{"title":"MerCruiser Gears and Gear Housing","description":"","products":[{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-1-81-ratio-dual-water-pickup-fits-bravo-iii-xr-1656-8m0046831","title":"Mercury Mercruiser - Bravo Three Gear Housing - 1.81 Ratio, Dual Water Pickup - Fits Bravo III XR - 1656-8M0046831","description":"\u003cp\u003e1.81 ratio, dual water pickup\u003c\/p\u003e\n\u003cp\u003eFits Bravo III XR (s\/n 0W240000 and up)\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452016419,"sku":"1656-8M0046831","price":6893.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046733_4.jpg?v=1698779640"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-1-36-1-50-ratio-dual-water-pickup-fits-bravo-iii-iii-x-1656-8m0046733","title":"Mercury – Complete Gearcase | Bravo Three \/ Three X Series | Corrosion-Resistant Alloy | 8M0046733","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Complete Gearcase | Bravo Three \/ Three X Series | Corrosion-Resistant Alloy | 8M0046733\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\"\u003eIf you run a Bravo Three drive, you already know how much trust you place in the gearcase. It’s doing the hard work every time you ease into gear, trim up onto plane, or push through a tight turn with a crosswind. When a gearcase starts to fail, you feel it in your gut long before you hear it. That is why boaters who demand reliability turn to the Mercury 8M0046733 Complete Gearcase. It brings back that steady, predictable performance you count on—whether you’re running offshore with the family or cruising home after a long day on the water. There’s comfort in knowing the heart of your drive system is brand-new, built to Mercury specifications, and ready for years of abuse.\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\"\u003eReplacement gearcase for Bravo Three and Bravo Three X sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSupports both \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.36\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e and \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.50\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gear ratios\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eXK360 low-copper alloy for superior corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDurable Tri-Paint system with a \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003etough\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, long-lasting barrier\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty near-net forged gears for strength and longevity\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered for seamless alignment and proper gear mesh\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser Bravo Three sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e (serial No. 0D784124 \u0026amp; up)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser Bravo Three X sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.36\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e or \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.50\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e ratios\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommonly used on:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCruisers and sport cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOffshore fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMulti-engine center consoles\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLarger bowriders\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHouseboats and cabin boats running Bravo drives\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\"\u003eThe moment you install this gearcase, the whole drive system feels more confident and predictable. Shifts come through clean and smooth—none of that rattling hesitation you get from worn gearsets. The forged gears give you that reassuring, solid engagement every time you hit forward or reverse. And once you’re moving, the drive feels steady under load, even during sharp turns or when trimming up in sloppy conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThe corrosion resistance is another \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003emajor\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e benefit. Between saltwater, marine growth, and constant temperature changes, gearcases take a beating. Mercury’s XK360 alloy and the Tri-Paint coating work together to slow down corrosion, keeping the gearcase looking clean and performing strong season after season. It’s one of those upgrades that pays you back over time because you’re not constantly dealing with pitting or premature failures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThis gearcase also installs with the precision you expect from an OEM part. Everything lines up, the tolerances feel tight, and you won’t be fighting misalignment or strange vibrations. It’s engineered to restore your drive to factory performance—not “good enough,” but the genuine Mercury standard.\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\"\u003eA Bravo Three-series drive is not the place to experiment with cheaper aftermarket parts. The loads are too high, the tolerances too exact, and the cost of failure too expensive. An OEM Mercury Marine part gives you the same reliability and engineering your boat left the factory with. You get proven materials, proper alignment, long-lasting gears, and the peace of mind that comes from knowing your gearcase is built for your exact sterndrive—not “many models,” but your model.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s also the most cost-effective choice in the long run. You install it once, it fits right, and it performs the way Mercury intended.\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 engines does this gearcase fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Bravo Three and Bravo Three X sterndrives equipped with 1.36 and 1.50 gear ratios.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: Why choose OEM instead of aftermarket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM gearcases last longer, fit properly, and match Mercury’s precise engineering standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the right gearcase?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your sterndrive’s serial number and gear ratio—both must match the compatibility list.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it handle saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes. The alloy and Tri-Paint coating are \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003edesigned specifically\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for harsh saltwater environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is it difficult to install?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most marine techs handle the job easily. Experienced boaters with proper tools can also install it confidently.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452213027,"sku":"1656-8M0046733","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/Gearcase_Bravo_III_Main.jpg?v=1760631293"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-1-81-2-00-2-20-ratio-dual-water-pickup-fits-bravo-iii-x-bravo-iii-xr-aeu-2-00-ratio-1656-8m0046738","title":"Mercury – Complete Gearcase | Bravo Three \/ Three X \/ Three XR Series | Corrosion-Resistant Alloy | 8M0046738","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Complete Gearcase | Bravo Three \/ Three X \/ Three XR Series | Corrosion-Resistant Alloy | 8M0046738\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eAnyone who’s run a Bravo Three drive long enough knows the lower unit carries the weight of every good day on the water. When it’s strong, smooth, and dependable, you feel it instantly—your boat lifts with purpose, tracks clean through chop, and settles into a rhythm that just feels right. That kind of confidence is priceless, especially when you’re miles from the ramp with a full crew and the weather starts shifting. The Mercury 8M0046738 Complete Gearcase is built for boaters who rely on their equipment not just for performance, but for peace of mind. It restores that steady, predictable feel you remember from the boat’s best days.