{"product_id":"mercury-mercruiser-bearing-assembly-35988a3","title":"Mercury MerCruiser Bearing Assembly 35988A3","description":"\u003cp\u003eThe \u003cstrong\u003eMercury MerCruiser Quicksilver 35988A3 Bearing Assembly\u003c\/strong\u003e is a tapered roller bearing set used in select MerCruiser sterndrive gear housing applications. It is associated with older \u003cstrong\u003eR, MR, MC-I, Alpha One, Alpha One SS, and SSM-series\u003c\/strong\u003e outdrives, with fitment tied closely to drive model and gear ratio.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Mercury Marine \/ Quicksilver bearing assembly\u003c\/li\u003e\n\u003cli\u003ePart number: \u003cstrong\u003e35988A3\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eType: \u003cstrong\u003etapered roller bearing set\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUPC \/ GTIN: \u003cstrong\u003e745061138803\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eApproximate weight: \u003cstrong\u003e3.60 lb\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eUsed in select MerCruiser sterndrive gear housing \/ bearing service applications\u003c\/li\u003e\n\u003cli\u003eGear-ratio-specific fitment on many older drive families\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eProduct Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eSupported fitment includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMerCruiser R, MR, MC-I, and Alpha One\u003c\/strong\u003e outdrives with \u003cstrong\u003e1.32 gear ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVintage 225-S 1974\u003c\/strong\u003e outdrive with \u003cstrong\u003e1.32 ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVintage 233 1975–1977\u003c\/strong\u003e outdrives with \u003cstrong\u003e1.32 ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1977 898\u003c\/strong\u003e with \u003cstrong\u003e1.50 ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1977 1228\u003c\/strong\u003e with \u003cstrong\u003e1.50 ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1977 1250\u003c\/strong\u003e with \u003cstrong\u003e1.32 ratio\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAlpha One SS 1986–1989\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSSM II, III, IV, and V high-performance models 1982–1995\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eConfirm fitment using the exact MerCruiser drive model, serial number, gear ratio, and gear housing diagram before ordering. This bearing assembly is not a universal Alpha bearing; several applications depend specifically on the \u003cstrong\u003e1.32\u003c\/strong\u003e or \u003cstrong\u003e1.50\u003c\/strong\u003e ratio configuration.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this bearing assembly during gear housing rebuilds, bearing noise diagnosis, gearset service, water intrusion repair, or whenever the existing tapered roller bearing shows pitting, scoring, heat discoloration, looseness, roughness, or contamination.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBearing setup should be performed according to the MerCruiser service manual. Tapered roller bearing service often requires correct shim selection, preload\/backlash checks, and inspection of the related gear, race, carrier, and housing surfaces before final assembly.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003e35988A3\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eUPC \/ GTIN: \u003cstrong\u003e745061138803\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe key detail with \u003cstrong\u003e35988A3\u003c\/strong\u003e is the gear-ratio dependency. It may appear across several older MerCruiser drive families, but the safe match is the exact drive model plus ratio, not just the name “Alpha One” or “bearing assembly.”\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563855282212,"sku":"35988A3","price":440.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/31-35988A3.png?v=1772767414","url":"https:\/\/marisolmarine.com\/products\/mercury-mercruiser-bearing-assembly-35988a3","provider":"Marisol Marine Company","version":"1.0","type":"link"}