{"product_id":"dayco-72802-radiator-coolant-hose","title":"Dayco 72802 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 72802\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72802 is designed specifically for BMW X3 models, providing reliable coolant flow within the engine cooling system. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under varying temperature conditions.\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 and End 2 Inside Diameter: 1 7\/16 inches\u003c\/li\u003e\n\u003cli\u003eEnd 1 and End 2 Outside Diameter: 2 inches\u003c\/li\u003e\n\u003cli\u003eHose Type: Single inside diameter hose\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk Height: 14 inches\u003c\/li\u003e\n\u003cli\u003eCompatible with BMW X3 models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72802 is engineered to maintain optimal coolant circulation in BMW X3 vehicles. Made from EPDM (ethylene propylene diene monomer), this hose offers excellent resistance to heat, ozone, and coolant chemicals, which are critical for long-term durability in automotive cooling systems. Both ends of the hose have an inside diameter of 1 7\/16 inches and an outside diameter of 2 inches, ensuring a precise fit and secure connection to the radiator and engine components.\u003c\/p\u003e\u003cp\u003eThis hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for coolant applications and resistance to pressure and temperature variations. The 14-inch trunk height provides the necessary curvature to fit the BMW X3 cooling system layout without kinking or restricting flow.\u003c\/p\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose line is designed to accommodate specific vehicle cooling system geometries, offering hoses with pre-formed bends to match OEM configurations. This reduces installation complexity and ensures proper coolant flow. The 72802 part is part of this line, tailored for BMW X3 applications where a curved hose is required to maintain system integrity and performance.\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 BMW X3\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by hose degradation\u003c\/li\u003e\n\u003cli\u003ePreventing overheating due to restricted coolant flow\u003c\/li\u003e\n\u003cli\u003eAddressing hose swelling or softening from heat exposure\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant system pressure and circulation\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. Inspect hose clamps and replace if necessary to secure the new hose properly. Verify that the hose routing matches the original path to prevent kinks or interference with other engine components. Lubricate hose ends with a small amount of coolant or water to ease installation. After installation, check for leaks and proper coolant flow during engine warm-up.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco radiator hoses, including the Curved Radiator Hose 72802, are manufactured to meet strict SAE specifications, ensuring reliable performance in automotive cooling systems. While specific warranty details are not provided here, Dayco products typically come with manufacturer-backed quality assurance to support durability and fitment for BMW X3 vehicles.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391525879989,"sku":"BCWL-72802","price":68.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_72802_Fro.jpg?v=1774728632","url":"https:\/\/www.partcatalog.com\/products\/dayco-72802-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}