{"product_id":"420950772-head-gasket-for-sea-doo-gtx-155-1503-2008-2016","title":"420950772 Head Gasket for Sea-Doo GTX 155 1503 2008-2016","description":"\u003ch2\u003eHead Gasket for Sea-Doo GTX 155 1503\u003c\/h2\u003e\u003cp\u003eThis head gasket is designed to seal the cylinder head to the engine block on the Sea-Doo GTX 155 1503 and is a direct replacement referencing OEM number 420950772.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis head gasket for Sea-Doo is a sealing component that sits between the cylinder head and engine block on the GTX 155 1503 platform. It maintains compression and keeps coolant and oil where they belong during operation. Built for riders and mechanics servicing 2008 through 2016 model years who need a reliable replacement head gasket.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision cut to match the 1503 engine head and cylinder mating surfaces\u003c\/li\u003e\n\u003cli\u003eConstructed from multi-layer steel for consistent sealing under heat and pressure\u003c\/li\u003e\n\u003cli\u003eWithstands the high compression and thermal cycling of the 1503 four-stroke engine\u003c\/li\u003e\n\u003cli\u003eHelps maintain proper compression for consistent power delivery\u003c\/li\u003e\n\u003cli\u003eDesigned to seal coolant and oil passages between head and block\u003c\/li\u003e\n\u003cli\u003eCross-references OEM part number 420950772\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo GTX 155 1503, 2008-2016\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds after removing the cylinder head\u003c\/li\u003e\n\u003cli\u003eReplacing a blown or leaking head gasket causing compression loss\u003c\/li\u003e\n\u003cli\u003eRoutine engine service on the 1503 four-stroke platform\u003c\/li\u003e\n\u003cli\u003eCoolant or oil leak repairs at the head-to-block joint\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 Platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHead Gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGTX 155\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel Years\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2008-2016\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 head bolts when installing this gasket? \u003cstrong\u003eA:\u003c\/strong\u003e Many manufacturers recommend new torque-to-yield head bolts for the 1503 engine, so check your service manual before reassembly. Reusing worn bolts can affect clamping force and sealing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What else should I inspect while the head is off? \u003cstrong\u003eA:\u003c\/strong\u003e Check the cylinder head and block surfaces for flatness, and inspect the head bolts and cooling passages for corrosion. Clean mating surfaces thoroughly before installing the new gasket.\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":51114649321558,"sku":"OO1C20678","price":180.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_50f5c6a4-1de1-4452-946a-02ab650639de.jpg?v=1794481487","url":"https:\/\/www.solidspare.com\/products\/420950772-head-gasket-for-sea-doo-gtx-155-1503-2008-2016","provider":"Solid Spare","version":"1.0","type":"link"}