{"product_id":"dayco-71409-radiator-coolant-hose","title":"Dayco 71409 Radiator Coolant Hose - Upper - Pipe To Engine","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71409\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71409 is designed for reliable cooling system performance in select Nissan vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for Nissan D21, Maxima, and Pathfinder models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack single inside diameter hose with 7\/8 inch diameter on both ends\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height measures 9 1\/4 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eDesigned without heat shield or protective sleeve for direct coolant flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetails on the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose product line focuses on delivering hoses shaped to accommodate specific engine bay layouts, improving coolant flow and installation ease. The 71409 part number represents a single inside diameter hose tailored for Nissan vehicles, providing a reliable replacement option that meets industry SAE standards for radiator coolant hoses.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose features a uniform 7\/8 inch inside diameter on both ends, making it suitable for consistent coolant flow without restriction. The EPDM material offers resistance to heat, ozone, and coolant chemicals, which is essential for maintaining system integrity under operating temperatures. The hose’s trunk height of 9 1\/4 inches ensures proper routing within the engine compartment of Nissan D21, Maxima, and Pathfinder models. It does not include a heat shield or protective sleeve, which is typical for this hose type and application.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Nissan D21, Maxima, and Pathfinder\u003c\/li\u003e\n\u003cli\u003ePrevention of coolant leaks caused by hose degradation or swelling\u003c\/li\u003e\n\u003cli\u003eRestoration of proper coolant flow to avoid engine overheating\u003c\/li\u003e\n\u003cli\u003eAddressing hose collapse or blockage that impairs cooling system efficiency\u003c\/li\u003e\n\u003cli\u003eEnsuring compatibility with OEM cooling system specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco Curved Radiator Hose 71409, ensure the hose is routed without kinks or sharp bends to maintain coolant flow. Verify that the 7\/8 inch inside diameter matches the radiator and engine fittings on your Nissan D21, Maxima, or Pathfinder. Use appropriate clamps to secure the hose ends and check for leaks after installation. It is recommended to replace any worn clamps or related components during installation for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 71409 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The EPDM material and construction provide durability under typical operating conditions. Warranty details should be confirmed with the original equipment manufacturer or distributor, as they may vary by region.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43389889577141,"sku":"BCWL-71409","price":30.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71409_Fro.jpg?v=1774728366","url":"https:\/\/www.partcatalog.com\/products\/dayco-71409-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}