{"id":16748,"date":"2026-05-07T16:16:18","date_gmt":"2026-05-07T16:16:18","guid":{"rendered":"https:\/\/inboardmarinesolutions.com\/?post_type=product&#038;p=16748"},"modified":"2026-05-07T16:16:32","modified_gmt":"2026-05-07T16:16:32","slug":"mercruiser-350-mpi-alpha-bravo-300-ps-8m0188295","status":"publish","type":"product","link":"https:\/\/inboardmarinesolutions.com\/?product=mercruiser-350-mpi-alpha-bravo-300-ps-8m0188295","title":{"rendered":"MerCruiser 350 MPI ALPHA \/BRAVO 300 PS (8M0188295)"},"content":{"rendered":"<h2 data-start=\"261\" data-end=\"372\">MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS (8M0188295) \u2013 High-Performance Inboard Engine by Seawave Marine<\/h2>\n<p data-start=\"374\" data-end=\"854\">Looking for a <a href=\"https:\/\/seawavemarine.de\/product-category\/inboard-engines\/mercruiser-engines\/\">MerCruiser motor for sale<\/a> that delivers exceptional performance, reliability, and smooth acceleration? The MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS is a high-performance inboard MerCruiser engine designed for marine enthusiasts who demand durability, fuel efficiency, and cutting-edge technology. Whether you&#8217;re repowering an older vessel or upgrading your existing inboard boat motor, this engine offers superior power and efficiency.<\/p>\n<h2 data-start=\"856\" data-end=\"899\">Powerful, Efficient, and Versatile<\/h2>\n<p data-start=\"900\" data-end=\"1268\">The MerCruiser 350 MPI 300 PS features Multi-Port Fuel Injection (MPI), ensuring optimized fuel efficiency and precise throttle response. With a nodular iron crankshaft, Vortec cast-iron cylinder heads, and stainless steel valves, this inboard MerCruiser engine is built to withstand marine environments while delivering exceptional durability.<\/p>\n<h3 data-start=\"1270\" data-end=\"1293\">Key Features:<\/h3>\n<p data-start=\"1294\" data-end=\"1865\">&#x2714; 300 HP Output \u2013 Delivers high performance at 5000 RPM<br data-start=\"1357\" data-end=\"1360\" \/>&#x2714; Multi-Port Fuel Injection (MPI) \u2013 Improves fuel efficiency and throttle precision<br data-start=\"1451\" data-end=\"1454\" \/>&#x2714; Vortec Cast Iron Cylinder Heads \u2013 Provides enhanced power and durability<br data-start=\"1536\" data-end=\"1539\" \/>&#x2714; ECM 555 with Engine Guardian \u2013 Ensures optimal performance and engine protection<br data-start=\"1629\" data-end=\"1632\" \/>&#x2714; SmartCraft Ready \u2013 Offers advanced diagnostics and system monitoring<br data-start=\"1710\" data-end=\"1713\" \/>&#x2714; 9.4:1 Hypereutectic Pistons \u2013 Engineered for strength and longevity<br data-start=\"1790\" data-end=\"1793\" \/>&#x2714; Flame Graphics Finish \u2013 Gives a sleek and powerful aesthetic<\/p>\n<h2 data-start=\"1872\" data-end=\"1904\">Technical Specifications:<\/h2>\n<table data-start=\"1906\" data-end=\"3637\">\n<thead data-start=\"1906\" data-end=\"1990\">\n<tr data-start=\"1906\" data-end=\"1990\">\n<th data-start=\"1906\" data-end=\"1935\">Specification<\/th>\n<th data-start=\"1935\" data-end=\"1990\">Details<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2076\" data-end=\"3637\">\n<tr data-start=\"2076\" data-end=\"2160\">\n<td>Engine Model<\/td>\n<td><a href=\"https:\/\/www.mercurymarine.com\/us\/en\/engines\/sterndrives-and-inboards\/mercruiser-sterndrives-and-inboards\">MerCruiser<\/a> 350 MPI ALPHA \/ BRAVO 300 PS<\/td>\n<\/tr>\n<tr data-start=\"2161\" data-end=\"2245\">\n<td>Order Number<\/td>\n<td>8M0188295<\/td>\n<\/tr>\n<tr data-start=\"2246\" data-end=\"2330\">\n<td>Equal to<\/td>\n<td>MerCruiser OEM: 863611R11<\/td>\n<\/tr>\n<tr data-start=\"2331\" data-end=\"2415\">\n<td>Horsepower<\/td>\n<td>300 HP @ 5000 RPM<\/td>\n<\/tr>\n<tr data-start=\"2416\" data-end=\"2500\">\n<td>Displacement<\/td>\n<td>5.7L (350 cubic inches)<\/td>\n<\/tr>\n<tr data-start=\"2501\" data-end=\"2585\">\n<td>Engine Rotation<\/td>\n<td>Standard \/ Left-Hand Rotation<\/td>\n<\/tr>\n<tr data-start=\"2586\" data-end=\"2670\">\n<td>Fuel System<\/td>\n<td>Multi-Port Fuel Injection (MPI)<\/td>\n<\/tr>\n<tr data-start=\"2671\" data-end=\"2755\">\n<td>Compression