{"product_id":"mercury-mercruiser-lower-driveshaft-bearing-fits-bravo-i-ii-iii-x-xr-xz-31-86754t","title":"Mercury – Marine Bearing | Drivetrain Support | Grease-Packed Steel | 86754T","description":"\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eMercury – Marine Bearing | Drivetrain Support | Grease-Packed Steel | 86754T\u003c\/span\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cspan data-preserver-spaces=\"true\"\u003eOverview\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eThere are parts on a boat you never think about until they start to fail — and a bearing is definitely one of them. When a bearing wears out, you feel it long before you see it. The vibration, the uneven load, that faint grinding sound that tells you something’s not quite right. The Quicksilver 86754T Bearing is one of those quiet little upgrades that instantly restores smooth operation and keeps your system running the way it should. It’s built for the kind of real marine conditions that don’t show up on a spec sheet — long days on the water, constant load changes, salt-heavy air, and all the bumps and jolts a boat endures. In\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003estalling a new OEM bearing feels like tightening up the whole drivetrain, giving you that reassuring sense that everything’s running steady and true again.\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\"\u003ePrecision marine-grade bearing for long-lasting durability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003ePre-packed with grease for proper roller retention and protection\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eDesigned to reduce friction and stabilize rotating components\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan data-preserver-spaces=\"true\"\u003eRe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003esistant to water intrusion and marine corrosion\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eEngineered to Mercury Marine OEM specifications for perfect fitment\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\u003cul\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eSuitable for a range of Mercury and MerCruiser driveline applications\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eCommonly used in sterndrive assemblies, gear housings, and engine-driven accessories\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWorks with both freshwater and saltwater boats\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan data-preserver-spaces=\"true\"\u003eIdeal for runabouts, cruisers, tow boats, fishing rigs, and performance sterndrives\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\"\u003eYou’ll notice the difference a good bearing makes the moment you spin the assembly — smooth instead of gritty, controlled instead of shaky. This Quicksilver bearing is built specifically for marine use, which means it handles moisture, heat cycles, and heavy loads without breaking down. The pre-packed grease is a big deal too; it helps retain lubrication during long hours of operation and protects the rollers from corrosive water vapor that tends to sneak into marine components.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eWhe\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003en installed, the bearing stabilizes the shaft or rotating body it supports, reducing vibration and creating a tighter, more predictable feel throughout the drivetrain. That steadiness shows up everywhere: smoother shifting, quieter running, and more controlled power transfer. It’\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003es the kind of improvement you don’t always notice right away, but it pays off every single time you throttle up or drop into gear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003eBecause it’s built to Mercury Marine specifications, fitment is spot-on. You won’t struggle to seat it, fight tolerances, or work around sloppy machining — it simply installs the way it’s supposed to. And that matters, because a bearing that isn’t perfectly aligned won’t last.\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\"\u003eBearings are not the place to take chances. Aftermarket versions often use lower-grade steel or inconsistent tolerances, which can lead to premature wear — and that means bigger, more expensive repairs down the line. OEM b\u003c\/span\u003e\u003cspan data-preserver-spaces=\"true\"\u003eearings from Quicksilver are engineered specifically for marine operating loads, temperature swings, and exposure to humidity. When you choose OEM, you’re investing in longevity, smooth operation, and peace of mind.\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: What does this bearing fit?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e It supports various Mercury and MerCruiser drivetrain components depending on the model.\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\"\u003eWhat makes this better than an aftermarket bearing?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Higher-grade steel, precise tolerances, and proper marine-spec grease packing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ3: How do I confirm fitment?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Match your engine or sterndrive’s parts diagram to Mercury Marine part number 86754T.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ4: Is it suitable for saltwater use?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes — it’s designed to resist corrosion and hold lubrication under moisture exposure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan data-preserver-spaces=\"true\"\u003eQ5: Is installation simple?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan data-preserver-spaces=\"true\"\u003e Yes, with appropriate pullers\/press tools. Most mechanically inclined boat owners can replace it.\u003c\/span\u003e\u003c\/p\u003e","brand":"Mercury","offers":[{"title":"Default Title","offer_id":46932450312483,"sku":"31-86754T","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/7410\/9475\/files\/86754t.jpg?v=1698779633","url":"https:\/\/partsvu.com\/en-ca\/products\/mercury-mercruiser-lower-driveshaft-bearing-fits-bravo-i-ii-iii-x-xr-xz-31-86754t","provider":"PartsVu","version":"1.0","type":"link"}