{"product_id":"crankshaft-main-bearing-for-sea-doo-sport-21-300-1630-2026","title":"Crankshaft Main Bearing for Sea-Doo Sport 21-300 1630 2026","description":"\u003ch2\u003eCrankshaft Main Bearing for Sea-Doo Sport 21-300 1630\u003c\/h2\u003e\u003cp\u003eThis crankshaft main bearing is an internal engine component that supports crankshaft rotation and helps reduce friction in Sea-Doo Sport 21-300 1630 watercraft.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe crankshaft main bearing for Sea-Doo Sport 21-300 1630 is built to carry the crankshaft inside the crankcase of the 1630cc platform. It helps hold alignment and manage load as the engine spins. This bearing suits rebuilders and owners servicing a Sea-Doo Sport 21-300 machine.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined surfaces for consistent crankshaft support\u003c\/li\u003e\n\u003cli\u003eBuilt to endure sustained high-RPM marine use\u003c\/li\u003e\n\u003cli\u003eMaintains oil clearance for dependable lubrication\u003c\/li\u003e\n\u003cli\u003eSized to match the 1630cc engine platform\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo Sport 21-300 1630 (2026)\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilds on the 1630cc powerplant\u003c\/li\u003e\n\u003cli\u003eCrankshaft replacement or refresh work\u003c\/li\u003e\n\u003cli\u003eInternal inspection after high-hour operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCrankshaft Main Bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1630cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo Sport 21-300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlacement\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEngine crankcase, crankshaft support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch4\u003eGood To Know\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many bearings do I need for a full engine rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e The number of crankshaft main bearings needed varies with your 1630cc engine setup, so consult your service manual before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I replace main bearings when changing the crankshaft? \u003cstrong\u003eA:\u003c\/strong\u003e Replacing crankshaft main bearings during a crankshaft service is common practice, and installation should follow your service manual.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eSlight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.\u003c\/em\u003e\u003c\/p\u003e","brand":"Solid Spare","offers":[{"title":"Default Title","offer_id":51065780273238,"sku":"OO1C08531","price":35.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_f852f95e-6664-41ff-ba4d-f844d849b5a0.jpg?v=1794394787","url":"https:\/\/www.solidspare.com\/products\/crankshaft-main-bearing-for-sea-doo-sport-21-300-1630-2026","provider":"Solid Spare","version":"1.0","type":"link"}