{"product_id":"dayco-87790-hvac-heater-hose-engine-to-heater","title":"Dayco 87790 HVAC Heater Hose - Engine To Heater","description":"\u003ch2\u003eReliable HVAC Heater Hose for Ford Super Duty and Excursion\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 87790 is designed to provide dependable performance in your Ford Excursion, F-250 Super Duty, and F-350 Super Duty HVAC systems. Engineered with durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003e5\/8 inch inside diameter on both ends for precise fitment\u003c\/li\u003e\n\u003cli\u003eSingle inside diameter hose type for straightforward installation\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003e27 inches trunk height for proper routing in HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Dayco Small I.D. Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Small I.D. Heater Hose line by Dayco focuses on delivering hoses with smaller inside diameters tailored for specific HVAC applications. This product line emphasizes compatibility with OEM standards and durability under typical engine bay conditions. The 87790 part number is part of this line, ensuring it meets the precise requirements for Ford heavy-duty trucks and SUVs.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco 87790 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for HVAC heater core connections. Both ends of the hose have a 5\/8 inch inside diameter, providing a consistent and secure fit for Ford Excursion, F-250 Super Duty, and F-350 Super Duty models. This single inside diameter hose does not include a heat shield or protective sleeve, which is typical for this type of HVAC hose. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Ford Excursion and Super Duty trucks\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks in HVAC heater core connections\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow to prevent heater core failure\u003c\/li\u003e\n\u003cli\u003eAddressing hose degradation due to heat and chemical exposure\u003c\/li\u003e\n\u003cli\u003eEnsuring reliable HVAC system performance during cold weather operation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dayco 87790 heater hose, ensure the hose routing matches the original OEM path to avoid kinks or interference with other engine components. Verify that the 5\/8 inch inside diameter matches the heater core and fitting connections on your Ford Excursion or Super Duty model. Use appropriate clamps to secure the hose ends firmly, preventing leaks. Inspect surrounding components for wear or damage during replacement to maintain overall HVAC system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the 87790 heater hose to meet SAE specifications, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry standards for reliability in automotive HVAC applications.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":52149212020917,"sku":"BCWL-87790","price":38.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_87790_Fro.jpg?v=1775588022","url":"https:\/\/www.partcatalog.com\/products\/dayco-87790-hvac-heater-hose-engine-to-heater","provider":"PartCatalog","version":"1.0","type":"link"}