{"product_id":"dayco-88452-hvac-heater-hose","title":"Dayco 88452 HVAC Heater Hose - Valve To Engine","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 88452\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 88452 is designed for reliable HVAC system performance in select Chevrolet, GMC, and Nissan vehicles. Engineered with durable EPDM material, this hose ensures consistent heat transfer and long service life in demanding automotive environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color with protective sleeve for added durability\u003c\/li\u003e\n\u003cli\u003e3\/4 inch inside diameter on both ends for precise fit\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards\u003c\/li\u003e\n\u003cli\u003eSingle I.D. hose type with 15 1\/2 inch trunk height\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet Express 1500, 2500, 3500; GMC Savana 1500, 2500, 3500; and Nissan Quest models\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 smaller inside diameters tailored for HVAC applications requiring precise fit and reliable heat resistance. This product line emphasizes durability and compliance with SAE specifications, making it suitable for replacement in various light trucks and vans where OEM specifications demand EPDM material and protective sleeves.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco 88452 heater hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have a 3\/4 inch inside diameter and a 1 3\/32 inch outside diameter, ensuring a secure connection within the HVAC system. The hose includes a protective sleeve to guard against abrasion and environmental damage, although it does not contain a heat shield. Its compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards confirms its suitability for automotive heating and cooling systems. The hose length, with a trunk height of 15 1\/2 inches, fits the specified vehicle models precisely.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Chevrolet Express and GMC Savana vans\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks within the HVAC heater core circuit\u003c\/li\u003e\n\u003cli\u003ePreventing overheating caused by restricted or damaged heater hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining proper heater core function in Nissan Quest vehicles\u003c\/li\u003e\n\u003cli\u003eUpgrading OEM hoses with a durable EPDM construction for extended service life\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the hose diameter matches the vehicle’s heater core and fittings (3\/4 inch I.D.)\u003c\/li\u003e\n\u003cli\u003eInspect clamps and fittings for corrosion or damage before installation\u003c\/li\u003e\n\u003cli\u003eRoute the hose carefully to avoid contact with sharp edges or moving parts\u003c\/li\u003e\n\u003cli\u003eVerify the protective sleeve remains intact and properly positioned during installation\u003c\/li\u003e\n\u003cli\u003eFlush the cooling system if replacing due to contamination or clogging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Small I.D. Heater Hose 88452 to meet stringent SAE standards, ensuring reliable performance in automotive HVAC systems. The EPDM material and protective sleeve contribute to the hose’s durability under typical operating conditions. While specific warranty details are not provided, Dayco products generally adhere to industry quality controls and are backed by the brand’s commitment to automotive replacement parts standards.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391574048949,"sku":"BCWL-88452","price":30.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_88452_Fro.jpg?v=1774728822","url":"https:\/\/www.partcatalog.com\/products\/dayco-88452-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}