{"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","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-20-30-hp-complete-300-hour-service-maintenance-kit-25w-40-8m0120839-s-n-0r106999-above","provider":"PartsVu","version":"1.0","type":"link"}