{"product_id":"gates-18791-hvac-heater-hose","title":"Gates 18791 HVAC Heater Hose","description":"\u003ch2\u003eGates 18791 Molded Heater Hose Overview\u003c\/h2\u003e\u003cp\u003eThe Gates 18791 molded heater hose is a factory-molded, OE-style coolant hose built for tight engine bays and precise routing. Made from EPDM, it serves coolant, water, and air applications and is also approved for marine use.\u003c\/p\u003e\u003cp\u003eFor Subaru Legacy and Outback service, as well as Chevrolet Cruze, Sonic, Trax, and Buick Encore cooling-system repairs, this molded hose helps restore the original hose path and fitment. Gates Molded Heater Hose 18791 is shaped for applications where a straight hose will not follow the factory route.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEPDM construction for coolant, water, and air service\u003c\/li\u003e\n\u003cli\u003eFactory-molded shape for OEM-style routing in compact engine compartments\u003c\/li\u003e\n\u003cli\u003eSmall inside diameter of 16 mm (0.62 in) at both ends\u003c\/li\u003e\n\u003cli\u003eCenterline length of 188 mm (7.4 in)\u003c\/li\u003e\n\u003cli\u003eApproved for marine applications\u003c\/li\u003e\n\u003cli\u003eDirect replacement style for molded heater hose and coolant hose service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eGates 18791 is a molded coolant hose from the Gates Molded Heater Hose line, engineered for vehicles that require a formed hose to maintain proper routing and clearance. The EPDM rubber construction supports heat and coolant exposure, while the molded profile helps match the original hose path in tighter engine compartments. This part is used in HVAC and cooling-system routing where a straight hose would not duplicate the factory bend.\u003c\/p\u003e\u003cp\u003eIt fits applications such as 2015-2021 Buick Encore oil cooler inlet, 2014-2021 Chevrolet Trax oil cooler inlet, 2011-2015 Chevrolet Cruze oil cooler inlet, and 2010-2018 Subaru Legacy pipe to cylinder head (left). It also applies to Subaru Outback, Tribeca, B9 Tribeca, Impreza, Mazda RX-7, Nissan 280ZX, and other listed vehicles. This part cross-references Dorman - OE Solutions 667-521 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Hose Can Help Solve\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or leaking molded heater hose\u003c\/li\u003e\n\u003cli\u003eCollapsed hose routing in a tight engine compartment\u003c\/li\u003e\n\u003cli\u003eCoolant seepage at a worn oil cooler inlet or thermostat connection\u003c\/li\u003e\n\u003cli\u003eImproper hose fit after a previous repair with a non-molded hose\u003c\/li\u003e\n\u003cli\u003eLoss of factory-style routing on Subaru, Chevrolet, Buick, Mazda, or Nissan cooling-system service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify end inside diameter, centerline length, and molded shape against the removed hose before installation. Confirm the hose route and connection points for your specific vehicle, especially on Subaru Legacy and Outback thermostat routing and Chevrolet Cruze or Trax oil cooler inlet applications. Inspect adjoining pipes, clamps, and fittings for wear or corrosion before installing the new hose.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates manufactures this molded heater hose as an OE-style replacement part for cooling-system service. The molded EPDM construction and application-specific shape support accurate fitment on the listed vehicles, including Chevrolet Cruze, Chevrolet Sonic, Subaru Outback, and Buick Encore.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45303980130485,"sku":"BBSC-18791","price":19.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_18791_Fro_238aa8f1-85a8-4699-8b9f-0fc1d07e9931.jpg?v=1775145734","url":"https:\/\/www.partcatalog.com\/products\/gates-18791-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}