{"product_id":"gates-12354-hvac-heater-hose-auxiliary-heater-pipe-4-to-auxiliary-heater-pipe-5","title":"Gates 12354 HVAC Heater Hose - Auxiliary Heater Pipe-4 To Auxiliary Heater Pipe-5","description":"\u003ch2\u003eOverview of Gates Molded Heater Hose 12354\u003c\/h2\u003e\u003cp\u003eThe Gates Molded Heater Hose 12354 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.\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 157 mm (6.18 inches) for exact fitment\u003c\/li\u003e\n\u003cli\u003eInside diameter of 0.62 inches (16 mm) on both ends\u003c\/li\u003e\n\u003cli\u003eCompatible with Toyota Sienna HVAC systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eAbout the Molded Heater Hose Product Line\u003c\/h2\u003e\u003cp\u003eThe Molded Heater Hose line by Gates focuses on delivering hoses that are pre-formed to match specific vehicle HVAC configurations. This reduces installation time and ensures a secure, leak-free connection. The 12354 part is part of this line, engineered to meet the exact specifications required for the Toyota Sienna’s heating system.\u003c\/p\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThis HVAC heater hose is made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 0.62 inches (16 mm), making it compatible with standard heater core and engine connections. The molded design maintains the hose’s shape and routing, preventing kinks and ensuring optimal coolant flow. With a centerline length of 157 mm (6.18 inches), the hose fits precisely within the Toyota Sienna’s HVAC system without modification.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\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 heating inefficiency\u003c\/li\u003e\n\u003cli\u003ePreventing hose collapse or kinking that restricts coolant flow\u003c\/li\u003e\n\u003cli\u003eMaintaining proper heater core function for cabin heating\u003c\/li\u003e\n\u003cli\u003eEnsuring reliable coolant circulation in the vehicle’s heating circuit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Gates Molded Heater Hose 12354, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose routing matches the original to avoid interference with other engine components. Use appropriate clamps to secure both ends firmly, preventing leaks. The molded shape aids in proper alignment, reducing installation time.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eGates manufactures the Molded Heater Hose 12354 to meet OEM specifications for durability and performance. The EPDM material provides resistance to heat and automotive fluids, contributing to a longer service life. While specific warranty details are not provided, Gates products typically adhere to industry standards for quality and reliability.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":52135977222325,"sku":"BBSC-12354","price":23.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_12354_Top.jpg?v=1775231743","url":"https:\/\/www.partcatalog.com\/products\/gates-12354-hvac-heater-hose-auxiliary-heater-pipe-4-to-auxiliary-heater-pipe-5","provider":"PartCatalog","version":"1.0","type":"link"}