Ratio<\/td>\n<td>9.4:1<\/td>\n<\/tr>\n<tr data-start=\"2756\" data-end=\"2840\">\n<td>Cooling System<\/td>\n<td>Water-cooled with thermostat<\/td>\n<\/tr>\n<tr data-start=\"2841\" data-end=\"2925\">\n<td>Throttle System<\/td>\n<td>SmartCraft Digital System (DTS Ready)<\/td>\n<\/tr>\n<tr data-start=\"2926\" data-end=\"3010\">\n<td>Crankshaft<\/td>\n<td>Nodular iron<\/td>\n<\/tr>\n<tr data-start=\"3011\" data-end=\"3094\">\n<td>Camshaft<\/td>\n<td>Roller camshaft<\/td>\n<\/tr>\n<tr data-start=\"3095\" data-end=\"3178\">\n<td>Cylinder Heads<\/td>\n<td>Vortec Cast Iron<\/td>\n<\/tr>\n<tr data-start=\"3179\" data-end=\"3263\">\n<td>Fuel Type<\/td>\n<td>87 Octane Unleaded Gasoline<\/td>\n<\/tr>\n<tr data-start=\"3264\" data-end=\"3348\">\n<td>Drive Compatibility<\/td>\n<td>Compatible with Alpha and Bravo drive systems<\/td>\n<\/tr>\n<tr data-start=\"3349\" data-end=\"3469\">\n<td>Included Components<\/td>\n<td>Flame graphics, heat exchanger, exhaust manifolds, NGK spark plugs, ignition system<\/td>\n<\/tr>\n<tr data-start=\"3470\" data-end=\"3553\">\n<td>Dimensions (L x W x H)<\/td>\n<td>Standard for 350 MPI<\/td>\n<\/tr>\n<tr data-start=\"3554\" data-end=\"3637\">\n<td>Weight<\/td>\n<td>Standard for 350 MPI<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-start=\"3644\" data-end=\"3708\">Why Choose the MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS?<\/h2>\n<p data-start=\"3710\" data-end=\"4092\">If you&#8217;re searching for Mercury inboard engines for sale, the MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS is one of the best inboard MerCruiser engines available today. Whether you&#8217;re replacing a worn-out inboard motor or upgrading your existing sterndrive engine, this model is designed for enhanced fuel economy, seamless performance, and long-term durability.<\/p>\n<p data-start=\"4094\" data-end=\"4484\">&#x2714; Ideal for repowering older inboard motors including 5.0L, 5.0L EFI\/MPI, 5.7L, 5.7L EFI\/MPI, and 350 Mag MPI sterndrive engines<br data-start=\"4230\" data-end=\"4233\" \/>&#x2714; DTS-ready for seamless digital throttle control<br data-start=\"4286\" data-end=\"4289\" \/>&#x2714; Optimized fuel injection system ensures superior fuel economy and reduced emissions<br data-start=\"4382\" data-end=\"4385\" \/>&#x2714; Built for both freshwater and saltwater environments, ensuring long-lasting performance<\/p>\n<h2 data-start=\"4491\" data-end=\"4554\">MerCruiser Marine Engines Price &amp; Warranty Information<\/h2>\n<p data-start=\"4556\" data-end=\"4752\">At Seawave Marine, we offer competitive pricing on all MerCruiser inboard motors, including the 350 MPI ALPHA \/ BRAVO 300 PS. Contact us for real-time pricing and availability.<\/p>\n<h3 data-start=\"4754\" data-end=\"4782\">Warranty Coverage:<\/h3>\n<ul data-start=\"4783\" data-end=\"5090\">\n<li data-start=\"4783\" data-end=\"4856\">Factory Warranty: 3-year manufacturer-backed limited warranty<\/li>\n<li data-start=\"4857\" data-end=\"4969\">Extended Coverage: Optional Mercury Product Protection (MPP) for up to 5 years of total coverage<\/li>\n<li data-start=\"4970\" data-end=\"5090\">Seawave Marine After-Sales Support: Expert installation assistance, servicing, and troubleshooting available<\/li>\n<\/ul>\n<h2 data-start=\"5097\" data-end=\"5139\">Frequently Asked Questions (FAQs)<\/h2>\n<h3 data-start=\"5141\" data-end=\"5232\">1. How does the MerCruiser 350 MPI ALPHA \/ BRAVO compare to other inboard motors?<\/h3>\n<p data-start=\"5233\" data-end=\"5457\">The MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS provides higher torque, improved fuel efficiency, and SmartCraft system readiness, offering better control and diagnostics compared to older inboard MerCruiser engines.<\/p>\n<h3 data-start=\"5459\" data-end=\"5532\">2. Is this MerCruiser inboard motor suitable for saltwater use?<\/h3>\n<p data-start=\"5533\" data-end=\"5713\">Yes, this Mercury inboard engine is built for both freshwater and saltwater applications, featuring corrosion-resistant materials and an advanced closed cooling system.<\/p>\n<h3 data-start=\"5715\" data-end=\"5789\">3. How much does a MerCruiser 350 MPI ALPHA \/ BRAVO engine cost?