{"product_id":"cummins-31","title":"Cummins - Molded Hose - 3866019","description":"\u003cp\u003eThe \u003cstrong\u003eCummins 3866019 Molded Hose\u003c\/strong\u003e is an OEM replacement formed hose for Cummins engine applications that specify this exact part number. Molded hoses are shaped to follow the correct routing around engine components, helping maintain proper coolant or fluid flow without kinking, rubbing, or collapsing.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Cummins molded hose\u003c\/li\u003e\n\u003cli\u003ePre-formed shape for correct routing\u003c\/li\u003e\n\u003cli\u003eUsed where \u003cstrong\u003e3866019\u003c\/strong\u003e is listed in the Cummins parts breakdown\u003c\/li\u003e\n\u003cli\u003eHelps replace aged, cracked, swollen, or leaking hose\u003c\/li\u003e\n\u003cli\u003eDesigned for proper fit on the specified Cummins engine assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eEngine Compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eFits Cummins engine applications that call for \u003cstrong\u003emolded hose 3866019\u003c\/strong\u003e. Confirm by engine serial number, hose location, and parts diagram before ordering.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eSerial Number Fitment Notice\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCummins molded hoses can vary by engine model, cooling layout, hose bend, diameter, and connection location. Serial-number verification is required to confirm the correct hose.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eWhen This Part Needs Replacement\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eReplace this hose if it is cracked, soft, swollen, leaking, oil-soaked, hardened, collapsed, or rubbing against nearby components. Molded hoses should also be inspected during cooling-system or engine service.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eInstallation Notes\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eCompare the new hose to the removed hose before installation. Check clamp condition, clean the hose necks, route the hose without twist or tension, and refill\/bleed the system according to the service procedure.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAlternate\/Superseded Part Numbers\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3866019\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cstrong\u003eParts Desk Insight\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eMolded hoses are not best matched by length alone. The bend shape, inside diameter, and engine routing matter, so matching the Cummins part number and serial number is the safest way to avoid fitment issues.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Ships same or next day for fast Canada wide shipping. ⚓\u003c\/p\u003e","brand":"CUM","offers":[{"title":"Default Title","offer_id":43563784011812,"sku":"3866019","price":74.72,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/download_57d20cbf-5184-474e-ab7d-9ab6136d07d0.jpg?v=1778787604","url":"https:\/\/marisolmarine.com\/products\/cummins-31","provider":"Marisol Marine Company","version":"1.0","type":"link"}