{"product_id":"dayco-72346-radiator-coolant-hose-lower","title":"Dayco 72346 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 72346\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72346 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 with durable EPDM material, this branched radiator coolant hose ensures reliable performance under demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBranched hose design with multiple inside diameters for precise fitment\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\u003eCompatible with Chevrolet and GMC heavy-duty truck models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Features and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72346 features a branched hose design with four different inside diameters: 1 3\/4\", 2 1\/16\", 1\", and 5\/8\". This allows it to connect multiple points within the cooling system efficiently. The hose’s outside diameters correspond accordingly to ensure a secure fit. Made from EPDM material, it offers excellent resistance to heat, ozone, and coolant chemicals, which is critical for maintaining system integrity in Chevrolet Sierra and Silverado heavy-duty trucks. The hose does not include a heat shield or protective sleeve, focusing on core durability and fitment. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant system applications.\u003c\/p\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eDayco's Curved Radiator Hose line is designed to provide precise fitment and reliable coolant flow for specific vehicle applications. This product line focuses on hoses with complex shapes and branched configurations to accommodate the unique routing requirements of modern cooling systems. The 72346 part exemplifies this with its multiple diameters and branched design, tailored for Chevrolet and GMC heavy-duty 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\u003eRestoring proper coolant flow in branched hose configurations\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to compromised radiator hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining OEM-level cooling system performance in GMC Sierra 3500 trucks\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 routing matches the original configuration, paying attention to the branched connections. Use appropriate clamps to secure each end, matching the specified inside diameters of 1 3\/4\", 2 1\/16\", 1\", and 5\/8\". Inspect adjacent components for wear or damage during installation. No heat shield or protective sleeve is included, so take care to avoid contact with sharp edges or excessive heat sources.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 72346 to meet stringent SAE specifications, ensuring durability and performance in heavy-duty applications. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability. Using this hose helps maintain the integrity of the cooling system in Chevrolet and GMC heavy-duty trucks.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51995900739765,"sku":"BCWL-72346","price":86.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_72346_Fro.jpg?v=1775164818","url":"https:\/\/www.partcatalog.com\/products\/dayco-72346-radiator-coolant-hose-lower","provider":"PartCatalog","version":"1.0","type":"link"}