{"product_id":"dayco-71721-radiator-coolant-hose","title":"Dayco 71721 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71721\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71721 is designed specifically for Chevrolet S10 and GMC Sonoma models. This radiator coolant hose ensures reliable coolant flow with precise fitment and durable EPDM construction.\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 9\/32 inches\u003c\/li\u003e\n\u003cli\u003eEnd 2 Inside Diameter: 1 9\/32 inches\u003c\/li\u003e\n\u003cli\u003eHose Type: Single inside diameter hose\u003c\/li\u003e\n\u003cli\u003eSAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC\u003c\/li\u003e\n\u003cli\u003eTrunk Height: 17 inches\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet S10 and GMC Sonoma\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system requirements. This product line emphasizes durability and compliance with SAE standards, ensuring proper coolant flow and fitment for targeted applications such as the Chevrolet S10 and GMC Sonoma. The 71721 part maintains these standards with its EPDM material and exact inside diameters.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco 71721 radiator coolant hose is constructed from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 9\/32 inches, making it a single i.d. hose designed to fit specific radiator connections on Chevrolet S10 and GMC Sonoma vehicles. The hose does not include a heat shield or protective sleeve, focusing on straightforward installation and reliable performance. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring it adheres to industry standards for coolant hoses.\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 Chevrolet S10 and GMC Sonoma\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eAddressing fitment issues with non-OEM hoses\u003c\/li\u003e\n\u003cli\u003eUpgrading to a hose that meets SAE specifications for durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose inside diameters match radiator and engine fittings before installation\u003c\/li\u003e\n\u003cli\u003eEnsure clamps are properly tightened to prevent leaks without damaging the hose\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eAllow engine to cool before removing old hose to avoid burns\u003c\/li\u003e\n\u003cli\u003eCheck for proper routing to avoid kinks or contact with moving parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 71721 radiator hose to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in Chevrolet S10 and GMC Sonoma vehicles.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391446286517,"sku":"BCWL-71721","price":31.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71721_Fro.jpg?v=1774728413","url":"https:\/\/www.partcatalog.com\/products\/dayco-71721-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}