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete OEM gearcase for Bravo Three, Three X, and Three XR sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.81, 2.00, and 2.20 gear ratio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e applications\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eC\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eorrosion-fighting XK360 alloy for long-term durability\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTri-Paint protective coating resists harsh marine environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty near-net forged gears for smoother, stronger engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFactory-spec construction for precise fit and optimal performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBravo Three and Bravo Three X sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with 1.81, 2.00, or 2.20 gear ratios\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eB\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eravo Three XR sterndrives\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e with 2.00 gear ratio\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommon boat types:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOffshore fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSport cruisers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTow and surf boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMulti-engine offshore setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavier cabin boats and performance hulls\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen you bolt on the 8M0046738 gearcase, the difference is more than mechanical—it’s something you feel every moment you’re behind the helm. Shifts become crisp without being harsh. Throttle response stays smooth and predictable. The forged gears mesh cleanly, giving you that solid, no-nonsense engagement Mercury drives are known for.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you run bigger props or twin-counter-rotating sets, you’ll appreciate how steady the drive feels even under heavy load. Whether you’re easing into a tricky marina slip or trimming up to run across open water, everything feels tighter and more controlled. That’s the beauty of an OEM gearcase restored to proper spec.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSaltwater boaters will especially value the corrosion resistance. Mercury’s XK360 alloy and Tri-Paint coating work together to slow down the kind of wear that usually shows up after a few seasons in the elements. It’s built to handle long-term exposure, regular haul-outs, and the abuse that real-world boating dishes out.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward thanks to the precise machining and\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e exact Mercury geometry. You’re not fighting misaligned surfaces or questionable tolerances. It fits right, seals right, and performs the way the rest of your Bravo system was engineered to.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA gearcase is not a part where “close enough” is ever good enough. Mercury OEM components are engineered specifically for the torque, thrust, and shifting loads of Bravo drives. Aftermarket units often cut corners on metallurgy, tolerances, or coatings—and those shortcuts show up in the form of premature wear, noisy shifting, or corrosion.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eChoosing OEM means:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProper fit the first time\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eLonger lifespan\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eReduced maintenance headaches\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance that matches factory expectations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eProtection for the rest of your drivetrain\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s the seasoned boater’s choice because it simply works—and keeps working.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which sterndrives does this gearcase fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Bravo Three, Bravo Three X, and Bravo Three XR models within the supported gear ratios.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes OEM better than aftermarket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Higher-grade metals, exact tolerances, factory engineering, and proven reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm it’s the right ratio?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your current gear ratio and sterndrive serial number with Mercury’s specifications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it handle both freshwater and saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes—its alloy and coating are built specifically for long-term corrosion resistance.\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 Most marine technicians install it easily, and experienced boaters can do it with the correct tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452245795,"sku":"1656-8M0046738","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/Gearcase_Bravo_III_Main_203e41f7-8684-410e-86fb-f7253ef80f12.jpg?v=1760631293"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-1-65-ratio-dual-water-pickup-fits-bravo-iii-iii-x-bravo-iii-xr-aeu-1-65-ratio-1656-8m0046735","title":"Mercury – Complete Gearcase | Bravo Three \/ Three X \/ Three XR Series | Corrosion-Resistant Alloy | 8M0046735","description":"\u003ch2\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Complete Gearcase | Bravo Three \/ Three X \/ Three XR Series | Corrosion-Resistant Alloy | 8M0046735\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\"\u003eWhen you spend enough time on the water, you learn pretty quickly that your sterndrive’s gearcase is more than just a mechanical part—it’s the heartbeat of the entire propulsion system. When it’s healthy, everything feels right. T\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehe boat lifts cleanly onto plane, the shifts come through smooth, and the steering stays predictable even in a tight channel. That’s the kind of confidence the Mercury 8M0046735 Complete Gearcase brings back. It’s built for boaters who need their equipment to show up every single day, whether they’re running a long no-wake zone or pushing a heavy load offshore. T\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehere’s a real sense of relief when you know the lower unit under you is brand-new, factory-matched, and ready for whatever your season throws at it.\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 replacement gearcase for Bravo Three, Three X, and Three XR sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.65 gear ratio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e systems\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eXK360 low-copper alloy provides outstanding corrosion defense\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eT\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eri-Paint protective finish creates a durable, long-lasting barrier\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty near-net forged gears ensure strong, smooth engagement\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered specifically to Mercury OEM fitment and performance standards\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\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible sterndrives:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser Bravo Three\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e (serial No. 0D784124 and up)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser Bravo Three X\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e (0W240000 and up)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMerCruiser Bravo Three XR\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e (0W240000 and up)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eA\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ell models listed must use the \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.65 gear ratio\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance sport boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOffshore fishing boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCruisers and heavy cabin boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTowing and watersports boats running Bravo platforms\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTwin-engine and high-load Bravo rigs\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\"\u003eThe 8M0046735 gearcase brings your boat back to that really satisfying “tight and steady” feel you only get from a properly built OEM drive. T\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ehe forged gears take the load without chatter, so shifts feel solid rather than harsh. Once you’re underway, you’ll notice how smoothly the propellers stay engaged, especially during quick throttle changes or hard turns. It’s the kind of performance difference you can literally feel through the helm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eF\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eor boaters who deal with saltwater, repeated haul-outs, or long days at the dock, the corrosion resistance is a major advantage. Mercury’s XK360 alloy and Tri-Paint coating work like armor. You can expect far less pitting, much better long-term protection, and a gearcase that holds up season after season.