{"product_id":"dayco-87764-hvac-heater-hose","title":"Dayco 87764 HVAC Heater Hose - Heater Outlet","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 87764\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 87764 is designed specifically for HVAC systems in select Oldsmobile and Pontiac vehicles. Engineered with durable EPDM material, this dual inside diameter hose ensures reliable performance in heating applications for models like the Montana, Silhouette, and Trans Sport.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and ozone resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameters: 19\/32 inch and 5\/8 inch for precise fitment\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eTrunk height of 9 1\/2 inches for proper routing\u003c\/li\u003e\n\u003cli\u003eDesigned without heat shield or protective sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 87764 is a dual inside diameter hose constructed from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and weathering. This hose features two different inside diameters—19\/32 inch on one end and 5\/8 inch on the other—allowing it to connect seamlessly within the HVAC system of compatible vehicles. The hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it adheres to industry requirements for heater hoses. Its black color matches OEM specifications, and the 9 1\/2 inch trunk height supports proper installation and routing without interference.\u003c\/p\u003e\u003ch2\u003eSmall I.D. Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Small I.D. Heater Hose line by Dayco focuses on providing precise fitment and reliable performance for HVAC systems requiring dual inside diameter hoses. This product line is engineered to meet strict SAE specifications, ensuring compatibility and durability in heating applications. The 87764 part is a representative component of this line, tailored for specific Oldsmobile and Pontiac models.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Oldsmobile Montana HVAC systems\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks in Pontiac Silhouette heating circuits\u003c\/li\u003e\n\u003cli\u003eRestoring proper coolant flow in Pontiac Trans Sport heater assemblies\u003c\/li\u003e\n\u003cli\u003ePreventing overheating caused by deteriorated heater hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining HVAC system efficiency by ensuring secure hose connections\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose diameters match the vehicle’s heater core and engine fittings before installation\u003c\/li\u003e\n\u003cli\u003eEnsure clamps are properly tightened to prevent leaks without damaging the hose\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eRoute the hose to avoid contact with sharp edges or moving parts\u003c\/li\u003e\n\u003cli\u003eFlush the cooling system if necessary to remove debris before installing the new hose\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Small I.D. Heater Hose 87764 to meet SAE standards, ensuring consistent quality and durability. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are backed by the brand’s commitment to reliable automotive components.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391558484149,"sku":"BCWL-87764","price":27.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_87764_Fro.jpg?v=1774728766","url":"https:\/\/www.partcatalog.com\/products\/dayco-87764-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}