{"product_id":"dayco-87954-hvac-heater-hose","title":"Dayco 87954 HVAC Heater Hose - Heater Outlet","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 87954\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 87954 is designed for reliable HVAC system performance in select BMW models. Engineered with durable EPDM material and a protective sleeve, this hose ensures efficient coolant flow and long-lasting service in your vehicle's heating system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM material for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eDual inside diameter hose with 11\/16 inch and 3\/4 inch ends\u003c\/li\u003e\n\u003cli\u003eBlack color with protective sleeve for added durability\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple BMW models including 1 Series M, 128i, 135i, 323i, 328i, 330i, 335i, 740i, and X1\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDayco Small I.D. Heater Hose Product Line Details\u003c\/h2\u003e\u003cp\u003eThe Small I.D. Heater Hose line by Dayco focuses on providing precise fitment and reliable performance for HVAC systems requiring smaller inside diameter hoses. This product line emphasizes durability and compliance with SAE standards, making it suitable for specific applications such as the BMW models listed. The inclusion of a protective sleeve enhances hose longevity by guarding against abrasion and environmental factors.\u003c\/p\u003e\u003ch2\u003eTechnical Description and Specifications\u003c\/h2\u003e\u003cp\u003eThis HVAC heater hose features a dual inside diameter design, with one end measuring 11\/16 inch and the other 3\/4 inch inside diameter, both having an outside diameter of 1 3\/32 inches. The hose is constructed from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. The black hose includes a protective sleeve but does not contain a heat shield. It complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for heater hoses.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in BMW 1 Series M, 128i, 135i, 323i, 328i, 330i, 335i, 740i, and X1 models\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks within the HVAC heating system\u003c\/li\u003e\n\u003cli\u003ePreventing overheating caused by restricted or damaged heater hoses\u003c\/li\u003e\n\u003cli\u003eMaintaining proper heater core function and cabin heating efficiency\u003c\/li\u003e\n\u003cli\u003eAddressing hose deterioration due to exposure to heat and chemicals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the engine is cool before beginning installation to avoid burns from hot coolant. Inspect hose connections and clamps for wear and replace if necessary. Verify the correct orientation of the dual inside diameter ends to match the vehicle’s HVAC system fittings. Use appropriate tools to avoid damaging the hose or fittings during installation. After installation, check for leaks and proper coolant flow during engine warm-up.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco Small I.D. Heater Hose 87954 is manufactured to meet strict SAE specifications, ensuring consistent quality and performance. The EPDM material and protective sleeve contribute to extended service life under normal operating conditions. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391567921333,"sku":"BCWL-87954","price":39.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_87954_Fro_3b4a14da-4a65-4458-9c64-d192863d40f2.jpg?v=1774728798","url":"https:\/\/www.partcatalog.com\/products\/dayco-87954-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}