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eInstallation is straightforward because this gearcase is built to Mercury’s exact tolerances. No awkward alignment fights, no mismatched surfaces—just a clean fit that restores your Bravo drive to factory standards. It’s the kind of upgrade that immediately improves your confidence in your boat.\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\"\u003eIf you’re running a Bravo Three, you already understand how much load these drives handle. This isn’t the place to gamble on generic or “universal fit” parts. Mercury OEM gearcases are engineered for the exact torque loads, alignments, and gear mesh these sterndrives demand. They last longer, run smoother, and protect the rest of your drivetrain better than aftermarket alternatives.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBuying OEM also means installation is easier, long-term maintenance stays predictable, and the part performs correctly the first time. It’s the practical, experienced choice—the kind of advice boaters pass along at the ramp or the marina.\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 systems does this gearcase fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits Bravo Three, Three X, and Three XR sterndrives using the 1.65 gear ratio.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e: Why choose OEM instead of aftermarket?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e OEM ensures correct fit, stronger gears, better corrosion resistance, and long-term reliability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm this is the right part?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your drive’s serial number and confirm you’re running a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e1.65 gear ratio\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is this suitable for saltwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. The alloy and coating are built specifically for harsh marine environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation easy?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Most marine technicians find installation straightforward, and experienced boaters can install it with the right tools.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452278563,"sku":"1656-8M0046735","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/Gearcase_Bravo_III_Main_5f4902bd-986d-4e8b-af3e-80cdafa79a82.jpg?v=1760631292"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-seacore-1-81-2-00-2-20-ratio-fits-bravo-iii-iii-x-bravo-iii-xr-aeu-2-00-ratio-1656-8866j09","title":"Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.81, 2.00 \u0026 2.20 Ratio - Fits Bravo III, III X \u0026 Bravo III XR - 2.00 Ratio - 1656-8866J09","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003e1.81, 2.00 \u0026amp; 2.20 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBravo III\u003c\/li\u003e\n\u003cli\u003eBravo III X\u003c\/li\u003e\n\u003cli\u003eBravo III XR - 2.00 ratio\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452311331,"sku":"1656-8866J09","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046733_7.jpg?v=1698779641"},{"product_id":"mercury-mercruiser-aeu-bravo-one-gear-housing-seacore-with-dual-water-pickup-1-36-1-50-1-65-ratio-fits-bravo-i-i-x-drives-1656-8866j01","title":"Mercury – Complete Gearcase | SeaCore Bravo One \/ One X Series | Hard-Coat Anodized Alloy | 8866J01","description":"\u003cp data-start=\"0\" data-end=\"115\"\u003e\u003cstrong data-start=\"0\" data-end=\"115\"\u003eMercury – Complete Gearcase | SeaCore Bravo One \/ One X Series | Hard-Coat Anodized Alloy | 8866J01\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"119\" data-end=\"783\"\u003e\u003cstrong data-start=\"119\" data-end=\"131\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"131\" data-end=\"135\"\u003eAnyone who’s spent long days offshore knows how much trust you place in your gearcase. It’s the muscle under the boat—quiet, steady, and often forgotten until something goes wrong. When it’s right, you can feel it in every clean shift and every smooth rise onto plane. The \u003cstrong data-start=\"408\" data-end=\"464\"\u003eMercury Marine part number 8866J01 Complete Gearcase\u003c\/strong\u003e brings that confidence back to your MerCruiser SeaCore Bravo One or One X sterndrive, giving you the peace of mind that only a well-built, saltwater-ready drive can offer. Whether you’re carving through an inlet or cruising toward open horizon, this gearcase is designed to carry you there with strength you can trust.\u003c\/p\u003e\n\u003cp data-start=\"787\" data-end=\"805\"\u003e\u003cstrong data-start=\"787\" data-end=\"803\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"807\" data-end=\"1268\"\u003e\n\u003cli data-start=\"807\" data-end=\"901\"\u003e\n\u003cp data-start=\"809\" data-end=\"901\"\u003eComplete replacement gearcase built for MerCruiser SeaCore Bravo One and One X sterndrives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"903\" data-end=\"1001\"\u003e\n\u003cp data-start=\"905\" data-end=\"1001\"\u003eSeaCore hard-coat anodized housing for exceptional corrosion resistance in harsh saltwater use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1003\" data-end=\"1079\"\u003e\n\u003cp data-start=\"1005\" data-end=\"1079\"\u003eTri-Paint exterior system adds a durable, multi-layer protective barrier\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1081\" data-end=\"1140\"\u003e\n\u003cp data-start=\"1083\" data-end=\"1140\"\u003eXK360 low-copper alloy for additional corrosion defense\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1142\" data-end=\"1214\"\u003e\n\u003cp data-start=\"1144\" data-end=\"1214\"\u003eHeavy-duty forged gears and reinforced U-joint for long service life\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1216\" data-end=\"1268\"\u003e\n\u003cp data-start=\"1218\" data-end=\"1268\"\u003eCompatible with 1.36, 1.50, and 1.65 gear ratios\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1272\" data-end=\"1305\"\u003e\u003cstrong data-start=\"1272\" data-end=\"1303\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1307\" data-end=\"1614\"\u003e\n\u003cli data-start=\"1307\" data-end=\"1372\"\u003e\n\u003cp data-start=\"1309\" data-end=\"1372\"\u003eFits MerCruiser SeaCore Bravo One and Bravo One X sterndrives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1374\" data-end=\"1447\"\u003e\n\u003cp data-start=\"1376\" data-end=\"1447\"\u003eBuilt for marine power systems using 1.36, 1.50, and 1.65 gear ratios\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1449\" data-end=\"1558\"\u003e\n\u003cp data-start=\"1451\" data-end=\"1558\"\u003eIdeal for performance boats, offshore fishing boats, sport cruisers, and high-torque recreational vessels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1560\" data-end=\"1614\"\u003e\n\u003cp data-start=\"1562\" data-end=\"1614\"\u003eWorks in both single-engine and twin-engine setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1618\" data-end=\"2102\"\u003e\u003cstrong data-start=\"1618\" data-end=\"1654\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1654\" data-end=\"1658\"\u003eA gearcase is one of those components where quality shows itself instantly. With the 8866J01 installed, shifts feel decisive and clean, free from hesitation or chatter. Under load, the forged gears deliver a strong, smooth transfer of power that gives the boat a steadier ride—especially when you’re accelerating hard or running through chop. You’ll feel how tight and secure everything is, as if the whole drive suddenly gained a new backbone.