<\/h3>\n<p data-start=\"5790\" data-end=\"5944\">The MerCruiser marine engines price varies based on market demand and optional features. Contact us for current pricing and financing options.<\/p>\n<h3 data-start=\"5946\" data-end=\"6013\">4. What type of fuel does this MerCruiser engine require?<\/h3>\n<p data-start=\"6014\" data-end=\"6161\">This inboard boat motor runs on unleaded gasoline with a minimum octane rating of 87, ensuring optimal performance and fuel efficiency.<\/p>\n<h3 data-start=\"6163\" data-end=\"6221\">5. What maintenance is required for this engine?<\/h3>\n<p data-start=\"6222\" data-end=\"6253\">Routine maintenance includes:<\/p>\n<ul data-start=\"6254\" data-end=\"6454\">\n<li data-start=\"6254\" data-end=\"6320\">Oil and filter changes every 100 hours or annually<\/li>\n<li data-start=\"6321\" data-end=\"6387\">Cooling system flush and inspection to prevent overheating<\/li>\n<li data-start=\"6388\" data-end=\"6454\">Spark plug and fuel filter replacement every 300 hours<\/li>\n<\/ul>\n<h3 data-start=\"6456\" data-end=\"6514\">6. Where can I buy a MerCruiser engine for sale?<\/h3>\n<p data-start=\"6515\" data-end=\"6637\">You can purchase this engine directly from Seawave Marine, a trusted authorized dealer of Mercury inboard engines.<\/p>\n<h2 data-start=\"6644\" data-end=\"6730\">Order Your MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS from Seawave Marine Today!<\/h2>\n<p data-start=\"6732\" data-end=\"7032\">At Seawave Marine, we specialize in high-quality inboard motors and genuine MerCruiser marine engines for sale. Whether you&#8217;re looking for a <a href=\"https:\/\/seawavemarine.de\/\">MerCruiser motor for sale<\/a>, an inboard MerCruiser engine replacement, or the best Mercury inboard engines for sale, we have you covered.<\/p>\n<h3 data-start=\"7039\" data-end=\"7077\">Why Buy from Seawave Marine?<\/h3>\n<ul data-start=\"7078\" data-end=\"7404\">\n<li data-start=\"7078\" data-end=\"7153\">Authorized Dealer \u2013 Only genuine MerCruiser inboard motors sold<\/li>\n<li data-start=\"7154\" data-end=\"7228\">Fast Shipping \u2013 Europe-wide &amp; international delivery available<\/li>\n<li data-start=\"7229\" data-end=\"7316\">Expert Advice \u2013 Our specialists assist with engine selection &amp; installation<\/li>\n<li data-start=\"7317\" data-end=\"7404\">Warranty Protection \u2013 3-year manufacturer-backed warranty for peace of mind<\/li>\n<\/ul>\n<p data-start=\"7406\" data-end=\"7563\">Don&#8217;t settle for anything less than the best MerCruiser engine for sale\u2014get your MerCruiser 350 MPI ALPHA \/ BRAVO 300 PS today at Seawave Marine.<\/p>\n","protected":false},"excerpt":{"rendered":"<h3><strong>Explore More Of\u00a0 Our Mercruiser Marine Engines Model:<\/strong><\/h3>\n<p><a href=\"https:\/\/seawavemarine.de\/product\/mercruiser-4-3l-alpha-4v-gen\/\">MerCruiser 4.3L ALPHA 4V GEN+ 225 PS (865108R89)<\/a><\/p>\n","protected":false},"featured_media":16788,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[299],"product_cat":[298],"product_tag":[],"class_list":["post-16748","product","type-product","status-publish","has-post-thumbnail","product_brand-mercruiser","product_cat-mercruiser-marine-engines","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=\/wp\/v2\/product\/16748","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16748"}],"version-history":[{"count":1,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=\/wp\/v2\/product\/16748\/revisions"}],"predecessor-version":[{"id":16789,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=\/wp\/v2\/product\/16748\/revisions\/16789"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=\/wp\/v2\/media\/16788"}],"wp:attachment":[{"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16748"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=16748"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=16748"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/inboardmarinesolutions.com\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=16748"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}