{"product_id":"gates-18476-hvac-heater-hose","title":"Gates 18476 HVAC Heater Hose - Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4","description":"\u003ch2\u003eGates Molded Heater Hose for Toyota Sienna\u003c\/h2\u003e\u003cp\u003eGates Part Number 18476 is a molded heater hose built for tight engine compartments where a straight hose will not route correctly. It is an OEM-style coolant hose formed to match the application on 2004-2006 Toyota Sienna models at the auxiliary heater pipe connection.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFactory-molded shape for accurate routing in compact engine bays\u003c\/li\u003e\n\u003cli\u003eEPDM construction for coolant, water, and air service\u003c\/li\u003e\n\u003cli\u003eSmall I.D. hose design with 0.5 in. (13 mm) end 1 and 0.63 in. (16 mm) end 2\u003c\/li\u003e\n\u003cli\u003eCenterline length of 14.6 in. (371 mm)\u003c\/li\u003e\n\u003cli\u003eApproved for marine applications\u003c\/li\u003e\n\u003cli\u003eOE-style replacement for the Gates Molded Heater Hose line\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eThis Gates molded coolant hose is part of the Molded Heater Hose product line, which focuses on factory-formed routing for vehicles with limited clearance. Part Number 18476 is shaped to follow the original hose path on the Toyota Sienna, helping maintain proper coolant flow between the auxiliary heater pipe-3 and auxiliary heater pipe-4 connection points. This part cross-references Davico Mfg 18476 for the same application.\u003c\/p\u003e\u003cp\u003eCompatible With 2004-2006 Toyota Sienna, Auxiliary Heater Pipe-3 To Auxiliary Heater Pipe-4. Use Gates 18476 when replacing a molded heater hose that must match the original bend profile and small inside diameter requirements of the vehicle’s HVAC coolant circuit.\u003c\/p\u003e\u003ch2\u003eCommon Replacement Issues\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or hardened heater hose material\u003c\/li\u003e\n\u003cli\u003eCoolant seepage at a molded hose bend\u003c\/li\u003e\n\u003cli\u003ePoor routing from a hose that no longer holds its formed shape\u003c\/li\u003e\n\u003cli\u003eRestricted heater circuit flow caused by hose deterioration\u003c\/li\u003e\n\u003cli\u003eFitment problems when a universal hose does not match the original contour\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the hose routing, end diameters, and centerline length against the removed part before installation. Confirm the connection points on the 2004-2006 Toyota Sienna auxiliary heater pipe assembly and inspect adjoining clamps, pipes, and sealing surfaces for wear or corrosion. Proper alignment of the molded shape is important for clearance in tight engine compartments.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eGates manufactures this hose as an OEM-style molded replacement using EPDM material for coolant-system service. The design is intended to match the original application geometry for the Toyota Sienna heater circuit and support reliable fitment when the correct part number 18476 is selected.\u003c\/p\u003e","brand":"Gates","offers":[{"title":"Default Title","offer_id":45303968432309,"sku":"BBSC-18476","price":44.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/ZO_18476_Fro.jpg?v=1775145711","url":"https:\/\/www.partcatalog.com\/products\/gates-18476-hvac-heater-hose","provider":"PartCatalog","version":"1.0","type":"link"}