\u003c\/p\u003e\n\u003cp data-start=\"2106\" data-end=\"2650\"\u003eThen there’s the corrosion resistance. Saltwater can be ruthless, eating away at anything that’s not built to stand up to it. The SeaCore hard-coat anodizing, Tri-Paint protection, and low-copper alloy all work together to create a barrier that holds up season after season. It’s the kind of durability that lets you focus on the water instead of worrying about what’s happening beneath it. Installation is straightforward for a complete assembly like this, and once it’s bolted in, it’s built to remain steady and reliable with minimal upkeep.\u003c\/p\u003e\n\u003cp data-start=\"2654\" data-end=\"3301\"\u003e\u003cstrong data-start=\"2654\" data-end=\"2669\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"2669\" data-end=\"2673\"\u003eWhen you’re replacing an entire gearcase, choosing genuine OEM isn’t just a preference—it’s a smart investment. A \u003cstrong data-start=\"2787\" data-end=\"2810\"\u003eMercury Marine part\u003c\/strong\u003e like this one is engineered to fit perfectly, run smoothly, and hold up under conditions the designers anticipated from day one. Aftermarket assemblies can look similar, but differences in materials, machining, and coating become obvious once the drive is in the water. With OEM, you get matched tolerances, proven durability, and the reliability that comes from decades of marine engineering. If you want your sterndrive to feel right the first time—and stay that way—OEM is the way to go.\u003c\/p\u003e\n\u003cp data-start=\"3305\" data-end=\"3477\"\u003e\u003cstrong data-start=\"3305\" data-end=\"3312\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"3312\" data-end=\"3316\"\u003e\u003cstrong data-start=\"3316\" data-end=\"3377\"\u003eQ1: Which systems does the Complete Gearcase 8866J01 fit?\u003c\/strong\u003e\u003cbr data-start=\"3377\" data-end=\"3381\"\u003eIt fits MerCruiser SeaCore Bravo One and One X sterndrives with 1.36, 1.50, or 1.65 gear ratios.\u003c\/p\u003e\n\u003cp data-start=\"3481\" data-end=\"3728\"\u003e\u003cstrong data-start=\"3481\" data-end=\"3538\"\u003eQ2: What makes this better than aftermarket versions?\u003c\/strong\u003e\u003cbr data-start=\"3538\" data-end=\"3542\"\u003eThe corrosion protection and gear construction. Mercury’s hard-coat anodizing, Tri-Paint finish, and forged gears deliver long-term reliability aftermarket gearcases usually can’t match.\u003c\/p\u003e\n\u003cp data-start=\"3732\" data-end=\"3932\"\u003e\u003cstrong data-start=\"3732\" data-end=\"3787\"\u003eQ3: How do I confirm this is the right replacement?\u003c\/strong\u003e\u003cbr data-start=\"3787\" data-end=\"3791\"\u003eMatch your sterndrive model (Bravo One or One X) and verify your gear ratio. If those line up, this part number is typically the correct fit.\u003c\/p\u003e\n\u003cp data-start=\"3936\" data-end=\"4105\"\u003e\u003cstrong data-start=\"3936\" data-end=\"3987\"\u003eQ4: Can it be used in freshwater and saltwater?\u003c\/strong\u003e\u003cbr data-start=\"3987\" data-end=\"3991\"\u003eAbsolutely. It’s built for the harshest saltwater environments, so freshwater use is well within its capabilities.\u003c\/p\u003e\n\u003cp data-start=\"4109\" data-end=\"4286\"\u003e\u003cstrong data-start=\"4109\" data-end=\"4149\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"4149\" data-end=\"4153\"\u003eFor experienced boat owners or technicians, yes. It installs like a standard Bravo One gearcase replacement with predictable fitment.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452344099,"sku":"1656-8866J01","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8866J01_Main.jpg?v=1760631268"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-2-43-ratio-dual-water-pickup-fits-bravo-iii-iii-x-1656-8m0046682","title":"Mercury Mercruiser - Bravo Three Gear Housing - 2.43 ratio, Dual Water Pickup - Fits Bravo III \u0026 III X - 1656-8M0046682","description":"\u003cp\u003e2.43 ratio, dual water pickup\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBravo III (s\/n 0D784124 and up)\u003c\/li\u003e\n\u003cli\u003eBravo III X\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452376867,"sku":"1656-8M0046682","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046733_3.jpg?v=1698779640"},{"product_id":"mercury-mercruiser-aeu-bravo-two-gear-housing-seacore-1-81-2-00-2-20-ratio-fits-bravo-ii-iix-1641-8294j01","title":"Mercury Mercruiser - Bravo Two Gear Housing - SeaCore - 1.81, 2.00 \u0026 2.20 Ratio - Fits Bravo II \u0026 IIX - 1641-8294J01","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003e1.81, 2.00 \u0026amp; 2.20 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBravo II\u003c\/li\u003e\n\u003cli\u003eBravo IIX\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452409635,"sku":"1641-8294J01","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8294a19_3.jpg?v=1698779642"},{"product_id":"mercury-mercruiser-aeu-bravo-two-gear-housing-1-81-2-00-2-20-ratio-fits-bravo-ii-ii-x-1641-8294a16","title":"Mercury Mercruiser - Bravo Two Gear Housing - 1.81, 2.00 \u0026 2.20 Ratio - Fits Bravo II \u0026 II X - 1641-8294A16","description":"\u003cp\u003e1.81, 2.00 \u0026amp; 2.20 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBravo II (s\/n 0D469920 \u0026amp; up)\u003c\/li\u003e\n\u003cli\u003eBravo II X\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932452442403,"sku":"1641-8294A16","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8294a19_1.jpg?v=1698779642"},{"product_id":"mercury-mercruiser-aeu-alpha-one-gear-housing-standard-rotation-fits-r-mr-alpha-one-1623-8951a43","title":"Mercury – Standard Rotation Gearcase | MerCruiser R\/MR\/Alpha One | Low-Copper Alloy \u0026 Tri-Paint Finish | 8951A43","description":"\u003cp\u003e\u003cstrong\u003eMercury – Standard Rotation Gearcase | MerCruiser R\/MR\/Alpha One | Low-Copper Alloy \u0026amp; Tri-Paint Finish | 8951A43\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003cbr\u003eIf you’ve spent enough time piloting a sterndrive boat, you know how much the lower unit shapes the feel of every trip. The way the boat lifts, how it holds in a turn, the steady pull when you push up onto plane—all of it starts in the gearcase. When the gearcase is strong and healthy, everything about the boat feels tighter, smoother, and more predictable. This Mercury Marine part brings that sense of control back, giving your MerCruiser sterndrive the power and confidence it was built for, whether you’re cruising across open water or easing through a busy channel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003cbr\u003e• Standard rotation (right-hand) gearcase for MerCruiser R, MR, and Alpha One sterndrives.\u003cbr\u003e• Built with XK360 low-copper alloy for enhanced corrosion resistance.\u003cbr\u003e• Protected with Mercury’s durable Tri-Paint anti-corrosion coating.\u003cbr\u003e• Features spiral-cut steel bevel gears for smooth, quiet operation.\u003cbr\u003e• Engineered to match original Mercury Marine part number specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003cbr\u003e• Fits MerCruiser R, MR, and Alpha One sterndrives.\u003cbr\u003e• Common on sport boats, bowriders, small cruisers, runabouts, and family boats.\u003cbr\u003e• Suitable for both saltwater and freshwater applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr\u003eA well-built gearcase changes everything about how a sterndrive handles. This unit’s spiral-cut gears mesh smoothly, reducing vibration and giving your boat a quiet, confident feel—even when you push it hard. You’ll notice improved handling in tight turns, steadier lift during acceleration, and better thrust in rougher seas.\u003c\/p\u003e\n\u003cp\u003eThe XK360 low-copper alloy provides excellent corrosion resistance, especially important for boats that spend long stretches in brackish or saltwater. The Tri-Paint finish adds another barrier of protection, helping the gearcase hold its clean, sharp look while preventing the kind of long-term wear that can compromise performance. Internally, the gears and shafts are engineered with the same tolerances Mercury uses on factory units, so installation feels natural and precise.