{"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","url":"https:\/\/partsvu.com\/en-au\/products\/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","provider":"PartsVu","version":"1.0","type":"link"}