine maintenance.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gallon 10W-30 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Quarts 10W-30 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x\u003c\/strong\u003e Anodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh 10W-30 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect internal engine components\u003c\/strong\u003e with a new oil filter and fuel filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with replacement spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper cooling system operation\u003c\/strong\u003e with a new thermostat kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive reliability\u003c\/strong\u003e with a replacement belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with replacement anodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 150 HP EFI 4-Stroke Outboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard model and serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125897183523,"sku":"PVM00123","price":512.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0094233_10w-30.jpg?v=1701377086"},{"product_id":"mercury-150-efi-4-stroke-complete-300-hour-service-maintenance-kit-25w-40-8m0094233","title":"Mercury 150 EFI 4 Stroke Complete 300 Hour Service Maintenance Kit 25W-40 - 8M0094233","description":"\u003cp\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/p\u003e \u003ch2\u003eMercury | 300 Hour Service Kit | 150 EFI 4-Stroke | 8M0094233\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 150 EFI 4-Stroke 300 Hour Service Maintenance Kit – 8M0094233\u003c\/strong\u003e provides the essential components required to complete the recommended 300-hour maintenance interval on Mercury \u003cstrong\u003e150 HP EFI four-stroke outboard engines\u003c\/strong\u003e. This comprehensive kit includes the oils, filtration components, ignition parts, cooling system components, and wear items needed to maintain engine performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service is one of the most important maintenance milestones for Mercury outboards. Replacing the spark plugs, thermostat components, fuel filtration parts, and accessory belt helps maintain cooling efficiency, proper fuel delivery, and ignition performance while protecting critical engine components. This kit consolidates the necessary maintenance parts into one convenient package to simplify scheduled service.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gallon 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Quarts 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x\u003c\/strong\u003e Anodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper engine lubrication\u003c\/strong\u003e with fresh 25W-40 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with replacement spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure clean fuel delivery\u003c\/strong\u003e with a new high pressure fuel filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain cooling system efficiency\u003c\/strong\u003e with a new thermostat kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect internal engine components\u003c\/strong\u003e with a replacement oil filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive reliability\u003c\/strong\u003e with a new engine belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with replacement anodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with fresh gear lube and new drain seals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 150 HP EFI 4-Stroke Outboards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard model and serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125897249059,"sku":"PVM00125","price":512.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0094233_25w-40.jpg?v=1701377087"},{"product_id":"mercury-150-efi-4-stroke-complete-300-hour-service-maintenance-kit-25w-40-synthetic-blend-8m0094233-s-n-2b178185-up","title":"Mercury – 300 Hour Maintenance Kit | 150hp FourStroke Service Series | OEM Replacement Components | 8M0094233","description":"\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWant to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eoil analysis kits\u003c\/a\u003e. Results are typically received in a few days via email. \u003ca href=\"https:\/\/partsvu.com\/collections\/blackstone-laboratories\"\u003eShop now\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eMercury | 300 Hour Service Kit | 150 EFI 4-Stroke | 8M0094233\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eMercury 150 EFI 4-Stroke 300 Hour Service Maintenance Kit – 8M0094233\u003c\/strong\u003e provides the essential components required to perform the recommended 300-hour service on Mercury \u003cstrong\u003e150 HP FourStroke outboard engines\u003c\/strong\u003e. This complete maintenance kit includes engine oil, filters, ignition components, cooling system parts, and wear items needed to keep your outboard operating reliably and efficiently.\u003c\/p\u003e\n\n\u003cp\u003eThe 300-hour service interval is one of the most important scheduled maintenance milestones for Mercury outboards. Replacing the spark plugs, thermostat components, fuel filtration parts, and accessory belt helps maintain cooling efficiency, proper fuel delivery, and consistent ignition performance while protecting internal engine components.\u003c\/p\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eWhat’s Included in This Kit\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Gallon 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3 x\u003c\/strong\u003e Quarts 25W-40 Engine Oil\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Quart Gear Lube\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Oil Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e High Pressure Fuel Filter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2 x\u003c\/strong\u003e Gearcase Drain Seals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x\u003c\/strong\u003e Spark Plugs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Thermostat Kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1 x\u003c\/strong\u003e Belt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4 x\u003c\/strong\u003e Anodes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eBenefits of the 300 Hour Service\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain proper lubrication\u003c\/strong\u003e with fresh 25W-40 engine oil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRestore ignition performance\u003c\/strong\u003e with four replacement spark plugs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnsure proper fuel filtration\u003c\/strong\u003e with a new high pressure fuel filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain cooling system performance\u003c\/strong\u003e with a replacement thermostat kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect internal components\u003c\/strong\u003e with a new oil filter and fresh gear lube.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintain accessory drive reliability\u003c\/strong\u003e with a replacement belt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduce corrosion\u003c\/strong\u003e with new anodes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect the gearcase\u003c\/strong\u003e with new drain seals during service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin:24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMercury 150 HP EFI FourStroke Outboards\u003c\/li\u003e\n\u003cli\u003eSerial Number 1B905505 and Higher\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlways verify your Mercury outboard serial number before ordering to ensure compatibility with your engine.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":47125897281827,"sku":"PVM00126","price":533.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0094233_25w-40s.jpg?v=1701377087"}],"url":"https:\/\/partsvu.com\/en-mx\/collections\/mercury-outboard-300-hour-service-kits.oembed","provider":"PartsVu","version":"1.0","type":"link"}