\u003c\/p\u003e\n\u003cp\u003eA good gearcase doesn’t just move your boat—it inspires trust. With this one, you’ll feel that tight, secure control that makes every outing more enjoyable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr\u003eGearcases carry enormous stress, and even small deviations in machining or metallurgy can lead to vibration, early wear, or catastrophic failure. Aftermarket units may look similar, but they rarely meet Mercury’s standards for alloy strength, gear precision, or hydrodynamic design.\u003c\/p\u003e\n\u003cp\u003eA genuine Mercury Marine part ensures proper alignment, exact gear ratios, and long-term durability. It installs cleanly, performs flawlessly, and protects your investment in ways cheaper alternatives simply can’t. It’s the kind of upgrade or replacement you choose when you want absolute confidence in your sterndrive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Which engines does this gearcase fit?\u003c\/strong\u003e\u003cbr\u003eIt fits MerCruiser R, MR, and Alpha One sterndrives.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What makes it different from aftermarket gearcases?\u003c\/strong\u003e\u003cbr\u003eIt uses Mercury’s low-copper alloy, Tri-Paint protection, and precision-machined gears for smooth, long-lasting performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How do I confirm it’s the right replacement?\u003c\/strong\u003e\u003cbr\u003eCheck your sterndrive model and parts listing. If you see part number 8951A43, this is the correct unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/strong\u003e\u003cbr\u003eYes. 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It’s the kind of solid, mechanical connection that makes your boat respond instantly — exactly the way it should.\u003c\/p\u003e\n\u003chr data-start=\"648\" data-end=\"651\"\u003e\n\u003ch3 data-start=\"653\" data-end=\"675\"\u003e\u003cstrong data-start=\"657\" data-end=\"673\"\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"678\" data-end=\"776\"\u003e\n\u003cstrong data-start=\"678\" data-end=\"690\"\u003ePurpose:\u003c\/strong\u003e Transfers power from the engine to the propeller shaft with precision and strength.\u003c\/li\u003e\n\u003cli data-start=\"779\" data-end=\"893\"\u003e\n\u003cstrong data-start=\"779\" data-end=\"792\"\u003eMaterial:\u003c\/strong\u003e Built from \u003cstrong data-start=\"804\" data-end=\"836\"\u003ehardened, heat-treated steel\u003c\/strong\u003e that resists fatigue, corrosion, and long-term stress.\u003c\/li\u003e\n\u003cli data-start=\"896\" data-end=\"1003\"\u003e\n\u003cstrong data-start=\"896\" data-end=\"914\"\u003eDesign Detail:\u003c\/strong\u003e Uses \u003cstrong data-start=\"920\" data-end=\"957\"\u003e15-tooth and 19-tooth bevel gears\u003c\/strong\u003e for perfect alignment and quiet engagement.\u003c\/li\u003e\n\u003cli data-start=\"1006\" data-end=\"1107\"\u003e\n\u003cstrong data-start=\"1006\" data-end=\"1022\"\u003ePerformance:\u003c\/strong\u003e Cut to \u003cstrong data-start=\"1030\" data-end=\"1052\"\u003eOEM specifications\u003c\/strong\u003e for the proper gear ratio and smooth power delivery.\u003c\/li\u003e\n\u003cli data-start=\"1110\" data-end=\"1200\"\u003e\n\u003cstrong data-start=\"1110\" data-end=\"1122\"\u003eFitment:\u003c\/strong\u003e Made specifically for \u003cstrong data-start=\"1145\" data-end=\"1197\"\u003eMerCruiser Bravo One and Bravo One X sterndrives\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1203\" data-end=\"1291\"\u003e\n\u003cstrong data-start=\"1203\" data-end=\"1216\"\u003eIncludes:\u003c\/strong\u003e Comes complete with \u003cstrong data-start=\"1237\" data-end=\"1265\"\u003eforward and pinion gears\u003c\/strong\u003e for a full replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1293\" data-end=\"1296\"\u003e\n\u003ch3 data-start=\"1298\" data-end=\"1335\"\u003e\u003cstrong data-start=\"1302\" data-end=\"1333\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1338\" data-end=\"1398\"\u003e\n\u003cstrong data-start=\"1343\" data-end=\"1383\"\u003eMerCruiser Bravo One and Bravo One X\u003c\/strong\u003e sterndrives.\u003c\/li\u003e\n\u003cli data-start=\"1401\" data-end=\"1489\"\u003e\n\u003cstrong data-start=\"1411\" data-end=\"1486\"\u003eV8-powered sport boats, performance cruisers, and offshore fishing rigs\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-start=\"1492\" data-end=\"1570\"\u003eCompatible with \u003cstrong data-start=\"1508\" data-end=\"1536\"\u003efreshwater and saltwater\u003c\/strong\u003e boats when properly maintained.\u003c\/li\u003e\n\u003cli data-start=\"1573\" data-end=\"1646\"\u003eIdeal for engines demanding high torque and smooth shifting under load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1648\" data-end=\"1651\"\u003e\n\u003ch3 data-start=\"1653\" data-end=\"1695\"\u003e\u003cstrong data-start=\"1657\" data-end=\"1693\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"1696\" data-end=\"2014\"\u003eWhen the gears in your Bravo drive are worn, you feel it — the shift clunks, the noise increases, and your throttle response loses that tight, connected feel. The \u003cstrong data-start=\"1859\" data-end=\"1887\"\u003e14063A1 Forward Gear Set\u003c\/strong\u003e fixes that. The gears are cut to exact Mercury tolerances, so they mesh perfectly and deliver power quietly and efficiently.\u003c\/p\u003e\n\u003cp data-start=\"2016\" data-end=\"2348\"\u003eThe heat-treated steel is built for endurance, withstanding long hours, high RPMs, and repeated stress without losing its bite. Once installed, shifting feels crisp and immediate again. You’ll notice quieter operation, cleaner acceleration, and a smoother ride — everything your MerCruiser was designed to deliver when it was new.\u003c\/p\u003e\n\u003chr data-start=\"2350\" data-end=\"2353\"\u003e\n\u003ch3 data-start=\"2355\" data-end=\"2376\"\u003e\u003cstrong data-start=\"2359\" data-end=\"2374\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"2377\" data-end=\"2706\"\u003eGear sets are one of those parts where precision really matters. Aftermarket gears may look right, but even the smallest error in tooth profile or hardness can cause vibration, noise, or premature failure. The \u003cstrong data-start=\"2587\" data-end=\"2610\"\u003eQuicksilver 14063A1\u003c\/strong\u003e is a \u003cstrong data-start=\"2616\" data-end=\"2647\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, engineered to exact factory specs for your Bravo drive.\u003c\/p\u003e\n\u003cp data-start=\"2708\" data-end=\"3021\"\u003eMercury’s gears are tested under real load, not just in a lab. They’re hardened for strength, machined for accuracy, and balanced for smoothness. That’s what keeps your powertrain quiet and your prop turning with confidence. When you install OEM, you’re not just replacing a part — you’re restoring performance.\u003c\/p\u003e\n\u003chr data-start=\"3023\" data-end=\"3026\"\u003e\n\u003ch3 data-start=\"3028\" data-end=\"3041\"\u003e\u003cstrong data-start=\"3032\" data-end=\"3039\"\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"3043\" data-end=\"3165\"\u003e\u003cstrong data-start=\"3043\" data-end=\"3089\"\u003eQ1: What drives is this gear set made for?\u003c\/strong\u003e\u003cbr data-start=\"3089\" data-end=\"3092\"\u003eIt’s designed for \u003cstrong data-start=\"3110\" data-end=\"3150\"\u003eMerCruiser Bravo One and Bravo One X\u003c\/strong\u003e sterndrives.\u003c\/p\u003e\n\u003cp data-start=\"3167\" data-end=\"3290\"\u003e\u003cstrong data-start=\"3167\" data-end=\"3199\"\u003eQ2: What comes with the kit?\u003c\/strong\u003e\u003cbr data-start=\"3199\" data-end=\"3202\"\u003eIt includes the \u003cstrong data-start=\"3218\" data-end=\"3250\"\u003eforward gear and pinion gear\u003c\/strong\u003e, both built to Mercury OEM standards.\u003c\/p\u003e\n\u003cp data-start=\"3292\" data-end=\"3478\"\u003e\u003cstrong data-start=\"3292\" data-end=\"3338\"\u003eQ3: Why choose OEM instead of aftermarket?\u003c\/strong\u003e\u003cbr data-start=\"3338\" data-end=\"3341\"\u003eOnly Mercury gears are cut, hardened, and balanced to match the original design — aftermarket options often run noisy or wear out fast.\u003c\/p\u003e\n\u003cp data-start=\"3480\" data-end=\"3625\"\u003e\u003cstrong data-start=\"3480\" data-end=\"3521\"\u003eQ4: Will it hold up in saltwater use?\u003c\/strong\u003e\u003cbr data-start=\"3521\" data-end=\"3524\"\u003eYes. The hardened finish and marine-grade steel resist rust and corrosion when properly lubricated.