{"product_id":"dayco-70873-hvac-heater-hose","title":"Dayco 70873 HVAC Heater Hose - Heater To Engine or Heater To Pipe","description":"\u003ch2\u003eOverview of Dayco Curved Radiator Hose 70873\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 70873 is designed to provide reliable coolant flow in HVAC systems for select Kia, Mercury, and Toyota vehicles. Engineered with durable EPDM material, this black single inside diameter hose ensures consistent performance in demanding automotive environments.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color with 5\/8 inch inside diameter on both ends\u003c\/li\u003e\n\u003cli\u003eComplies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards\u003c\/li\u003e\n\u003cli\u003eSingle inside diameter hose type with a trunk height of 9 1\/2 inches\u003c\/li\u003e\n\u003cli\u003eCompatible with Kia Sorento, Mercury Grand Marquis, and Toyota Tundra models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco Curved Radiator Hose 70873 is part of the Curved Radiator Hose product line, which focuses on delivering precise fit and durability for HVAC heater hose applications. This hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids, making it suitable for maintaining HVAC system integrity. The hose features a consistent 5\/8 inch inside diameter on both ends, ensuring proper coolant flow and connection compatibility. It meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, confirming its suitability for automotive HVAC systems. The hose’s black color and 9 1\/2 inch trunk height provide a clean, functional fit within the engine bay.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplaces worn or cracked heater hoses in Kia Sorento HVAC systems\u003c\/li\u003e\n\u003cli\u003eRestores proper coolant flow in Mercury Grand Marquis heater circuits\u003c\/li\u003e\n\u003cli\u003ePrevents coolant leaks and overheating issues in Toyota Tundra HVAC units\u003c\/li\u003e\n\u003cli\u003eAddresses hose degradation caused by heat and chemical exposure\u003c\/li\u003e\n\u003cli\u003eEliminates fitment issues with a precise 5\/8 inch inside diameter on both ends\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the hose is routed without kinks or sharp bends to maintain coolant flow\u003c\/li\u003e\n\u003cli\u003eVerify the 5\/8 inch inside diameter matches the vehicle’s heater hose fittings\u003c\/li\u003e\n\u003cli\u003eInspect clamps and replace if necessary to secure the hose properly\u003c\/li\u003e\n\u003cli\u003eAllow the engine to cool before removing the old hose to avoid burns\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation by running the HVAC system and monitoring coolant flow\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Curved Radiator Hose 70873 to meet stringent SAE standards, ensuring reliable performance in automotive HVAC applications. While specific warranty details are not provided, Dayco products typically adhere to industry quality controls and are designed for durability and long service life in compatible Kia Sorento, Mercury Grand Marquis, and Toyota Tundra vehicles.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43389883056309,"sku":"BCWL-70873","price":22.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_70873_Fro.jpg?v=1774728316","url":"https:\/\/www.partcatalog.com\/products\/dayco-70873-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}