{"product_id":"dayco-88405-hvac-heater-hose","title":"Dayco 88405 HVAC Heater Hose - Thermostat To Heater","description":"\u003ch2\u003eDayco Small I.D. Heater Hose for HVAC Service\u003c\/h2\u003e\u003cp\u003eDayco 88405 is a Small I.D. Heater Hose built for heater circuit service in select Chevrolet, GMC, and Isuzu applications. It uses EPDM construction with a protective sleeve to support heat and abrasion resistance in the thermostat-to-heater routing.\u003c\/p\u003e\u003cp\u003eThis Dayco heater hose is sized with a 23\/32 in. inside diameter at both ends and follows SAE J20R3 Class D-1 and SAE J1684 Type EC specifications. It is a direct-fit HVAC heater hose for 1998-2003 Chevrolet S10, 1998-2003 GMC Sonoma, and 1998-2000 Isuzu Hombre thermostat to heater applications.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEPDM rubber construction for heater hose service\u003c\/li\u003e\n\u003cli\u003eBlack finish for a factory-style appearance\u003c\/li\u003e\n\u003cli\u003e23\/32 in. inside diameter at both ends\u003c\/li\u003e\n\u003cli\u003eSingle I.D. hose design for thermostat-to-heater routing\u003c\/li\u003e\n\u003cli\u003eProtective sleeve included; heat shield not included\u003c\/li\u003e\n\u003cli\u003eBuilt to SAE J20R3 Class D-1 and SAE J1684 Type EC requirements\u003c\/li\u003e\n\u003cli\u003eDayco 88405 heater hose for select compact truck and pickup applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eDayco’s Small I.D. Heater Hose line focuses on replacement hoses for heater and coolant transfer paths where correct diameter and routing matter. Part number 88405 is formed from EPDM and includes a protective sleeve to help protect the hose in underhood areas near the thermostat and heater connection points. For buyers searching for a Chevrolet S10 heater hose, GMC Sonoma heater hose, or Isuzu Hombre heater hose, this part number 88405 matches the listed thermostat to heater applications.\u003c\/p\u003e\u003cp\u003eThis hose cross-references ACDelco 14268S and Gates 19747 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Hose Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or hardened heater hose material\u003c\/li\u003e\n\u003cli\u003eCoolant seepage at the thermostat-to-heater line\u003c\/li\u003e\n\u003cli\u003eRestricted heater flow from a deteriorated hose\u003c\/li\u003e\n\u003cli\u003eHeat-related wear in the hose routing area\u003c\/li\u003e\n\u003cli\u003eIncorrect hose diameter during heater hose replacement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify the 23\/32 in. inside diameter before installation.\u003c\/li\u003e\n\u003cli\u003eMatch the thermostat-to-heater routing shown on the vehicle.\u003c\/li\u003e\n\u003cli\u003eInspect adjoining clamps, fittings, and nearby coolant hoses for wear before reassembly.\u003c\/li\u003e\n\u003cli\u003eConfirm clearance around the protective sleeve so the hose does not rub against adjacent components.\u003c\/li\u003e\n\u003cli\u003eDrain and refill coolant according to the vehicle service procedure after hose replacement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eDayco 88405 is manufactured to SAE J20R3 Class D-1 and SAE J1684 Type EC specifications, supporting consistent heater hose performance for the listed applications.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391571886261,"sku":"BCWL-88405","price":32.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_88405_Fro.jpg?v=1774728812","url":"https:\/\/www.partcatalog.com\/products\/dayco-88405-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}