\u003c\/p\u003e\n\u003cp data-start=\"3627\" data-end=\"3807\"\u003e\u003cstrong data-start=\"3627\" data-end=\"3682\"\u003eQ5: What benefits will I notice after installation?\u003c\/strong\u003e\u003cbr data-start=\"3682\" data-end=\"3685\"\u003eYou’ll get quieter shifting, smoother engagement, and more efficient power transfer — it’ll feel like a brand-new drive.\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46940213477667,"sku":"43-14063A1","price":841.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/14063A1_Main.jpg?v=1760631145"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-dual-water-pickup-fits-bravo-iii-1656-8m0046683","title":"Mercury Mercruiser - Bravo Three Gear Housing - Dual Water Pickup - Fits Bravo III - 1656-8M0046683","description":"\u003cp\u003eDual water pickup\u003c\/p\u003e\n\u003cp\u003eFits Bravo III (s\/n 0D784124 and up)\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251240227,"sku":"1656-8M0046683","price":3559.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046683.png?v=1698817135"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-seacore-1-36-1-50-ratio-fits-bravo-iii-x-1656-8866j08","title":"Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.36 \u0026 1.50 Ratio - Fits Bravo III X - 1656-8866J08","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003e1.36 \u0026amp; 1.50 ratio\u003c\/p\u003e\n\u003cp\u003eFits Bravo III X\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251305763,"sku":"1656-8866J08","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046733_5.jpg?v=1698817136"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-seacore-2-43-ratio-fits-bravo-iii-1656-8866j25","title":"Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 2.43 Ratio - Fits Bravo III - 1656-8866J25","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003e2.43 ratio\u003c\/p\u003e\n\u003cp\u003eFits Bravo III\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251371299,"sku":"1656-8866J25","price":6893.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046733_9.jpg?v=1698817136"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-seacore-1-81-ratio-fits-bravo-iii-xr-aeu-1-81-ratio-1656-8866j07","title":"Mercury – Complete Gearcase | SeaCore Bravo Three XR Series | Hard-Coat Anodized Alloy | 8866J07","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Complete Gearcase | SeaCore Bravo Three XR Series | Hard-Coat Anodized Alloy | 8866J07\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a certain calm that settles in when your boat responds exactly the way you expect — that smooth lift onto plane, the quiet push as the props bite, the confidence that your sterndrive is doing its job without complaint. When you spend your weekends chasing horizon lines or weaving through tight channels, you come to rely on the parts beneath the surface more than anything else. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8866J07 Complete Gearcase\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for boaters who depend on that reliability. It brings back the steady, trustworthy feel you expect from a Bravo Three XR SeaCore system, especially when saltwater and long days start to test everything on board.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete gearcase for MerCruiser SeaCore Bravo Three XR sterndrives with 1.81 gear ratio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eSeaCore hard-coat anodized housing \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ebuilt\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for maximum corrosion resistance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eTri-Paint protective system adds a multilayer barrier against harsh marine conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eXK360 low-copper alloy helps combat long-term corrosion in saltwater environments\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty forged gears and reinforced U-joint \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eengineered\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for strength and longevity\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser SeaCore Bravo Three XR sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned for systems using the 1.81 gear ratio\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for performance cruisers, offshore pleasure boats, sport boats, and premium twin-engine setups\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for boaters who regularly navigate saltwater, brackish inlets, or high-demand coastal conditions\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e What you feel when you run a boat powered by a Bravo Three XR system is a blend of smooth control and solid thrust — and that starts inside the gearcase. The 8866J07 delivers a steady, balanced transfer of power, letting your counter-rotating props grip cleanly and push the hull with confidence. Shifts feel crisp. Handling stays tight. And even when you’re maneuvering in a crowded marina or easing into a narrow cove, the response is predictable and smooth.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSaltwater is unforgiving, and that’s where the SeaCore protection earns its keep. The hard-coat anodizing, the Tri-Paint system, and the specialized low-copper alloy all work together to keep corrosion at bay. Instead of worrying about pitting or hidden wear, you get to focus on the ride. Heavy-duty forged gears bring a level of durability you can feel — especially under load, during sharp turns, or when you open the throttle in choppy water. Installation is clean and straightforward, and once it’s in place, the gearcase settles into its job with a quiet, dependable steadiness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A gearcase isn’t a part you want to guess on. When you choose a \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egenuine Mercury Marine part\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e, you’re \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003echoosing\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e components designed specifically for your sterndrive’s architecture. Everything lines up the way it should — the mating surfaces, the internal gear geometry, the protective coatings — all engineered to work as a system. Aftermarket assemblies may be cheaper upfront, but they rarely match the fit, balance, or long-term durability Mercury builds into every SeaCore component. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIf you want performance without compromise and a drive that lasts season \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eafter\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e season, OEM is \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esimply\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the practical choice.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does the Complete Gearcase 8866J07 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser SeaCore Bravo Three XR sterndrives equipped with the 1.81 gear ratio.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this better than aftermarket gearcases?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The engineering and the corrosion protection. Mercury’s hard-coat anodizing, Tri-Paint finish, and forged gears deliver durability \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eaftermarket\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e versions can’t match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check that your drive is a Bravo Three XR SeaCore model and confirm your gear ratio is 1.81. If both match, this part number is typically the correct fit.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e. It’s built specifically for harsh saltwater conditions, so freshwater operation is easily within its range.\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 Yes. