{"product_id":"crankshaft-main-bearing-for-sea-doo-fish-18-170-1630-2025","title":"Crankshaft Main Bearing for Sea-Doo Fish 18-170 1630 2025","description":"\u003ch2\u003eCrankshaft Main Bearing for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis crankshaft main bearing supports the crankshaft in your Sea-Doo 1630 engine, keeping rotation smooth and stable so the 2025 Fish 18-170 can run at its best.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis crankshaft main bearing is a direct replacement component for the Sea-Doo 1630 engine, built to support the crankshaft and reduce friction during operation. It suits riders maintaining or rebuilding a 2025 Fish 18-170 who need a reliable bearing rather than a worn original. Installing a fresh crankshaft main bearing helps protect the crank from excess movement and premature wear.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDesigned to fit Sea-Doo 1630 engine applications\u003c\/li\u003e\n\u003cli\u003eSupports crankshaft alignment and smooth rotation\u003c\/li\u003e\n\u003cli\u003eReduces vibration and friction under load\u003c\/li\u003e\n\u003cli\u003eSold as an individual bearing for targeted replacement\u003c\/li\u003e\n\u003cli\u003eCompatible with 2025 Fish 18-170 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo Fish 18-170 1630, 2025\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilds and crankshaft replacement jobs\u003c\/li\u003e\n\u003cli\u003eRoutine bottom-end maintenance on 1630 engines\u003c\/li\u003e\n\u003cli\u003eRestoring a 2025 Fish 18-170 to running condition\u003c\/li\u003e\n\u003cli\u003eRepair work at home garages or professional shops\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo 1630 engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2025\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFish 18-170\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 Do I need to replace all main bearings at once? \u003cstrong\u003eA:\u003c\/strong\u003e Most rebuilders replace the full set while the crankcase is open, since matching wear patterns keep the crankshaft running true.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Is this an original Sea-Doo part? \u003cstrong\u003eA:\u003c\/strong\u003e No, this is an aftermarket crankshaft main bearing designed to fit Sea-Doo 1630 engines, not an original brand component.\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":51065860816982,"sku":"OO1C08652","price":35.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_6cea9e58-6ea9-41af-a136-4119005979c2.jpg?v=1794394864","url":"https:\/\/www.solidspare.com\/products\/crankshaft-main-bearing-for-sea-doo-fish-18-170-1630-2025","provider":"Solid Spare","version":"1.0","type":"link"}