{"product_id":"dayco-70930-radiator-coolant-hose-lower","title":"Dayco 70930 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eDayco Curved Radiator Hose 70930\u003c\/h2\u003e\u003cp\u003eDayco 70930 is a curved radiator coolant hose built for lower cooling-system routing on select 1977 Ford trucks. Made from EPDM rubber and formed as a dual I.D. hose, it provides the correct transition between different hose diameters in applications that require a curved lower hose layout.\u003c\/p\u003e\u003cp\u003eThis Dayco Curved Radiator Hose line is focused on OE-style cooling-system replacement with application-specific shapes and dimensions. Part number 70930 is sized with a 1 3\/4-inch inside diameter on one end and a 2-inch inside diameter on the other, making it a direct-match option for the listed Ford F-Series lower radiator hose applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEPDM construction for radiator coolant service\u003c\/li\u003e\n\u003cli\u003eBlack finish for a factory-style appearance\u003c\/li\u003e\n\u003cli\u003eDual I.D. hose design with 1 3\/4-inch and 2-inch end diameters\u003c\/li\u003e\n\u003cli\u003eCurved hose shape for lower radiator routing\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eFits 1977 Ford F-100, lower\u003c\/li\u003e\n\u003cli\u003eFits 1977 Ford F-150, lower\u003c\/li\u003e\n\u003cli\u003eFits 1977 Ford F-250, lower\u003c\/li\u003e\n\u003cli\u003eFits 1977 Ford F-350, lower\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDayco 70930 is a radiator coolant hose for lower-position cooling-system connections on 1977 Ford F-100, F-150, F-250, and F-350 models. The curved profile supports the routing needed in these truck applications, including versions noted for 2 3\/4-inch thick radiator top configurations and 4-inch thick radiators with A\/C. If you are replacing a worn lower hose on a 1977 Ford F-100, F-150, F-250, or F-350, this part number 70930 matches the listed fitment and hose dimensions.\u003c\/p\u003e\u003cp\u003eThis part cross-references Ford D7TA-8B273-CC and Gates 21053 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Hose Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leakage from a cracked or aged lower radiator hose\u003c\/li\u003e\n\u003cli\u003eSoftening, swelling, or collapse of the original EPDM hose\u003c\/li\u003e\n\u003cli\u003eImproper hose routing caused by a damaged curved hose\u003c\/li\u003e\n\u003cli\u003eCooling-system service on 1977 Ford F-Series trucks with the listed lower hose configuration\u003c\/li\u003e\n\u003cli\u003eReplacement of a hose that no longer seals correctly at the radiator or engine connection points\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the end diameters, curved shape, and lower-position routing before installation. Compare the existing hose to the Dayco 70930 profile and confirm clearance around nearby components, especially on trucks with A\/C or thicker radiator configurations. Inspect hose clamps, necks, and adjoining cooling-system parts for wear before reassembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco lists this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, supporting its use in radiator coolant service. The EPDM construction is selected for cooling-system duty in the specified Ford truck applications.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52999970324661,"sku":"BCWL-70930","price":34.67,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_70930_Fro.jpg?v=1787202213","url":"https:\/\/www.partcatalog.com\/products\/dayco-70930-radiator-coolant-hose-lower","provider":"PartCatalog","version":"1.0","type":"link"}