{"product_id":"dayco-88374-hvac-heater-hose","title":"Dayco 88374 HVAC Heater Hose - Heater Outlet, Heater To Engine or Heater To Pipe","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 88374\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 88374 is designed for reliable HVAC system performance in select Chrysler, Dodge, Ford, Mercury, and Suzuki vehicles. 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 single inside diameter hose with 3\/4 inch ID on both ends\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height dimension of 9 inches for precise fitment\u003c\/li\u003e\n\u003cli\u003eCompatible with Chrysler 300M, Dodge Intrepid, Ford Tempo, Mercury Topaz, Suzuki XL-7, and related models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 88374 is part of the Small I.D. Heater Hose product line, which focuses on delivering hoses with smaller inside diameters tailored for HVAC heater core connections. This hose is constructed from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids, making it suitable for heater core applications. Both ends of the hose have a 3\/4 inch inside diameter, ensuring compatibility with OEM fittings and maintaining proper coolant flow.\u003c\/p\u003e\u003cp\u003eDesigned as a single inside diameter hose without heat shields or protective sleeves, this hose meets SAE J20R3 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive heating and cooling systems. The 9-inch trunk height dimension supports proper routing and fitment in the specified vehicle models.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eChrysler 300M, Concorde, Intrepid, LHS\u003c\/li\u003e\n\u003cli\u003eDodge Intrepid\u003c\/li\u003e\n\u003cli\u003eFord Tempo\u003c\/li\u003e\n\u003cli\u003eMercury Topaz\u003c\/li\u003e\n\u003cli\u003eSuzuki XL-7\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis heater hose is intended for use in HVAC systems to transport heated coolant from the engine to the heater core, facilitating cabin heating.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by Dayco 88374 Heater Hose\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eLeaking or cracked heater hoses causing coolant loss\u003c\/li\u003e\n\u003cli\u003eReduced heater core performance due to hose degradation\u003c\/li\u003e\n\u003cli\u003eSwelling or softening of hoses from heat exposure\u003c\/li\u003e\n\u003cli\u003eIncorrect hose diameter leading to poor fit or coolant flow restrictions\u003c\/li\u003e\n\u003cli\u003eFailure to meet SAE specifications resulting in premature hose failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool before beginning installation to avoid burns from hot coolant. Verify the 3\/4 inch inside diameter matches the OEM hose connections on your vehicle. Inspect hose routing to prevent kinks or contact with moving parts. Use appropriate clamps to secure the hose ends firmly. Replace any worn or damaged clamps during installation for optimal sealing.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco Small I.D. Heater Hose 88374 is manufactured to meet SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring durability and performance in automotive HVAC systems. While specific warranty details are not provided, Dayco products typically adhere to industry quality standards for replacement hoses.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391571132597,"sku":"BCWL-88374","price":15.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_88374_Fro.jpg?v=1774728807","url":"https:\/\/www.partcatalog.com\/products\/dayco-88374-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}