{"product_id":"dayco-71904-radiator-coolant-hose","title":"Dayco 71904 Radiator Coolant Hose - Lower or Lower - Radiator To Pipe","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71904\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71904 is designed specifically for Ford Explorer and Mercury Mountaineer models. This radiator coolant hose features a dual inside diameter design and is constructed from durable EPDM material to withstand typical engine cooling system conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eEnd 1 Inside Diameter: 1 15\/32 inches\u003c\/li\u003e\n\u003cli\u003eEnd 2 Inside Diameter: 1 23\/32 inches\u003c\/li\u003e\n\u003cli\u003eHose Type: Dual inside diameter hose\u003c\/li\u003e\n\u003cli\u003eSAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC compliant\u003c\/li\u003e\n\u003cli\u003eTrunk Height: 10 inches\u003c\/li\u003e\n\u003cli\u003eDoes not include heat shield or protective sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71904 is engineered to meet the cooling system requirements of Ford Explorer and Mercury Mountaineer vehicles. Made from EPDM (ethylene propylene diene monomer), this hose offers resistance to heat, ozone, and coolant chemicals, ensuring reliable performance under normal operating temperatures. The dual inside diameter design allows for a secure fit on varying radiator and engine connections, with end diameters measuring 1 15\/32 inches and 1 23\/32 inches respectively. This hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant applications in automotive environments.\u003c\/p\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose line focuses on providing hoses with specific bends and dual inside diameters to accommodate complex radiator and engine configurations. This product line is designed to offer precise fitment and durability for cooling system components, reducing the need for modifications or additional fittings. The 71904 part number is a representative example tailored for Ford and Mercury SUVs requiring a curved hose with dual inside diameters.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses on Ford Explorer and Mercury Mountaineer\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation or improper fit\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow and pressure within the cooling system\u003c\/li\u003e\n\u003cli\u003ePreventing overheating due to compromised hose integrity\u003c\/li\u003e\n\u003cli\u003eEnsuring compatibility with factory radiator and engine connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose end diameters match your vehicle’s radiator and engine fittings before installation\u003c\/li\u003e\n\u003cli\u003eInspect clamps and surrounding components for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003eEnsure the hose is routed without kinks or sharp bends to maintain coolant flow\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation by running the engine to operating temperature\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to avoid damaging the hose during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 71904 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to the hose’s durability. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality guarantees. For warranty information, consult the product packaging or Dayco’s official resources.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391458312373,"sku":"BCWL-71904","price":20.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71904_Fro.jpg?v=1774728450","url":"https:\/\/www.partcatalog.com\/products\/dayco-71904-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}