{"product_id":"dayco-70863-radiator-coolant-hose","title":"Dayco 70863 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 70863\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 70863 is designed specifically for Chevrolet Corvette models, providing reliable coolant flow and engine temperature regulation. Constructed from durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eEnd 1 Inside Diameter: 1 1\/2 inches\u003c\/li\u003e\n\u003cli\u003eEnd 2 Inside Diameter: 1 3\/4 inches\u003c\/li\u003e\n\u003cli\u003eHose Type: Dual inside diameter hose\u003c\/li\u003e\n\u003cli\u003eSAE Specifications: SAE J20R4 Class D-1, SAE J1684 Type EC\u003c\/li\u003e\n\u003cli\u003eTrunk Height: 20 3\/4 inches\u003c\/li\u003e\n\u003cli\u003eDoes not include heat shield or protective sleeve\u003c\/li\u003e\n\u003c\/ul\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 dual inside diameters to accommodate specific radiator and engine configurations. This design helps maintain optimal coolant flow and fitment in vehicles like the Chevrolet Corvette, where space constraints require specialized hose shapes. The 70863 part number is part of this line, engineered to meet SAE standards for coolant hoses.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco 70863 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Its dual inside diameter design (1 1\/2 inch on one end and 1 3\/4 inch on the other) allows it to connect different sized fittings securely. The hose’s black color is standard for radiator hoses, and it does not include additional heat shielding or protective sleeves, which may be unnecessary depending on the installation environment. The trunk height of 20 3\/4 inches ensures proper routing within the engine bay of Chevrolet Corvette 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 in Chevrolet Corvette vehicles\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation or improper fit\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eAddressing hose swelling or softening due to heat exposure\u003c\/li\u003e\n\u003cli\u003eEnsuring compatibility with radiator and engine fittings requiring dual inside diameter hoses\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 Chevrolet Corvette model before installation\u003c\/li\u003e\n\u003cli\u003eEnsure all clamps are securely tightened 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 contamination or debris is present\u003c\/li\u003e\n\u003cli\u003eReplace hoses when the engine is cool to avoid burns or injury\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 70863 radiator hose to meet SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, ensuring compliance with industry standards for coolant hoses. The EPDM material provides durability against heat and chemical exposure typical in automotive cooling systems. Warranty details should be confirmed with the original equipment manufacturer or distributor, as they may vary.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43389882892469,"sku":"BCWL-70863","price":29.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_70863_Fro.jpg?v=1774728315","url":"https:\/\/www.partcatalog.com\/products\/dayco-70863-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}