{"product_id":"heavy-duty-water-pump-for-cummins-isx-isz-engines-3684450-3683651-4386576","title":"Heavy Duty Water Pump For Cummins ISX ISZ Engines 3684450 3683651 4386576","description":"\u003ch2\u003eHeavy Duty Water Pump For Cummins ISX ISZ Engines 3684450 3683651 4386576\u003c\/h2\u003e\u003cp\u003eEnsure your engine maintains the perfect temperature with this premium aftermarket water pump. Engineered specifically for heavy-duty Cummins ISX and ISZ engines, this replacement part provides superior coolant circulation to prevent overheating and extend your engine's service life. Built with a high-strength cast iron housing, this aftermarket pump is designed for professional-grade reliability in demanding environments.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEfficient Coolant Flow: Maintains optimal engine temperatures for consistent performance.\u003c\/li\u003e\n\u003cli\u003eHeavy-Duty Construction: Rugged cast iron housing offers exceptional durability and resistance to wear.\u003c\/li\u003e\n\u003cli\u003ePrecision Fitment: Designed as a direct aftermarket replacement for seamless installation.\u003c\/li\u003e\n\u003cli\u003eReliable Sealing: Manufactured to tight tolerances to ensure a leak-free operation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Models\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCummins ISX Engines\u003c\/li\u003e\n\u003cli\u003eCummins ISZ Engines\u003c\/li\u003e\n\u003cli\u003eCummins X15 Engines\u003c\/li\u003e\n\u003cli\u003eCummins QSX Engines\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart Numbers: 3684450, 3683651, 4386576\u003c\/li\u003e\n\u003cli\u003eMaterial: High-quality Cast Iron\u003c\/li\u003e\n\u003cli\u003ePulley: 12-Groove Design\u003c\/li\u003e\n\u003cli\u003eCondition: New Aftermarket\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this an OEM part?\u003c\/strong\u003e\n\nNo, this is a premium aftermarket replacement part designed to meet or exceed original equipment performance standards.\u003c\/p\u003ep\u0026gt;\u003cstrong\u003eHow do I confirm compatibility?\u003c\/strong\u003e\n\nYou can confirm fitment by matching your existing part number to 3684450, 3683651, or 4386576, or by checking your engine's serial number against the compatibility list.\u003chr\u003e\u003cem\u003eImportant: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.\u003c\/em\u003e","brand":"Northline Parts","offers":[{"title":"Default Title","offer_id":42843577548871,"sku":"ZZ2O03643","price":188.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/12_8484fafb-e799-4b57-80c3-eab2fd7a1407.jpg?v=1780554330","url":"https:\/\/www.northlineparts.com\/products\/heavy-duty-water-pump-for-cummins-isx-isz-engines-3684450-3683651-4386576","provider":"Northline Parts","version":"1.0","type":"link"}