{"product_id":"dayco-72273-radiator-coolant-hose","title":"Dayco 72273 Radiator Coolant Hose - Upper","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 72273\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72273 is designed specifically for heavy-duty Chevrolet and GMC trucks, including the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models. Engineered to meet SAE specifications, this radiator coolant hose ensures reliable performance in demanding cooling system applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable 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\u003eInside diameter of 1 3\/4 inches on both ends for consistent coolant flow\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R4 Class D-1 and SAE J1684 Type EC standards\u003c\/li\u003e\n\u003cli\u003eSingle inside diameter hose type with a trunk height of 19 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72273 is manufactured from EPDM (ethylene propylene diene monomer) rubber, a material known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a consistent 1 3\/4 inch inside diameter on both ends, ensuring a secure and leak-free connection within the cooling system. Its curved design allows for optimal routing in the engine bay of Chevrolet and GMC heavy-duty trucks, specifically the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 models. The hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for coolant applications under high temperature and pressure conditions.\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 precise bends and dimensions to fit specific vehicle cooling systems without the need for modifications. This product line is engineered to maintain coolant flow efficiency and durability, reducing the risk of leaks or premature failure. The 72273 part number is a representative example, designed to meet the exacting requirements of heavy-duty Chevrolet and GMC trucks.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Chevrolet Sierra 2500 HD and Silverado 3500\u003c\/li\u003e\n\u003cli\u003eAddressing coolant leaks caused by hose degradation or swelling\u003c\/li\u003e\n\u003cli\u003eResolving overheating issues due to restricted or collapsed hoses\u003c\/li\u003e\n\u003cli\u003eUpgrading to a hose that meets SAE specifications for improved reliability\u003c\/li\u003e\n\u003cli\u003eEnsuring proper coolant flow in heavy-duty GMC Sierra 3500 and Silverado 2500 HD trucks\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose dimensions and fitment with your vehicle model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure all clamps and connections are secure to prevent leaks\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eFlush the cooling system if necessary to remove debris before installing the new hose\u003c\/li\u003e\n\u003cli\u003eAllow the engine to cool completely before removing the old hose\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 72273 to meet industry standards, including SAE J20R4 Class D-1 and SAE J1684 Type EC, ensuring durability and performance in heavy-duty applications. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance to support reliable operation in Chevrolet and GMC truck cooling systems.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391492620469,"sku":"BCWL-72273","price":29.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_72273_Fro.jpg?v=1774728534","url":"https:\/\/www.partcatalog.com\/products\/dayco-72273-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}