{"product_id":"dayco-71781-radiator-coolant-hose","title":"Dayco 71781 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 71781\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71781 is designed specifically for Chevrolet Astro and GMC Safari vehicles. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color with a curved design for precise fitment\u003c\/li\u003e\n\u003cli\u003eSingle inside diameter hose with 1 5\/16 inch ends on both sides\u003c\/li\u003e\n\u003cli\u003eIncludes a protective sleeve for added durability\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height of 23 inches for proper routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 71781 is a radiator coolant hose tailored for the cooling systems of Chevrolet Astro and GMC Safari models. Made from EPDM (ethylene propylene diene monomer) rubber, this hose offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. Both ends of the hose have an inside diameter of 1 5\/16 inches, ensuring a secure connection to the radiator and engine fittings. The hose features a protective sleeve to guard against abrasion and external damage, although it does not include a heat shield. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications. The curved design and 23-inch trunk height facilitate proper installation and routing within the engine bay.\u003c\/p\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eDayco's Curved Radiator Hose line focuses on delivering hoses with precise bends and dimensions to match specific vehicle cooling system layouts. This product line emphasizes fitment accuracy and durability, reducing the need for modifications during installation. The 71781 part is part of this line, providing a direct replacement hose engineered to meet the exact specifications required by Chevrolet Astro and GMC Safari models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses\u003c\/li\u003e\n\u003cli\u003ePrevention of coolant leaks due to hose degradation\u003c\/li\u003e\n\u003cli\u003eRestoration of proper coolant flow in Chevrolet Astro and GMC Safari vehicles\u003c\/li\u003e\n\u003cli\u003eAddressing overheating issues caused by compromised hoses\u003c\/li\u003e\n\u003cli\u003eEnsuring secure hose connections with correct diameter and fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eBefore installation, verify that the hose dimensions match your vehicle’s requirements. The 1 5\/16 inch inside diameter ends should fit snugly on the radiator and engine fittings. Use appropriate clamps to secure the hose and prevent leaks. Inspect the protective sleeve for any damage prior to installation. Avoid twisting or stretching the hose excessively during installation to maintain its integrity and fitment.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 71781 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. The use of EPDM material and protective sleeve enhances durability and service life. Warranty details should be confirmed with the original equipment manufacturer or supplier.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391449432245,"sku":"BCWL-71781","price":48.88,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_71781_Fro.jpg?v=1774728425","url":"https:\/\/www.partcatalog.com\/products\/dayco-71781-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}