{"product_id":"420254882-valve-guide-for-sea-doo-cruise-21-300-1630-2026","title":"420254882 Valve Guide for Sea-Doo Cruise 21-300 1630 2026","description":"\u003ch2\u003eIntake or Exhaust Valve Guide for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis intake or exhaust valve guide, part number 420254882, supports proper valve alignment and movement in the Sea-Doo 1630 engine used by the Cruise 21-300.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis intake or exhaust valve guide is a replacement component for the Sea-Doo 1630 engine found in the Cruise 21-300. It keeps valve stems aligned as they open and close, which helps maintain consistent compression and combustion. It suits riders and mechanics servicing a Sea-Doo Cruise 21-300 1630 who want a dependable valve guide for a rebuild or top-end repair.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined bore to guide valve stem travel\u003c\/li\u003e\n\u003cli\u003eConstruction suited to high-temperature cylinder head operation\u003c\/li\u003e\n\u003cli\u003eDirect replacement for OEM reference 420254882\u003c\/li\u003e\n\u003cli\u003eSupports correct valve seating and compression\u003c\/li\u003e\n\u003cli\u003eInstall-ready for cylinder head service work\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\u003cli\u003efor Sea-Doo Cruise 21-300 1630\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end engine rebuilds and valve jobs\u003c\/li\u003e\n\u003cli\u003eCylinder head servicing on the Sea-Doo 1630 engine\u003c\/li\u003e\n\u003cli\u003eRestoring proper valve alignment after wear\u003c\/li\u003e\n\u003cli\u003eRoutine maintenance for marine engines\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\u003e420254882\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntake or Exhaust Valve Guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo Cruise 21-300 1630\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 a replacement valve guide for Sea-Doo applications, not an original brand product, and it cross-references OEM number 420254882.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How many guides do I need for a full set? \u003cstrong\u003eA:\u003c\/strong\u003e Valve guides are typically replaced per valve, so order the quantity that matches the number of valves being serviced in your cylinder head.\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":51060217905238,"sku":"OO1C02419","price":57.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_a00fccfd-1e04-4018-ae11-07caec78d2f5.jpg?v=1794307150","url":"https:\/\/www.solidspare.com\/products\/420254882-valve-guide-for-sea-doo-cruise-21-300-1630-2026","provider":"Solid Spare","version":"1.0","type":"link"}