{"product_id":"dayco-87880-hvac-heater-hose","title":"Dayco 87880 HVAC Heater Hose","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 87880\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 87880 is designed for reliable HVAC system performance in select Buick, Chevrolet, Kia, Pontiac, and Saturn vehicles. Engineered with durable EPDM material, this hose supports efficient heater core operation in models such as the Caprice, Impala, Optima, and Monte Carlo.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameter hose with 5\/8 inch and 3\/4 inch ends\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple GM and Kia models including Buick Lucerne and Chevrolet Lumina\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDayco Small I.D. Heater Hose Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Small I.D. Heater Hose line by Dayco focuses on providing hoses with dual inside diameters to accommodate specific HVAC system requirements. This design ensures a precise fit and reliable sealing for heater core connections. The 87880 part number represents a hose without heat shields or protective sleeves, suitable for applications where these features are not required.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis HVAC heater hose features a dual inside diameter design, with one end measuring 5\/8 inch and the other 3\/4 inch, allowing it to connect different sized fittings within the heating system. The outside diameters are 15\/16 inch and 1 1\/16 inch respectively. Made from EPDM, the hose offers resistance to heat, ozone, and coolant chemicals, which is critical for maintaining HVAC system integrity. The hose length is 14 inches, providing adequate reach for the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBuick Caprice, Lucerne, Roadmaster\u003c\/li\u003e\n\u003cli\u003eChevrolet Century, Impala, Lumina, Monte Carlo\u003c\/li\u003e\n\u003cli\u003eKia Magentis, Optima\u003c\/li\u003e\n\u003cli\u003ePontiac Grand Prix\u003c\/li\u003e\n\u003cli\u003eSaturn Relay, Terraza, Uplander\u003c\/li\u003e\n\u003cli\u003eAlso compatible with Chevrolet Montana and Buick Terraza\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon HVAC Issues Addressed by This Heater Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHeater core leaks due to worn or cracked hoses\u003c\/li\u003e\n\u003cli\u003eReduced heater performance from restricted coolant flow\u003c\/li\u003e\n\u003cli\u003eCoolant leaks causing engine overheating or HVAC failure\u003c\/li\u003e\n\u003cli\u003eHose swelling or degradation from chemical exposure\u003c\/li\u003e\n\u003cli\u003eImproper hose fit causing connection failures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the hose ends match the heater core and engine fittings (5\/8 inch and 3\/4 inch inside diameters)\u003c\/li\u003e\n\u003cli\u003eInspect clamps and replace if corroded or damaged\u003c\/li\u003e\n\u003cli\u003eVerify hose routing to avoid contact with sharp edges or hot engine components\u003c\/li\u003e\n\u003cli\u003eFlush the cooling system before installation to prevent contamination\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation and during initial engine warm-up\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Small I.D. Heater Hose 87880 to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for HVAC hoses. The EPDM material provides durability under typical operating conditions. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391566315701,"sku":"BCWL-87880","price":30.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_87880_Fro_32da1ba2-56d8-4d27-bc9c-84f9691e0356.jpg?v=1774728788","url":"https:\/\/www.partcatalog.com\/products\/dayco-87880-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}