{"product_id":"dayco-88425-hvac-heater-hose","title":"Dayco 88425 HVAC Heater Hose - Heater To Engine","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 88425\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 88425 is designed for reliable HVAC system performance in select Buick, Oldsmobile, and Pontiac vehicles. This dual inside diameter hose is engineered to meet specific SAE standards, ensuring compatibility and durability for models like the Aztek, Montana, Rendezvous, and Silhouette.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameters: 5\/8 inch and 23\/32 inch for precise fitment\u003c\/li\u003e\n\u003cli\u003eIncludes a protective sleeve for added abrasion resistance\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eTrunk height dimension of 13 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Small I.D. Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose line focuses on providing HVAC heater hoses with dual inside diameters to accommodate specific vehicle applications. This product line emphasizes material quality and compliance with SAE standards, offering hoses that maintain system integrity and fitment accuracy. The 88425 hose is part of this line, designed to meet the demands of certain Buick, Oldsmobile, and Pontiac models requiring precise hose dimensions and protective features.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dayco 88425 heater hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and automotive fluids, making it suitable for HVAC applications. The hose features two different inside diameters—5\/8 inch on one end and 23\/32 inch on the other—allowing it to connect components with varying sizes within the heating system. A protective sleeve is included to guard against abrasion and wear, although this hose does not contain a heat shield. The black color matches OEM specifications, ensuring a clean installation appearance. Compliance with SAE J20R3 Class D-1 and SAE J1684 Type EC standards confirms the hose's suitability for automotive heating and cooling systems.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Buick Aztek and Pontiac Montana HVAC systems\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks caused by deteriorated heater hoses in Oldsmobile Rendezvous\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant flow and preventing overheating in Pontiac Silhouette heating circuits\u003c\/li\u003e\n\u003cli\u003eAddressing hose fitment issues due to varying inside diameters in HVAC plumbing\u003c\/li\u003e\n\u003cli\u003eProtecting HVAC components from abrasion damage with the included protective sleeve\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eVerify hose inside diameters match the vehicle’s heater core and engine connections before installation\u003c\/li\u003e\n\u003cli\u003eEnsure clamps are properly tightened to prevent leaks without damaging the hose\u003c\/li\u003e\n\u003cli\u003eInspect surrounding components for wear or damage during replacement\u003c\/li\u003e\n\u003cli\u003eRoute the hose carefully to avoid contact with sharp edges or moving parts\u003c\/li\u003e\n\u003cli\u003eReplace any worn clamps or fittings to maintain system integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco manufactures the Small I.D. Heater Hose 88425 to meet stringent SAE specifications, ensuring consistent quality and performance. The use of EPDM material and protective sleeve enhances durability under typical automotive operating conditions. While specific warranty details are not provided here, Dayco products generally adhere to industry standards for reliability and are backed by manufacturer support for defects in material and workmanship.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391573196981,"sku":"BCWL-88425","price":29.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_88425_Fro.jpg?v=1774728817","url":"https:\/\/www.partcatalog.com\/products\/dayco-88425-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}