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFor experienced boat owners or marine technicians, installation follows standard Bravo Three XR replacement procedures \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewith\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e reliable \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003efitmen\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003et\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251502371,"sku":"1656-8866J07","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8866J07_Main.jpg?v=1760631269"},{"product_id":"mercury-mercruiser-aeu-bravo-one-gear-housing-seacore-with-dual-water-pickup-fits-bravo-i-i-x-1656-8866j00","title":"Mercury Mercruiser - Bravo One Gear Housing - SeaCore - With Dual Water Pickup - Fits Bravo I \u0026 I X - 1656-8866J00","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003eWith dual water pickup\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBravo I\u003c\/li\u003e\n\u003cli\u003eBravo I X\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251535139,"sku":"1656-8866J00","price":3096.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8866a64_1.jpg?v=1698817137"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-seacore-with-dual-water-pickup-fits-bravo-iii-1656-8866j30","title":"Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - With Dual Water Pickup - Fits Bravo III - 1656-8866J30","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003eWith dual water pickup\u003c\/p\u003e\n\u003cp\u003eFits Bravo III\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251567907,"sku":"1656-8866J30","price":3691.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046683_1.png?v=1698817137"},{"product_id":"mercury-mercruiser-aeu-bravo-three-gear-housing-seacore-1-65-ratio-fits-bravo-iii-iii-x-1656-8866j24","title":"Mercury Mercruiser - Bravo Three Gear Housing - SeaCore - 1.65 Ratio - Fits Bravo III \u0026 III X - 1656-8866J24","description":"\u003cp\u003eSeaCore\u003c\/p\u003e\n\u003cp\u003e1.65 ratio\u003c\/p\u003e\n\u003cp\u003eFits:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBravo III\u003c\/li\u003e\n\u003cli\u003eBravo III X\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941251698979,"sku":"1656-8866J24","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/8m0046733_6.jpg?v=1698817138"},{"product_id":"mercury-mercruiser-aeu-bravo-one-gear-housing-with-dual-water-pickup-1-36-1-50-1-65-ratio-fits-bravo-i-i-x-drives-1656-8866a63","title":"Mercury – Complete Gearcase | Bravo One \/ One X Series | Corrosion-Resistant Alloy | 8866A63","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Complete Gearcase | Bravo One \/ One X Series | Corrosion-Resistant Alloy | 8866A63\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e There’s a moment every boater knows — that quiet pause right before you throttle up, waiting for the boat to answer. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhen everything is working \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ethe way\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e it should, the response is instant: smooth lift, clean power, and a feeling that the whole boat \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis tuned\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to your touch.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e That kind of confidence starts deep inside the drive system. The \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury Marine part number 8866A63 Complete Gearcase\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis built\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e for boaters who count on that feeling every time they leave the dock. Whether you’re carving through open water or easing into a slip at sunset, this gearcase \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eis designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to keep your Bravo One or One X running exactly the way it \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ewas meant\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eKey Features\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eComplete replacement gearcase for MerCruiser Bravo One (serial 0D649909 and up) and Bravo One X sterndrives\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCompatible with 1.36, 1.50, and 1.65 gear ratios\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurable Tri-Paint protective system for long-term corrosion resistance\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eXK360 low-copper alloy engineered to resist pitting and wear\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eHeavy-duty forged gears and reinforced U-joint for reliable, long-term service\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to meet OEM specifications for precise fit and smooth performance\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits MerCruiser Bravo One sterndrives (serial number 0D649909 and newer)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFits Bravo One X sterndrives using 1.36, 1.50, and 1.65 gear ratios\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for performance boats, offshore cruisers, bowriders, sport runabouts, and high-horsepower recreational vessels\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks for both single-engine and twin-engine applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e A worn gearcase has a way of revealing itself — sloppy shifts, sluggish holeshot, and a subtle vibration that takes the fun out of an otherwise perfect day. Replacing it with the 8866A63 brings everything back into alignment. Shifts become crisp and confident, acceleration feels smooth and connected, and the boat responds to the helm with that steady, predictable feel you expect from a Bravo drive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDurability is where this gearcase really shines. The forged gears \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eare designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to handle the stress of high-output engines, while the low-copper alloy and multi-layer Tri-Paint system protect the housing from saltwater corrosion and years of heavy use. It’s the kind of design that lets you push the boat when you want to and relax when you need to — without worrying about what’s happening under the surface. Installation is clean and straightforward, and once mounted, the gearcase settles into its role with quiet, dependable strength.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhy Buy OEM\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e When you’re talking about a major drivetrain component, there’s no room for guessing. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eA \u003c\/span\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003egenuine Mercury Marine part\u003c\/span\u003e\u003c\/strong\u003e\u003cspan data-preserver-spaces=\"true\"\u003e gives you the precision and reliability that aftermarket assemblies \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003ejust\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e can’t match.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEvery surface, every internal angle, every coating thickness is engineered \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003earound\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e the exact demands of a Bravo One or One X system.\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Aftermarket versions may look similar, but they rarely offer the same corrosion protection or long-term gear strength. Choosing OEM means your boat runs the way the designers intended — tight, smooth, and ready for long days on the water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eFAQ\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ1: Which systems does the Complete Gearcase 8866A63 fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It fits MerCruiser Bravo One sterndrives (serial 0D649909 and up) and Bravo One X drives using 1.36, 1.50, or 1.65 gear ratios.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ2: What makes this better than aftermarket gearcases?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e The materials and engineering. Mercury’s forged gears, corrosion-resistant alloy, and Tri-Paint coating deliver durability \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eaftermarket\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e options usually can’t match.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Check your sterndrive model and gear ratio. If you have a Bravo One (0D649909 or newer) or a Bravo One X, this part number typically fits.