{"product_id":"dayco-70459-engine-coolant-bypass-hose","title":"Dayco 70459 Engine Coolant Bypass Hose","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 70459\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 70459 is engineered for reliable engine coolant bypass in select Buick, Chevrolet, GMC, Jeep, Oldsmobile, and Pontiac vehicles. Designed with durable EPDM material, this black single inside diameter hose ensures consistent performance under typical engine operating conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color with 19\/32 inch inside diameter on both ends\u003c\/li\u003e\n\u003cli\u003eSingle i.d. hose type for precise fitment\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height of 4 1\/2 inches for proper routing\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 specific bends and dimensions to match OEM configurations. This ensures proper coolant flow and fitment in complex engine compartments. The 70459 part is part of this line, offering a curved design that fits engine coolant bypass applications in various GM and Jeep models without the need for modifications.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis engine coolant bypass hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for long-term use in automotive cooling systems. Both ends have an inside diameter of 19\/32 inches, allowing for a secure connection to corresponding fittings. The hose does not include a heat shield or protective sleeve, which is typical for bypass hoses that operate in less exposed areas. Compliance with SAE J20R4 Class D-1 and SAE J1684 Type EC standards ensures the hose meets industry requirements for coolant hose performance and durability.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick models including Century, LeSabre, and Regal\u003c\/li\u003e\n\u003cli\u003eChevrolet models such as Camaro, Caprice, and Impala\u003c\/li\u003e\n\u003cli\u003eGMC S10 and S15 series trucks\u003c\/li\u003e\n\u003cli\u003eJeep CJ5 and S15 Jimmy\u003c\/li\u003e\n\u003cli\u003eOldsmobile Cutlass series and Delta 88\u003c\/li\u003e\n\u003cli\u003ePontiac Firebird, Grand Am, and Sunbird\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by This Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks due to cracked or worn bypass hoses\u003c\/li\u003e\n\u003cli\u003eOverheating caused by restricted coolant flow\u003c\/li\u003e\n\u003cli\u003eHose collapse or deformation under pressure\u003c\/li\u003e\n\u003cli\u003eReplacement of deteriorated OEM hoses in older GM and Jeep vehicles\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant circulation in engine bypass systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose inside diameter matches vehicle fittings (19\/32 inch)\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage before installation\u003c\/li\u003e\n\u003cli\u003eEnsure clamps are properly tightened to prevent leaks\u003c\/li\u003e\n\u003cli\u003eRoute hose according to OEM specifications to avoid kinks or contact with hot surfaces\u003c\/li\u003e\n\u003cli\u003eReplace any damaged clamps or connectors during installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 70459 to meet SAE standards, ensuring consistent quality and performance. While specific warranty details are not provided, Dayco products typically come with manufacturer-backed quality assurance. Users should consult vehicle service manuals and Dayco documentation for warranty and maintenance guidelines.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43389877387445,"sku":"BCWL-70459","price":18.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_70459_Fro_bdddff15-0fd6-4d3c-8a59-4ea39e3e0b96.jpg?v=1774728272","url":"https:\/\/www.partcatalog.com\/products\/dayco-70459-engine-coolant-bypass-hose","provider":"PartCatalog","version":"1.0","type":"link"}