{"product_id":"gates-18797-hvac-heater-hose","title":"Gates 18797 HVAC Heater Hose","description":"\u003ch2\u003eGates 18797 Molded Heater Hose Overview\u003c\/h2\u003e\u003cp\u003eThe Gates 18797 molded heater hose is an OEM-style coolant hose built for tight engine compartments where a factory-shaped routing path matters. Made from EPDM, it supports coolant, water, and air applications and is also approved for marine use.\u003c\/p\u003e\u003cp\u003eCompatible With select Lexus LS600h, Buick Rainier, Chevrolet Trailblazer, GMC Envoy, Isuzu Rodeo, Honda Passport, Toyota 4Runner, and related applications, this molded heater hose is shaped for direct routing in the listed positions.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFactory-molded design for OE-style hose routing\u003c\/li\u003e\n\u003cli\u003eEPDM construction for heater and coolant service\u003c\/li\u003e\n\u003cli\u003eSmall inside diameter: 0.62 in. \/ 16 mm at both ends\u003c\/li\u003e\n\u003cli\u003eCenterline length: 7.7 in. \/ 196 mm\u003c\/li\u003e\n\u003cli\u003eFits applications with molded hose routing in compact engine bays\u003c\/li\u003e\n\u003cli\u003eApproved for coolant, water, air, and marine applications\u003c\/li\u003e\n\u003cli\u003eGates 18797 is listed for multiple HVAC heater hose positions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eGates Molded Heater Hose line products are built to match the shape and routing needs of modern vehicles with tighter packaging around the engine and HVAC system. Part number 18797 uses a molded EPDM construction with equal 16 mm ends and a 7.7-inch centerline length, making it a practical OE-style replacement where the original hose follows a formed path. This part number 18797 is listed across several vehicle platforms, including Lexus LS600h inverter cooling hose applications and heater-to-pipe or valve-to-tee routing on select Buick, Chevrolet, GMC, Isuzu, Honda, and Toyota models.\u003c\/p\u003e\u003cp\u003eThis part cross-references CSF 10797 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 a molded hose section\u003c\/li\u003e\n\u003cli\u003eRestricted flow caused by a collapsed or deformed hose\u003c\/li\u003e\n\u003cli\u003eIncorrect routing in a tight engine compartment\u003c\/li\u003e\n\u003cli\u003eReplacement needs for heater, coolant, water, or air hose service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Fitment\u003c\/h2\u003e\u003cp\u003eVerify the hose position, end diameter, and centerline length before installation. Fitment includes 2008-2014 Lexus LS600h, inverter cooling hose-6; 2004-2005 Buick Rainier, pipe-1 to engine; 2002-2005 Chevrolet Trailblazer and Trailblazer EXT, pipe-1 to engine; 2002-2005 GMC Envoy and Envoy XL, pipe-1 to engine; 2004-2005 GMC Envoy XUV, pipe-1 to engine; 2003-2005 Isuzu Ascender, pipe-1 to engine; 2002-2004 Oldsmobile Bravada, pipe-1 to engine; 1995-1997 and 1991-1993 Isuzu Rodeo, heater to pipe; 1994-1996 Honda Passport, heater to pipe; 1995 and 1988-1993 Isuzu Pickup, heater to pipe; 1993-1995 Toyota 4Runner, valve to tee-2; 1994 Isuzu Amigo, heater to pipe; 1994 Isuzu Pickup, heater to pipe; 1994 Isuzu Rodeo, heater to pipe; 1993-1994 Toyota Pickup, valve to tee-2; 1989-1993 Isuzu Amigo, heater to pipe; 1991-1992 Toyota 4Runner, valve-2 to tee-2 and valve to engine; and 1991-1992 Toyota Pickup, valve-2 to tee-2 and valve to engine.\u003c\/p\u003e\u003cp\u003eFor Toyota 4Runner, Toyota Pickup, and Honda Passport heater hose replacement, confirm whether the vehicle uses the auxiliary-heater routing noted in the fitment data. For Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and Isuzu Ascender applications, confirm the pipe-1 to engine routing before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates is a recognized aftermarket brand for molded hose applications, and the 18797 follows an OEM-style formed profile for listed vehicle fitments. Use the published dimensions and fitment notes to confirm application match before service.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45303981736117,"sku":"BBSC-18797","price":29.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_18797_Fro_640942b6-acdb-4845-baa2-eb577ad93e7b.jpg?v=1775145736","url":"https:\/\/www.partcatalog.com\/products\/gates-18797-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}