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Absolutely. \u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIt’s designed\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003e to endure harsh saltwater conditions, so freshwater performance is no issue at all.\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 Yes. As a complete assembly, installation follows standard Bravo One procedures and fits cleanly when paired with the correct drive series.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46941252059427,"sku":"1656-8866A63","price":6372.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/Gearcase_Bravo_I_Main.jpg?v=1760631271"},{"product_id":"mercury-mercruiser-aeu-bravo-one-gear-housing-with-heavy-duty-propshaft-and-dual-water-pickup-fits-bravo-i-xr-xz-1656-8866a62","title":"Mercury – Complete Gearcase | Bravo One XR \/ One XZ Series | Corrosion-Resistant Alloy | 8866A62","description":"\u003cp data-start=\"0\" data-end=\"112\"\u003e\u003cstrong data-start=\"0\" data-end=\"112\"\u003eMercury – Complete Gearcase | Bravo One XR \/ One XZ Series | Corrosion-Resistant Alloy | 8866A62\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"116\" data-end=\"704\"\u003e\u003cstrong data-start=\"116\" data-end=\"128\"\u003eOverview\u003c\/strong\u003e\u003cbr data-start=\"128\" data-end=\"132\"\u003eThere’s something reassuring about a boat that responds instantly when you nudge the throttle. No drag, no hesitation — just a clean push as the hull settles into its groove. When you depend on that kind of feel, especially at higher speeds or in rougher conditions, the gearcase becomes the heart of your sterndrive system. The \u003cstrong data-start=\"461\" data-end=\"517\"\u003eMercury Marine part number 8866A62 Complete Gearcase\u003c\/strong\u003e restores that confidence. It’s built for boaters who expect their Bravo One XR or One XZ setup to run hard, run clean, and stay dependable no matter how many hours they put on the water.\u003c\/p\u003e\n\u003cp data-start=\"708\" data-end=\"726\"\u003e\u003cstrong data-start=\"708\" data-end=\"724\"\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"728\" data-end=\"1144\"\u003e\n\u003cli data-start=\"728\" data-end=\"852\"\u003e\n\u003cp data-start=\"730\" data-end=\"852\"\u003eComplete replacement gearcase for MerCruiser Bravo One XR (1.50 gear ratio) and Bravo One XZ (1.36 and 1.50 gear ratios)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"854\" data-end=\"933\"\u003e\n\u003cp data-start=\"856\" data-end=\"933\"\u003eTri-Paint corrosion-resistant finish designed for harsh marine environments\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"935\" data-end=\"1002\"\u003e\n\u003cp data-start=\"937\" data-end=\"1002\"\u003eXK360 low-copper alloy engineered to combat long-term corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1004\" data-end=\"1081\"\u003e\n\u003cp data-start=\"1006\" data-end=\"1081\"\u003eHeavy-duty forged gears and reinforced U-joint for exceptional durability\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1083\" data-end=\"1144\"\u003e\n\u003cp data-start=\"1085\" data-end=\"1144\"\u003eDesigned to match OEM tolerances for a clean, precise fit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1148\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1148\" data-end=\"1179\"\u003eEngine \u0026amp; Boat Compatibility\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1183\" data-end=\"1531\"\u003e\n\u003cli data-start=\"1183\" data-end=\"1256\"\u003e\n\u003cp data-start=\"1185\" data-end=\"1256\"\u003eCompatible with MerCruiser Bravo One XR sterndrives (1.50 gear ratio)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1258\" data-end=\"1341\"\u003e\n\u003cp data-start=\"1260\" data-end=\"1341\"\u003eCompatible with MerCruiser Bravo One XZ sterndrives (1.36 and 1.50 gear ratios)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1343\" data-end=\"1456\"\u003e\n\u003cp data-start=\"1345\" data-end=\"1456\"\u003eIdeal for performance boats, speed-focused sport hulls, high-output recreational boats, and offshore cruisers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1458\" data-end=\"1531\"\u003e\n\u003cp data-start=\"1460\" data-end=\"1531\"\u003eWorks in both single-engine and twin-engine sterndrive configurations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1535\" data-end=\"2097\"\u003e\u003cstrong data-start=\"1535\" data-end=\"1571\"\u003ePerformance \u0026amp; Practical Benefits\u003c\/strong\u003e\u003cbr data-start=\"1571\" data-end=\"1575\"\u003eIf you’ve ever felt a slipping shift or a sluggish response from a worn gearcase, you know how much it can change the personality of the boat. With the 8866A62 installed, everything feels tight again — the kind of tight that gives you confidence to lean into the throttle without second-guessing what’s happening below the transom. Acceleration becomes cleaner. Handling feels truer. Even simple maneuvering around the dock gains a level of smoothness that reminds you why Mercury’s engineering has such a loyal following.\u003c\/p\u003e\n\u003cp data-start=\"2101\" data-end=\"2680\"\u003eDurability is where this gearcase really earns its place. The forged gears are built to take the punishment that high-performance boats deliver, while the corrosion-resistant coatings and low-copper alloy work together to shield the housing from what saltwater tries to do over time. It’s built to survive hard weekends, long runs, and constant exposure without losing its steady, reliable feel. Installation is straightforward for a complete unit like this, and once it’s mounted, you can almost feel your boat breathe easier — ready to get back to the water without hesitation.\u003c\/p\u003e\n\u003cp data-start=\"2684\" data-end=\"3335\"\u003e\u003cstrong data-start=\"2684\" data-end=\"2699\"\u003eWhy Buy OEM\u003c\/strong\u003e\u003cbr data-start=\"2699\" data-end=\"2703\"\u003eA gearcase isn’t the spot to cut corners. When you choose a \u003cstrong data-start=\"2763\" data-end=\"2794\"\u003egenuine Mercury Marine part\u003c\/strong\u003e, you’re choosing precision engineering that matches your sterndrive exactly as it was designed. Everything aligns the way it should — from the internal gear geometry to the exterior coating thickness. Aftermarket versions might promise savings, but they rarely offer the same strength, corrosion resistance, or long-term smoothness. With OEM, you know the part is built to fit right, perform right, and last. If you want fewer surprises and more reliable hours on the water, OEM is the practical choice every seasoned boater will recommend.\u003c\/p\u003e\n\u003cp data-start=\"3339\" data-end=\"3539\"\u003e\u003cstrong data-start=\"3339\" data-end=\"3346\"\u003eFAQ\u003c\/strong\u003e\u003cbr data-start=\"3346\" data-end=\"3350\"\u003e\u003cstrong data-start=\"3350\" data-end=\"3411\"\u003eQ1: Which systems does the Complete Gearcase 8866A62 fit?\u003c\/strong\u003e\u003cbr data-start=\"3411\" data-end=\"3415\"\u003eIt fits MerCruiser Bravo One XR drives with a 1.50 gear ratio and Bravo One XZ drives with either a 1.36 or 1.50 gear ratio.\u003c\/p\u003e\n\u003cp data-start=\"3543\" data-end=\"3758\"\u003e\u003cstrong data-start=\"3543\" data-end=\"3601\"\u003eQ2: What makes this better than aftermarket gearcases?\u003c\/strong\u003e\u003cbr data-start=\"3601\" data-end=\"3605\"\u003eThe materials and engineering. Mercury’s forged gears, Tri-Paint finish, and corrosion-resistant alloy deliver durability aftermarket units rarely match.\u003c\/p\u003e\n\u003cp data-start=\"3762\" data-end=\"3952\"\u003e\u003cstrong data-start=\"3762\" data-end=\"3819\"\u003eQ3: How do I know if this is the correct replacement?\u003c\/strong\u003e\u003cbr data-start=\"3819\" data-end=\"3823\"\u003eConfirm your sterndrive model (Bravo One XR or XZ) and gear ratio. If those align, this part number is typically the correct fit.\u003c\/p\u003e\n\u003cp data-start=\"3956\" data-end=\"4125\"\u003e\u003cstrong data-start=\"3956\" data-end=\"4012\"\u003eQ4: Can it be used in both saltwater and freshwater?\u003c\/strong\u003e\u003cbr data-start=\"4012\" data-end=\"4016\"\u003eDefinitely. It’s designed for harsh saltwater conditions, so freshwater performance is well within its range.\u003c\/p\u003e\n\u003cp data-start=\"4129\" data-end=\"4310\"\u003e\u003cstrong data-start=\"4129\" data-end=\"4169\"\u003eQ5: Is installation straightforward?\u003c\/strong\u003e\u003cbr data-start=\"4169\" data-end=\"4173\"\u003eYes. 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