{"product_id":"gates-19378-hvac-heater-hose","title":"Gates 19378 HVAC Heater Hose - Heater - Lower To Tee","description":"\u003ch2\u003eOverview of Gates Molded Heater Hose 19378\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Heater Hose 19378 is designed specifically for Toyota Sienna models, providing reliable HVAC system performance. Constructed from durable EPDM material, this molded heater hose ensures consistent heat transfer 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\u003eMolded design for precise fit and easy installation\u003c\/li\u003e\n\u003cli\u003eCenterline length of 251 mm (9.9 inches) for accurate replacement\u003c\/li\u003e\n\u003cli\u003eInside diameter of 0.63 inches (16 mm) on both ends for proper flow\u003c\/li\u003e\n\u003cli\u003eCompatible with Toyota Sienna models requiring part number 19378\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Heater Hose 19378 is engineered to meet the exact specifications of the Toyota Sienna HVAC system. Its EPDM construction offers excellent resistance to heat, ozone, and automotive fluids, making it suitable for the demanding environment of the heater core circuit. The molded design ensures a precise fit, reducing the risk of leaks and simplifying installation. With a centerline length of 251 mm (9.9 inches) and consistent inside diameters of 0.63 inches (16 mm) on both ends, this hose maintains proper coolant flow and system efficiency.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement of worn or cracked heater hoses in Toyota Sienna HVAC systems\u003c\/li\u003e\n\u003cli\u003eResolving coolant leaks that cause reduced heating performance\u003c\/li\u003e\n\u003cli\u003ePreventing overheating issues related to faulty heater hose connections\u003c\/li\u003e\n\u003cli\u003eMaintaining proper coolant circulation to the heater core\u003c\/li\u003e\n\u003cli\u003eEliminating hose collapse or blockage that impairs HVAC function\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the vehicle is cool before removing the old heater hose to avoid burns\u003c\/li\u003e\n\u003cli\u003eVerify the part number 19378 matches the original hose for compatibility with Toyota Sienna\u003c\/li\u003e\n\u003cli\u003eInspect hose connections and clamps for wear and replace if necessary\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging the molded hose during installation\u003c\/li\u003e\n\u003cli\u003eCheck for leaks after installation by running the engine and monitoring the HVAC system\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates Molded Heater Hose products are manufactured to meet stringent quality standards, ensuring durability and reliable performance in automotive HVAC applications. The EPDM material and molded construction contribute to the hose's resistance to heat and chemical exposure. While specific warranty details for part number 19378 should be confirmed with the supplier, Gates typically offers coverage against manufacturing defects to support customer confidence.\u003c\/p\u003e\u003ch2\u003eAbout the Gates Molded Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Molded Heater Hose line by Gates focuses on delivering precise-fit hoses designed for specific vehicle applications. These hoses are molded to exact OEM specifications, which helps reduce installation time and potential fitment issues. The use of EPDM material in this product line provides enhanced resistance to heat, ozone, and automotive fluids, making them suitable for critical HVAC system components like the heater core circuit. The 19378 part exemplifies this approach by offering a tailored solution for Toyota Sienna models requiring a reliable heater hose replacement.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45307146895541,"sku":"BBSC-19378","price":34.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_19378_Fro.jpg?v=1775145807","url":"https:\/\/www.partcatalog.com\/products\/gates-19378-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}