{"product_id":"420254882-intake-or-exhaust-valve-guide-for-sea-doo-gtx-s-c-1503-2003-2006","title":"420254882 Intake or Exhaust Valve Guide for Sea-Doo GTX S\/C 1503 2003-2006","description":"\u003ch2\u003eIntake or Exhaust Valve Guide for Sea-Doo\u003c\/h2\u003e\u003cp\u003eThis valve guide is a replacement engine component for Sea-Doo personal watercraft that keeps intake and exhaust valves aligned as they open and close. It serves as a direct replacement for OEM part number 420254882 and suits riders maintaining or rebuilding a 1503 engine.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis intake or exhaust valve guide for Sea-Doo is a precision-machined sleeve that mounts in the cylinder head and holds each valve on its correct axis. The valve guide for Sea-Doo 1503 engines reduces side-to-side movement, helping valves seat properly and combustion stay consistent. It fits riders replacing worn guides during a top-end rebuild or routine engine service.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined bore to hold intake and exhaust valves on-axis\u003c\/li\u003e\n\u003cli\u003eDirect cross-reference to OEM part number 420254882\u003c\/li\u003e\n\u003cli\u003eDesigned for the 1503 engine platform\u003c\/li\u003e\n\u003cli\u003eReduces valve stem play that causes poor sealing and compression loss\u003c\/li\u003e\n\u003cli\u003eSuitable for both intake and exhaust valve positions\u003c\/li\u003e\n\u003cli\u003eConstructed for the heat and load cycles of marine engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Sea-Doo GTX S\/C 1503 (2003-2006)\u003c\/li\u003e\n\u003cli\u003efor Sea-Doo models running the 1503 engine where OEM 420254882 applies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eTop-end rebuilds that replace worn or out-of-spec valve guides\u003c\/li\u003e\n\u003cli\u003eCylinder head service on 1503 engines\u003c\/li\u003e\n\u003cli\u003eRestoring proper valve seating and compression\u003c\/li\u003e\n\u003cli\u003eRoutine engine maintenance on Sea-Doo personal watercraft\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\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\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSea-Doo personal watercraft\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 Does this guide work for both intake and exhaust valves? \u003cstrong\u003eA:\u003c\/strong\u003e Yes, this guide is used in either the intake or exhaust position on the 1503 engine. Always confirm the correct quantity and placement against your service manual.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to machine the head after installing new valve guides? \u003cstrong\u003eA:\u003c\/strong\u003e New guides are typically installed with a press and then reamed or honed to final clearance. Valve seat work may also be required, so have a qualified machinist handle installation.\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":51060215152726,"sku":"OO1C02358","price":57.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_b2d59d03-671a-4018-9edf-df0e268c0149.jpg?v=1794307088","url":"https:\/\/www.solidspare.com\/products\/420254882-intake-or-exhaust-valve-guide-for-sea-doo-gtx-s-c-1503-2003-2006","provider":"Solid Spare","version":"1.0","type":"link"}