{"product_id":"cylinder-head-for-4-0l-jeep-cherokee-xj-grand-cherokee-wj-wrangler-tj-unlimited","title":"Cylinder Head For 4.0L Jeep Cherokee XJ Grand Cherokee WJ Wrangler TJ Unlimited","description":"\u003ch2\u003eCylinder Head for Jeep 4.0L\u003c\/h2\u003e\u003cp\u003eThis cylinder head for Jeep 4.0L engines is a direct-fit replacement component that seals the combustion chamber and houses the valves, valvetrain, and spark plugs. It restores compression and coolant flow on inline-six 4.0L powerplants used across Cherokee XJ, Grand Cherokee WJ, and Wrangler TJ models.\u003c\/p\u003e\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis cylinder head for Jeep is designed to replace a cracked, warped, or worn-out original head on 4.0L inline-six engines. It bolts to the engine block to form the combustion chamber and carries the intake and exhaust valves, springs, and rocker mounting points. It suits DIY engine rebuilders and shops servicing older Jeep XJ, WJ, and TJ platforms.\u003c\/p\u003e\u003ch4\u003eBuilt For Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCast construction engineered to match the 4.0L inline-six combustion chamber profile\u003c\/li\u003e\n\u003cli\u003eMachined deck surface for a clean head gasket seal and even compression\u003c\/li\u003e\n\u003cli\u003ePre-drilled intake and exhaust ports to accept factory manifolds\u003c\/li\u003e\n\u003cli\u003eValve guide and seat provisions sized for standard 4.0L valvetrain components\u003c\/li\u003e\n\u003cli\u003eSpark plug and coolant passage locations aligned with the original block layout\u003c\/li\u003e\n\u003cli\u003eBolt pattern matched to the factory head bolt sequence for straight installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFits These Machines\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003efor Jeep Cherokee XJ\u003c\/li\u003e\n\u003cli\u003efor Jeep Grand Cherokee WJ\u003c\/li\u003e\n\u003cli\u003efor Jeep Wrangler TJ\u003c\/li\u003e\n\u003cli\u003efor Jeep Wrangler TJ Unlimited\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOn-The-Job Use\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eReplacing a warped or cracked head after an overheating event\u003c\/li\u003e\n\u003cli\u003eTop-end rebuilds on high-mileage 4.0L engines\u003c\/li\u003e\n\u003cli\u003eRestoring compression on a blown head gasket repair\u003c\/li\u003e\n\u003cli\u003eRefresh work on trail rigs and daily-driven Cherokees and Wranglers\u003c\/li\u003e\n\u003cli\u003eShop and DIY engine reassembly projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecs At A Glance\u003c\/h4\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEngine\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.0L Inline-Six\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eComponent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCylinder Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJeep Cherokee XJ, Grand Cherokee WJ, Wrangler TJ, TJ Unlimited\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 cylinder head come with valves and springs installed? \u003cstrong\u003eA:\u003c\/strong\u003e Unless the listing photos show them, this is a bare cast cylinder head, so you will need to transfer or source valves, springs, and retainers. Check the photos and description carefully before buying.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit any 4.0L Jeep engine? \u003cstrong\u003eA:\u003c\/strong\u003e It is intended for the 4.0L inline-six used in Cherokee XJ, Grand Cherokee WJ, and Wrangler TJ models. Confirm your exact year and engine code before ordering.\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":50556805480534,"sku":"ZZ3P00126","price":741.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/8460\/0662\/files\/s-l1600_18e9e903-c228-458b-897c-25f7fafcd4a6.jpg?v=1790932596","url":"https:\/\/www.solidspare.com\/products\/cylinder-head-for-4-0l-jeep-cherokee-xj-grand-cherokee-wj-wrangler-tj-unlimited","provider":"Solid Spare","version":"1.0","type":"link"}