{"product_id":"1503-complete-crankshaft-assembly-for-sea-doo-challenger-s-2-x-155-2012","title":"1503 Complete Crankshaft Assembly for Sea-Doo Challenger S 2 x 155 2012","description":"\u003ch2\u003eComplete Crankshaft Assembly for Sea-Doo Challenger S 2 x 155 1503\u003c\/h2\u003e\u003cp\u003eThis complete crankshaft assembly is a direct-fit replacement for the Sea-Doo Challenger S 2 x 155 1503 engine, providing the core rotating assembly that turns piston power into the drive needed at the impeller.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis complete crankshaft assembly is manufactured for the Sea-Doo Challenger S 2 x 155 1503, matching the naturally aspirated 1503 4-TEC engine used in the 2012 model year. The crankshaft assembly carries the connecting rods and converts combustion into rotation, forming the backbone of the lower end. It is intended for rebuilders, marine shops, and owners doing a full bottom-end refresh.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eComplete assembly ships with the crankshaft and fitted components for a lower-end rebuild\u003c\/li\u003e\n\u003cli\u003eBalanced for smooth operation in the naturally aspirated 1503 4-TEC engine\u003c\/li\u003e\n\u003cli\u003eMachined journals sized for standard bearings in the 155 hp 1503 platform\u003c\/li\u003e\n\u003cli\u003eHardened steel construction built to handle sustained marine rpm\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement for the Sea-Doo Challenger S 2 x 155 crankshaft position\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo Challenger S 2 x 155, 2012\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eBottom-end rebuilds after bearing wear or crank damage on the 1503 4-TEC\u003c\/li\u003e\n\u003cli\u003eRestoring a Challenger S 2 x 155 that has lost compression from a worn crank\u003c\/li\u003e\n\u003cli\u003eMarine shop service on the 2012 naturally aspirated 1503 engine\u003c\/li\u003e\n\u003cli\u003eRefreshing the rotating assembly ahead of a new boating season\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 Number(s)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1503 4-TEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Year\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2012\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAssembly Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eComplete Crankshaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo Challenger S 2 x 155\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 Is this an original Sea-Doo part? \u003cstrong\u003eA:\u003c\/strong\u003e This is an aftermarket complete crankshaft assembly made to fit Sea-Doo Challenger S 2 x 155 1503 engines, not an original factory part. Confirm your engine code and model year before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Should I replace bearings with this crankshaft? \u003cstrong\u003eA:\u003c\/strong\u003e New bearings matched to the journal sizes are recommended during any bottom-end rebuild. Check clearances and verify free rotation before closing up the engine.\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":51062977757270,"sku":"OO1C05752","price":1383.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_20b504ad-4763-4222-b01b-651a3442c7d8.jpg?v=1794316500","url":"https:\/\/www.solidspare.com\/products\/1503-complete-crankshaft-assembly-for-sea-doo-challenger-s-2-x-155-2012","provider":"Solid Spare","version":"1.0","type":"link"}