{"product_id":"new-lever-rocker-for-cummins-4003911-3064597-4003903","title":"New Lever Rocker for Cummins 4003911 3064597 4003903","description":"\u003ch2\u003eLever Rocker for Cummins\u003c\/h2\u003e\u003cp\u003eThis lever rocker acts as a valve train actuator for Cummins engines, referencing OEM part numbers 4003911, 3064597, and 4003903 to ensure correct cylinder intake and exhaust timing.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis lever rocker is designed to transfer the motion of the camshaft to the engine valves with minimal mechanical friction. Engineered specifically for Cummins heavy-duty diesel engines, this lever rocker maintains precise valve clearance to maximize combustion efficiency. Diesel mechanics and fleet service centers install this lever rocker to repair worn valve train components and prevent cylinder misfires.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eForged from high-strength steel alloy to endure heavy valve spring pressures\u003c\/li\u003e\n\u003cli\u003eHardened contact pad surfaces reduce wear and extend overall timing component life\u003c\/li\u003e\n\u003cli\u003ePrecision-bored pivot journal ensures smooth rocker arm oscillation\u003c\/li\u003e\n\u003cli\u003eDirect replacement design matches original OEM dimensions for seamless integration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing worn or pitted rocker arms during top-end engine overhauls\u003c\/li\u003e\n\u003cli\u003eRestoring precise valve timing and clearance on industrial diesel engines\u003c\/li\u003e\n\u003cli\u003eResolving excessive engine noise and valve train clatter during routine maintenance\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\u003e4003911, 3064597, 4003903\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForged Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiesel Engine Valve Train\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 lever rocker come with the adjustment screw? \u003cstrong\u003eA:\u003c\/strong\u003e This lever rocker is sold as the rocker body itself; the original assembly should be checked if the adjustment hardware needs to be reused.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Why do rocker arms typically need to be replaced? \u003cstrong\u003eA:\u003c\/strong\u003e Wear on the contact pads or pivot journals over millions of cycles can alter valve lift and timing, requiring replacement.\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":44788919369814,"sku":"SZ1E02228","price":87.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/57_0afd96c9-d8d1-4053-bc55-e51b3c31d0dc.jpg?v=1779933989","url":"https:\/\/www.solidspare.com\/products\/new-lever-rocker-for-cummins-4003911-3064597-4003903","provider":"Solid Spare","version":"1.0","type":"link"}