{"product_id":"420256606-valve-seat-sleeve-for-sea-doo-rxp-s-c-1503-2004","title":"420256606 Valve Seat Sleeve for Sea-Doo RXP S\/C 1503 2004","description":"\u003ch2\u003eValve Seat Sleeve for Sea-Doo RXP S\/C 1503\u003c\/h2\u003e\u003cp\u003eThis valve seat sleeve is a replacement engine component designed to fit into the cylinder head of your Rotax 1503 engine, restoring a proper sealing surface for the valves and helping maintain compression. It cross-references OEM part number 420256606.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis valve seat sleeve serves as a durable insert for the cylinder head of the 1503 engine used in the supercharged Sea-Doo RXP platform. It provides a fresh seating surface for the valve, helping restore proper sealing and compression in a rebuilt head. This valve seat sleeve is intended for riders and mechanics performing top-end engine service.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined to match the OEM 420256606 seat dimensions\u003c\/li\u003e\n\u003cli\u003eConstructed for reliable valve sealing under high-RPM operation\u003c\/li\u003e\n\u003cli\u003eDesigned for the Rotax 1503 four-stroke engine family\u003c\/li\u003e\n\u003cli\u003eHelps restore compression after a valve job or head rebuild\u003c\/li\u003e\n\u003cli\u003eDirect replacement for the factory seat sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo RXP S\/C 1503, 2004\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder head rebuilds on the 1503 engine\u003c\/li\u003e\n\u003cli\u003eValve job service and head reconditioning\u003c\/li\u003e\n\u003cli\u003eTop-end repairs after valve seat wear or damage\u003c\/li\u003e\n\u003cli\u003eSupercharged RXP platform engine service\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\u003e420256606\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRotax 1503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eValve Seat Sleeve\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\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 No, this is an aftermarket replacement valve seat sleeve made to cross-reference OEM 420256606. It is designed for the Sea-Doo RXP S\/C 1503 platform.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many should I order for a full head rebuild? \u003cstrong\u003eA:\u003c\/strong\u003e Order the quantity that matches the number of seats you are replacing in your cylinder head. Check your service manual for the exact count on your 1503 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":51063108370518,"sku":"OO1C06725","price":36.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_0bc657c7-9cec-4585-bc91-1cbcdce0e552.jpg?v=1794318138","url":"https:\/\/www.solidspare.com\/products\/420256606-valve-seat-sleeve-for-sea-doo-rxp-s-c-1503-2004","provider":"Solid Spare","version":"1.0","type":"link"}