{"product_id":"420950772-head-gasket-for-sea-doo-challenger-se-255-1503-2009-2011","title":"420950772 Head Gasket for Sea-Doo Challenger SE 255 1503 2009-2011","description":"\u003ch2\u003eHead Gasket for Sea-Doo Challenger SE 255 1503\u003c\/h2\u003e\u003cp\u003eThis head gasket is a replacement sealing component designed to sit between the cylinder head and engine block on the 1503 engine, carrying OEM cross-reference 420950772.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis head gasket is built to seal the combustion chamber and coolant passages on the 1503 engine found in the Challenger SE 255. It helps maintain proper compression and prevents coolant or combustion gases from crossing between mating surfaces. A smart choice for riders and marine mechanics handling top-end service on this supercharged powerplant.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-cut to match the 1503 cylinder head and block mating surfaces\u003c\/li\u003e\n\u003cli\u003eConstructed from gasket material rated for high-compression marine engine use\u003c\/li\u003e\n\u003cli\u003eSeals combustion, oil, and coolant passages in one component\u003c\/li\u003e\n\u003cli\u003eDirect replacement referencing OEM part 420950772\u003c\/li\u003e\n\u003cli\u003eDesigned for a clean, even torque-down during reassembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo Challenger SE 255 with 1503 engine, 2009-2011\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds and cylinder head removal jobs\u003c\/li\u003e\n\u003cli\u003eCoolant leak repair at the head-to-block joint\u003c\/li\u003e\n\u003cli\u003eCompression loss diagnosis and repair\u003c\/li\u003e\n\u003cli\u003eRoutine engine refresh on high-hour machines\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\u003e420950772\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylinder head to block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHead gasket\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 Should I replace head bolts at the same time? \u003cstrong\u003eA:\u003c\/strong\u003e Many manufacturers recommend new torque-to-yield head bolts on reassembly, so check your service manual before reusing originals.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to resurface the head before installing this gasket? \u003cstrong\u003eA:\u003c\/strong\u003e If the head or block shows warping or pitting, machining may be required so the gasket can seal properly.\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":51114742087766,"sku":"OO1C20736","price":180.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_d049926f-fccc-4211-883b-22f9f9839959.jpg?v=1794481523","url":"https:\/\/www.solidspare.com\/products\/420950772-head-gasket-for-sea-doo-challenger-se-255-1503-2009-2011","provider":"Solid Spare","version":"1.0","type":"link"}