{"product_id":"mercury-marine-300-hour-service-kit-v8-4-6l-verado-seapro-25w-40-synthetic-blend-8m0149932","title":"Mercury Marine | 300 Hour Service Kit | V8 4.6L Verado \u0026 SeaPro | 25W-40 Synthetic Blend | 8M0149932","description":"\u003ch2\u003eMercury Marine | 300 Hour Service Kit | V8 4.6L Verado \u0026amp; SeaPro | 25W-40 Synthetic Blend | 8M0149932\u003c\/h2\u003e\n\n\u003cp\u003eThe Mercury V8 4.6L Verado \u0026amp; SeaPro 300 Hour Service Kit – 8M0149932 provides the essential maintenance components required to perform the recommended 300-hour service on Mercury 4.6L V8 outboards. Built for demanding offshore, recreational, and commercial applications, this kit helps simplify routine maintenance while supporting long-term engine performance and reliability.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing Mercury 25W-40 Synthetic Blend marine engine oil and SAE 90 High Performance Gear Lube, this service kit includes the critical components commonly replaced during the 300-hour maintenance interval. Routine service helps maintain proper lubrication, cooling efficiency, fuel system performance, and corrosion protection to keep your Mercury V8 operating at its best 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\n\u003cul\u003e\n  \u003cli\u003e1 x Mercury 300 Hour Maintenance Kit\u003c\/li\u003e\n  \u003cli\u003e1 x Gallon Mercury 25W-40 Synthetic Blend Marine Engine Oil\u003c\/li\u003e\n  \u003cli\u003e3 x Quarts Mercury 25W-40 Synthetic Blend Marine Engine Oil\u003c\/li\u003e\n  \u003cli\u003e1 x Quart Mercury SAE 90 High Performance Gear Lube\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eTypical Service Components Included\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eOil Filter\u003c\/li\u003e\n  \u003cli\u003eFuel Filters\u003c\/li\u003e\n  \u003cli\u003eSpark Plugs\u003c\/li\u003e\n  \u003cli\u003eThermostat\u003c\/li\u003e\n  \u003cli\u003eAlternator Belt\u003c\/li\u003e\n  \u003cli\u003eWater Pump Repair Components\u003c\/li\u003e\n  \u003cli\u003eGearcase Drain Seals\u003c\/li\u003e\n  \u003cli\u003eCorrosion Protection 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\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintains Proper Engine Lubrication:\u003c\/strong\u003e Mercury 25W-40 Synthetic Blend oil helps reduce friction and wear under demanding marine operating conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects Gearcase Components:\u003c\/strong\u003e Fresh SAE 90 High Performance Gear Lube helps shield gears and bearings from excessive wear and heat.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupports Clean Fuel Delivery:\u003c\/strong\u003e Replacement fuel filters help maintain consistent fuel flow and throttle response.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaintains Cooling System Efficiency:\u003c\/strong\u003e Water pump and thermostat service components help regulate proper engine temperature.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproves Ignition Performance:\u003c\/strong\u003e New spark plugs help support reliable starting and smooth engine operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelps Reduce Corrosion:\u003c\/strong\u003e Replacement anodes and seals help protect critical components in harsh marine environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr style=\"margin: 24px 0;\"\u003e\n\n\u003ch3\u003eEngine Compatibility\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMercury V8 4.6L Verado Outboards\u003c\/li\u003e\n  \u003cli\u003eMercury V8 4.6L SeaPro Outboards\u003c\/li\u003e\n  \u003cli\u003eMercury 250HP–300HP V8 Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAlways verify your Mercury outboard model and serial number before ordering to ensure compatibility with your engine.\u003c\/strong\u003e\u003c\/p\u003e","brand":"PartsVu","offers":[{"title":"Default Title","offer_id":55071582028067,"sku":"PVM00194","price":687.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/image-coming-soon.webp?v=1769434592","url":"https:\/\/partsvu.com\/es\/products\/mercury-marine-300-hour-service-kit-v8-4-6l-verado-seapro-25w-40-synthetic-blend-8m0149932","provider":"PartsVu","version":"1.0","type":"link"}