{"product_id":"dayco-87728-hvac-heater-hose","title":"Dayco 87728 HVAC Heater Hose - Heater To Pipe or Heater To Pipe-2","description":"\u003ch2\u003eDayco Small I.D. Heater Hose for Mazda Miata\u003c\/h2\u003e\u003cp\u003eDayco 87728 is a small I.D. heater hose built for heater circuit routing where a 5\/8 in. inside diameter is required at both ends. Made from EPDM and finished in black, it provides a direct replacement option for select Mazda Miata heater-to-pipe applications.\u003c\/p\u003e\u003cp\u003eThis Dayco Small I.D. Heater Hose line focuses on OE-style heater hose service with SAE J20R3 Class D-1 and SAE J1684 Type EC compliance. For buyers searching for a 1990-1992 Mazda Miata heater hose, Dayco 87728 matches the listed heater-to-pipe locations and dimensions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: Dayco\u003c\/li\u003e\n\u003cli\u003ePart number: 87728\u003c\/li\u003e\n\u003cli\u003eSmall I.D. heater hose design\u003c\/li\u003e\n\u003cli\u003eEPDM construction for heater hose service\u003c\/li\u003e\n\u003cli\u003eBlack finish\u003c\/li\u003e\n\u003cli\u003e5\/8 in. inside diameter at End 1 and End 2\u003c\/li\u003e\n\u003cli\u003eSAE J20R3 Class D-1 and SAE J1684 Type EC specification\u003c\/li\u003e\n\u003cli\u003eSingle I.D. hose configuration\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDayco 87728 is an HVAC heater hose intended for coolant transfer in heater plumbing where a uniform 5\/8 in. inside diameter is required. Its EPDM construction and SAE-rated specification support use in heater-to-pipe routing on the Mazda Miata, including 1990-1991 Mazda Miata, Heater To Pipe, and 1992 Mazda Miata, Heater To Pipe-2. If you are sourcing a replacement heater hose for a Mazda Miata cooling and HVAC repair, this part number provides a direct fit reference for those listed positions.\u003c\/p\u003e\u003cp\u003eDayco’s Small I.D. Heater Hose product line is aimed at replacement hose applications that need consistent sizing and standard heater-hose construction. Part number 87728 is also a useful cross-reference point when comparing listings for the same application.\u003c\/p\u003e\u003cp\u003eThis part cross-references Gates 18736 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems It Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or hardened heater hose material\u003c\/li\u003e\n\u003cli\u003eCoolant seepage at heater-to-pipe connections\u003c\/li\u003e\n\u003cli\u003eRestricted heater coolant flow from deteriorated hose walls\u003c\/li\u003e\n\u003cli\u003eIncorrect hose sizing during Mazda Miata heater hose replacement\u003c\/li\u003e\n\u003cli\u003eService replacement for aging EPDM heater hose routing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the 5\/8 in. inside diameter at both ends before installation and compare the routing to the original heater-to-pipe hose on the vehicle. Inspect adjoining pipes, clamps, and coolant passages for wear or corrosion before reassembly. This hose does not include a heat shield or protective sleeve, so confirm surrounding clearance and routing before final installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco heater hoses are built to meet listed SAE specifications for heater hose service. For buyers maintaining a 1990-1992 Mazda Miata cooling system, Dayco 87728 offers a specification-based replacement option backed by Dayco’s established hose product line.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391555731637,"sku":"BCWL-87728","price":23.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_87728_Fro.jpg?v=1774728760","url":"https:\/\/www.partcatalog.com\/products\/dayco-87728-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}