{"product_id":"gates-19203-hvac-heater-hose","title":"Gates 19203 HVAC Heater Hose - Heater Inlet or Heater Outlet","description":"\u003ch2\u003eGates 19203 Molded Heater Hose Overview\u003c\/h2\u003e\u003cp\u003eThe Gates 19203 molded heater hose is an OEM-style coolant hose built for tight engine bays and factory-style routing. It is formed to match the original path on select Nissan Frontier and Xterra applications, helping maintain proper coolant flow through the heater circuit.\u003c\/p\u003e\u003cp\u003eMade from EPDM and factory-molded for a precise fit, this Gates Molded Heater Hose line is engineered for coolant, water, and air service, and it is also approved for marine applications. The 19203 part number is a direct replacement option for vehicles that need a small I.D. molded hose with the correct bends and end sizes.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGates Molded Heater Hose, part number 19203\u003c\/li\u003e\n\u003cli\u003eFactory-molded, OE-style shape for tighter engine compartments\u003c\/li\u003e\n\u003cli\u003eEPDM construction for heater and coolant service\u003c\/li\u003e\n\u003cli\u003eEnd I.D. sizes: 16 mm (.63 in) and 19 mm (.73 in)\u003c\/li\u003e\n\u003cli\u003eCenterline length: 450 mm (17.7 in)\u003c\/li\u003e\n\u003cli\u003eFits select Nissan Frontier and Nissan Xterra heater outlet and heater inlet locations\u003c\/li\u003e\n\u003cli\u003eApproved for coolant, water, air, and marine applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eGates 19203 is a molded heater hose designed around the packaging demands of modern engine compartments. Its factory-formed shape helps it follow the original hose routing on select Nissan Frontier and Nissan Xterra models, reducing the need to force a straight hose into a curved path. The EPDM material is suited for heater hose service where coolant circulation and temperature resistance matter.\u003c\/p\u003e\u003cp\u003eThis part cross-references Dayco 87788 for the same application. It is a practical replacement for 1999-2004 Nissan Frontier heater outlet, 2000-2004 Nissan Xterra heater outlet, and 2002 Nissan Frontier heater inlet applications. If you are searching for a molded heater hose for Nissan Frontier or a heater hose for Nissan Xterra, the 19203 provides the correct molded profile and small inside diameters for those factory connections.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Fix\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks at a worn or cracked heater hose\u003c\/li\u003e\n\u003cli\u003eImproper hose routing in a tight engine compartment\u003c\/li\u003e\n\u003cli\u003eHeat-related hose deterioration\u003c\/li\u003e\n\u003cli\u003eRestricted heater coolant flow from a damaged hose\u003c\/li\u003e\n\u003cli\u003eFitment issues when a straight hose does not match the original bend\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the heater outlet or heater inlet location before installation and compare the hose shape, end diameters, and centerline length to the original part. On Nissan Frontier and Xterra applications, confirm that the molded routing matches the factory path so the hose does not twist or kink after installation. Inspect adjoining clamps, pipes, and coolant connections for wear before reassembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates is known for OE-style hose construction and application-specific molded designs. The 19203 molded heater hose is built to match the demands of factory coolant routing in select Nissan applications and is suitable for coolant, water, air, and marine service.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307134247093,"sku":"BBSC-19203","price":29.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_19203_Fro_dad4166e-231d-4557-9715-ce67b71bad5d.jpg?v=1775145792","url":"https:\/\/www.partcatalog.com\/products\/gates-19203-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}