{"product_id":"dayco-86836-hvac-heater-hose","title":"Dayco 86836 HVAC Heater Hose - Coolant Reservoir or Radiator To Engine","description":"\u003ch2\u003eOverview of Dayco Small I.D. Heater Hose 86836\u003c\/h2\u003e\u003cp\u003eThe Dayco Small I.D. Heater Hose 86836 is designed for reliable HVAC system performance in select Cadillac, Chevrolet, GMC, Saab, and Toyota vehicles. Engineered with durable EPDM material, this heater hose supports efficient coolant flow and temperature regulation in your vehicle's heating system.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality EPDM for heat and chemical resistance\u003c\/li\u003e\n\u003cli\u003eBlack color for standard OEM appearance\u003c\/li\u003e\n\u003cli\u003eSingle inside diameter hose with 1\/4 inch and 9\/32 inch ends\u003c\/li\u003e\n\u003cli\u003eOutside diameter of 17\/32 inch on both ends for secure fit\u003c\/li\u003e\n\u003cli\u003eMeets SAE J20R3 Class D-1 and SAE J1684 Type EC specifications\u003c\/li\u003e\n\u003cli\u003eTrunk height of 29 1\/2 inches for proper routing\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 durability for HVAC applications requiring smaller inside diameter hoses. This product line is engineered to meet stringent SAE standards, ensuring compatibility and performance in heating systems of various vehicle makes and models. The 86836 hose exemplifies this line’s commitment to quality materials and exact dimensions for dependable service.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis HVAC heater hose features a single inside diameter design with differing end sizes—1\/4 inch on one end and 9\/32 inch on the other—allowing for versatile connection options within the heating system. The EPDM construction offers resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. Both ends have an outside diameter of 17\/32 inch, facilitating a secure seal with clamps or fittings. The hose length, with a trunk height of 29 1\/2 inches, supports proper installation and routing in compatible vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCadillac Escalade, Escalade ESV, Escalade EXT\u003c\/li\u003e\n\u003cli\u003eChevrolet Avalanche, Avalanche 1500, Silverado 1500, Silverado 2500, Silverado 3500, Suburban 1500, Suburban 2500, Tahoe, Trailblazer, Express 1500\/2500\/3500\u003c\/li\u003e\n\u003cli\u003eGMC Sierra 1500\/2500\/3500 (including Classic and HD variants), Yukon, Yukon XL 1500\/2500, Envoy, Savana 1500\/2500\/3500\u003c\/li\u003e\n\u003cli\u003eSaab 9-7x\u003c\/li\u003e\n\u003cli\u003eToyota Yaris\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by Dayco Heater Hose 86836\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of cracked or leaking heater hoses causing coolant loss\u003c\/li\u003e\n\u003cli\u003eResolving heater core flow restrictions due to deteriorated hose material\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to faulty HVAC coolant circulation\u003c\/li\u003e\n\u003cli\u003eEliminating coolant odors inside the vehicle from hose leaks\u003c\/li\u003e\n\u003cli\u003eMaintaining proper heater system pressure and temperature control\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the vehicle is cool and the cooling system is depressurized before removing the old heater hose. Verify the hose ends match the specified inside diameters (1\/4 inch and 9\/32 inch) for proper fit. Use appropriate clamps to secure the hose ends and check for leaks after installation. Routing should follow OEM guidelines to avoid kinks or contact with hot engine components, as this hose does not include a heat shield or protective sleeve.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDayco Small I.D. Heater Hose 86836 complies with SAE J20R3 Class D-1 and SAE J1684 Type EC standards, ensuring material and dimensional quality for HVAC applications. Manufactured with EPDM rubber, this hose offers resistance to heat and coolant chemicals for extended service life. Warranty coverage details should be confirmed with the original equipment manufacturer or supplier.\u003c\/p\u003e","brand":"Dayco","offers":[{"title":"Default Title","offer_id":43391550030005,"sku":"BCWL-86836","price":27.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/DY_86836_Fro.jpg?v=1774728734","url":"https:\/\/www.partcatalog.com\/products\/dayco-86836-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}