{"product_id":"dayco-88421-hvac-heater-hose","title":"Dayco 88421 HVAC Heater Hose - Heater Outlet","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 88421\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 88421 is designed for reliable HVAC system performance in Acura TL and Nissan Altima vehicles. Constructed from durable EPDM material, this hose ensures consistent heat transfer and resistance to automotive fluids.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMaterial: EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eInside Diameter: 3\/4 inch on both ends\u003c\/li\u003e\n\u003cli\u003eHose Type: Single I.D. hose\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk Height: 22 inches\u003c\/li\u003e\n\u003cli\u003eCompatible with Acura TL and Nissan Altima models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 88421 is engineered to meet stringent SAE standards, including SAE J20R3 Class D-1 and SAE J1684 Type EC, ensuring it withstands the demands of automotive heating and cooling systems. Made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, this hose maintains flexibility and durability under varying temperature conditions. Both ends feature a 3\/4 inch inside diameter, making it suitable for specific HVAC connections in Acura TL and Nissan Altima vehicles. The hose is black in color and does not include a heat shield or protective sleeve, consistent with its design as a single I.D. hose.\u003c\/p\u003e\u003ch2\u003eAbout the Small I.D. Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Small I.D. Heater Hose line from Dayco focuses on providing precise fitment and reliable performance for smaller diameter HVAC applications. This product line is tailored to meet OEM specifications for heater hoses that require a 3\/4 inch inside diameter, ensuring compatibility and durability in vehicle heating systems. The 88421 part number is part of this line, offering a dependable replacement option for Acura TL and Nissan Altima models.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of cracked or leaking heater hoses in Acura TL and Nissan Altima HVAC systems\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks that affect cabin heating performance\u003c\/li\u003e\n\u003cli\u003ePreventing hose collapse or blockage that restricts coolant flow\u003c\/li\u003e\n\u003cli\u003eAddressing hose degradation due to heat and chemical exposure\u003c\/li\u003e\n\u003cli\u003eMaintaining proper heater core function 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 inside diameter matches the vehicle’s HVAC fittings (3\/4 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 without damaging the hose\u003c\/li\u003e\n\u003cli\u003eReplace hoses in pairs when possible to maintain system integrity\u003c\/li\u003e\n\u003cli\u003eCheck for proper routing to avoid kinks or contact with hot engine parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Small I.D. Heater Hose 88421 to meet SAE specifications, ensuring consistent quality and performance. The EPDM material provides resistance to heat, ozone, and automotive fluids, contributing to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry standards for durability and reliability.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391573065909,"sku":"BCWL-88421","price":20.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_88421_Fro.jpg?v=1774728816","url":"https:\/\/www.partcatalog.com\/products\/dayco-88421-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}