{"product_id":"420256606-valve-seat-sleeve-for-sea-doo-challenger-se-2-x-155-1503-2012","title":"420256606 Valve Seat Sleeve for Sea-Doo Challenger SE 2 x 155 1503 2012","description":"\u003ch2\u003eValve Seat Sleeve for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis valve seat sleeve is a replacement engine component for Sea-Doo 1503 engines, built to OEM reference 420256606 and sized to press into the cylinder head to give the valve a stable, correctly positioned seat.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThe valve seat sleeve for Sea-Doo 1503 engines restores the seating surface that keeps valves aligned and sealing properly in the head. It is a direct-fit replacement for the original sleeve, referenced as 420256606, and suits rebuilds of 155 horsepower 1503 powerplants. Choose this valve seat sleeve for Sea-Doo watercraft engine work when the head is apart and worn seats need replacing.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eMachined to OEM reference 420256606 for correct press-fit dimensions\u003c\/li\u003e\n\u003cli\u003eHeat-resistant alloy construction suited to continuous cylinder head temperatures\u003c\/li\u003e\n\u003cli\u003ePrecision inner bore supports proper valve sealing and alignment\u003c\/li\u003e\n\u003cli\u003eDesigned for 1503 engine cylinder heads in 155 horsepower marine applications\u003c\/li\u003e\n\u003cli\u003eSold individually so you can order the exact quantity your rebuild needs\u003c\/li\u003e\n\u003cli\u003eStable seat surface helps maintain consistent compression\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo Challenger 2 x 155 models with the 1503 engine\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo Challenger SE 2 x 155 models with the 1503 engine\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo 1503 155 horsepower engines from the 2012 model year\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCylinder head rebuilds and valve jobs on 1503 marine engines\u003c\/li\u003e\n\u003cli\u003eRepair work after valve seat wear, recession, or damage is found\u003c\/li\u003e\n\u003cli\u003eShop and DIY engine service on Sea-Doo Challenger and Challenger SE craft\u003c\/li\u003e\n\u003cli\u003eTop-end refreshes where the head is removed for inspection\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\u003eComponent Type\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\u003eEngine Family\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1503\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e155 horsepower\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\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSold individually\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 How many valve seat sleeves does one engine need? \u003cstrong\u003eA:\u003c\/strong\u003e The 1503 cylinder head uses multiple seats, so order the number of sleeves your specific head requires. Count the worn or damaged positions before placing your order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this sleeve need machining after installation? \u003cstrong\u003eA:\u003c\/strong\u003e Seat sleeves are typically installed with a press and then cut or lapped so the valve seals correctly. Have the head measured and finished by a machine shop for the best results.\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":51063128358998,"sku":"OO1C06851","price":36.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_f0b91b36-b87d-4171-b4ef-a89485f6d9eb.jpg?v=1794393897","url":"https:\/\/www.solidspare.com\/products\/420256606-valve-seat-sleeve-for-sea-doo-challenger-se-2-x-155-1503-2012","provider":"Solid Spare","version":"1.0","type":"link"}