{"product_id":"dayco-72437-radiator-coolant-hose","title":"Dayco 72437 Radiator Coolant Hose - Lower","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 72437\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72437 is designed specifically for Lexus IS300 models, providing reliable coolant flow and engine temperature regulation. Made from durable EPDM material, this dual inside diameter hose ensures a precise fit and long-lasting performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameters: 1 5\/16 inch and 1 1\/2 inch\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height of 16 1\/2 inches for proper routing\u003c\/li\u003e\n\u003cli\u003eCompatible with Lexus IS300 radiator coolant systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 72437 is engineered to meet the cooling system demands of the Lexus IS300. Its EPDM construction offers resistance to heat, ozone, and coolant chemicals, ensuring durability under typical engine operating conditions. The hose features a dual inside diameter design, with one end measuring 1 5\/16 inches and the other 1 1\/2 inches, allowing for a secure and leak-free connection between radiator components. This hose does not include a heat shield or protective sleeve, consistent with the original equipment design. The trunk height of 16 1\/2 inches supports proper installation and routing within the engine bay.\u003c\/p\u003e\u003ch2\u003eAbout the Curved Radiator Hose Product Line\u003c\/h2\u003e\u003cp\u003eDayco's Curved Radiator Hose line focuses on delivering hoses with precise bends and dual inside diameters to match specific vehicle cooling system requirements. This product line is designed to provide a direct replacement for OEM radiator hoses, ensuring compatibility and maintaining the integrity of the cooling system. The 72437 hose exemplifies this approach by offering a tailored fit for the Lexus IS300, adhering to SAE specifications for quality and performance.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked radiator coolant hoses in Lexus IS300\u003c\/li\u003e\n\u003cli\u003ePrevention of coolant leaks caused by hose degradation\u003c\/li\u003e\n\u003cli\u003eRestoration of proper coolant flow to avoid engine overheating\u003c\/li\u003e\n\u003cli\u003eAddressing hose swelling or softening due to heat exposure\u003c\/li\u003e\n\u003cli\u003eEnsuring secure connections with dual inside diameter ends to prevent disconnections\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 Lexus IS300 radiator connections before installation\u003c\/li\u003e\n\u003cli\u003eEnsure clamps are properly tightened to avoid leaks without damaging the hose\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eReplace coolant as recommended after hose installation to maintain system integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 72437 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for radiator coolant hoses. While specific warranty details are not provided, Dayco products typically undergo rigorous quality control to support reliable performance in automotive cooling systems.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391507038389,"sku":"BCWL-72437","price":30.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_72437_Fro.jpg?v=1774728569","url":"https:\/\/www.partcatalog.com\/products\/dayco-72437-radiator-coolant-hose","provider":"PartCatalog","version":"1.0","type":"link"}