{"product_id":"dayco-71670-radiator-coolant-hose","title":"Dayco 71670 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71670\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71670 is designed specifically for Nissan 300ZX models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameter hose with 1 5\/16 inch and 1 9\/16 inch ends\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eTrunk height of 9 inches for proper routing in engine bay\u003c\/li\u003e\n\u003cli\u003eCompatible with Nissan 300ZX radiator coolant systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71670 is engineered to meet the cooling system demands of the Nissan 300ZX. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity under typical engine operating conditions. The hose features a dual inside diameter design, with one end measuring 1 5\/16 inches and the other 1 9\/16 inches, allowing for a secure and leak-free connection between radiator components. This hose does not include a heat shield or protective sleeve, focusing on a straightforward, durable design. The 9-inch trunk height ensures proper fitment and routing within the engine compartment.\u003c\/p\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose line is tailored to provide precise fit and reliable coolant flow for specific vehicle applications. This product line emphasizes quality materials and adherence to SAE specifications, such as SAE J20R4 Class D-1 and SAE J1684 Type EC, ensuring compatibility and performance. The curved design facilitates optimal routing in tight engine bays, reducing stress on connections and improving overall cooling system efficiency.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses on Nissan 300ZX\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation or improper fit\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues due to compromised coolant flow\u003c\/li\u003e\n\u003cli\u003eMaintaining OEM coolant system integrity with correct hose dimensions\u003c\/li\u003e\n\u003cli\u003eAddressing hose swelling or softening from heat exposure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before removing the old radiator hose to avoid burns. Verify the hose ends match the radiator and engine inlet diameters (1 5\/16 inch and 1 9\/16 inch respectively). Use appropriate clamps to secure the hose and check for leaks after installation. Avoid twisting or stretching the hose during installation to maintain its structural integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 71670 to meet strict SAE standards, ensuring durability and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in Nissan 300ZX cooling systems.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391435276469,"sku":"BCWL-71670","price":28.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71670_Fro.jpg?v=1774728404","url":"https:\/\/www.partcatalog.com\/products\/dayco-71670-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}