{"product_id":"dayco-82121gl-radiator-coolant-hose-upper","title":"Dayco 82121GL Radiator Coolant Hose - Upper","description":"\u003ch2\u003eDayco Flex Radiator Hose 82121GL\u003c\/h2\u003e\u003cp\u003eDayco 82121GL is a Flex Radiator Hose for cooling system service, built for direct replacement use where a radiator coolant hose is required. It is part of Dayco’s Flex Radiator Hose line and is referenced by several aftermarket and OE-style cross numbers for the same application.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRadiator coolant hose for engine cooling system routing\u003c\/li\u003e\n\u003cli\u003eDayco Flex Radiator Hose product line\u003c\/li\u003e\n\u003cli\u003ePart number 82121GL for catalog lookup and ordering\u003c\/li\u003e\n\u003cli\u003eCross-references ACDelco 31712 and Gates 26513\u003c\/li\u003e\n\u003cli\u003eAlso referenced by CARQUEST 26513, NAPA FM127, and others\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eThis radiator coolant hose is used to carry coolant between engine and radiator connections in vehicles that require the Dayco 82121GL application. It is a practical replacement choice for cooling system repair on vehicles such as Chevrolet and GMC models where this hose number is listed in interchange data. The 82121GL designation helps match the correct hose during maintenance, repair, or cooling system restoration.\u003c\/p\u003e\u003cp\u003eDayco’s Flex Radiator Hose line is positioned for radiator hose replacement in cooling system service, with the part number 82121GL serving as the identifying reference across catalogs. This makes it easier to verify the correct hose when comparing Dayco 82121GL against interchange numbers during parts lookup.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks at a worn radiator hose\u003c\/li\u003e\n\u003cli\u003eCracking, hardening, or soft spots in an aging coolant hose\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted coolant flow through a damaged hose\u003c\/li\u003e\n\u003cli\u003eLoss of cooling system pressure from hose deterioration\u003c\/li\u003e\n\u003cli\u003eReplacement needs during radiator or engine cooling service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\u003cp\u003eVerify hose routing, diameter, and connection points against the original part before installation. Drain coolant as needed, inspect adjoining necks and clamps for wear, and confirm the hose seats fully before refilling and bleeding the cooling system. Use the vehicle’s service procedure for pressure testing after installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco is a recognized name in belts and cooling components, and this hose is cataloged under the Dayco Flex Radiator Hose line for radiator coolant hose replacement. Cross-reference numbers include ACDelco 31712 and Gates 26513 for the same application.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":51847575371957,"sku":"BCWL-82121GL","price":61.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_82121GL_Fro.jpg?v=1774728684","url":"https:\/\/www.partcatalog.com\/products\/dayco-82121gl-radiator-coolant-hose-upper","provider":"PartCatalog","version":"1.0","type":"link"}