{"product_id":"cummins-3969722-cylinder-head","title":"Cummins 3969722 Cylinder Head","description":"\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNew aftermarket loaded cylinder head for the Cummins ISC \/ ISL \/ QSL 24-valve engines\u003c\/li\u003e\n\u003cli\u003e24-valve (4 valves per cylinder) configuration\u003c\/li\u003e\n\u003cli\u003eFully loaded with valves and springs; includes guides, seats, and injector cups\u003c\/li\u003e\n\u003cli\u003eHigh-strength, alloyed cast iron designed for heavy-duty diesel applications\u003c\/li\u003e\n\u003cli\u003eNew — no core required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBase casting number: 3969722\u003c\/li\u003e\n\u003cli\u003eComponent type: Loaded cylinder head (24-valve)\u003c\/li\u003e\n\u003cli\u003eCondition: New Aftermarket\u003c\/li\u003e\n\u003cli\u003eValve configuration: 24-valve (4 per cylinder), loaded (valves + springs)\u003c\/li\u003e\n\u003cli\u003eMaterial: high-strength, alloyed cast iron\u003c\/li\u003e\n\u003cli\u003eEngine: Cummins ISC (8.3L) \/ ISL \u0026amp; QSL (8.9L)\u003c\/li\u003e\n\u003cli\u003eIncluded: valve guides, valve seats, injector cups, valves, springs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility \/ Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCummins ISC (8.3L), ISL and QSL (8.9L) — 24-valve engines\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve gate:\u003c\/strong\u003e this is the 24-valve (4V) head — not the 12-valve (2V) 8.3L C head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmissions\/CPL gate:\u003c\/strong\u003e the ISC\/ISL 24V head spans multiple emissions eras and variants — verify your engine CPL, serial, and emissions era before ordering\u003c\/li\u003e\n\u003cli\u003eCommon cross-references: 5256469, 5347975, 5529501, 4935787, 4942139, 4989710, 5347974, 5529500\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diesel Parts Center","offers":[{"title":"Default Title","offer_id":67704549277854,"sku":"DIEHBRN3969722VS","price":2976.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5869\/0206\/files\/1.jpg?v=1792681464","url":"https:\/\/dieselpartscenter.com\/products\/cummins-3969722-cylinder-head","provider":"Diesel Parts Center","version":"1.0","type":"link"}