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Gates 18475 HVAC Heater Hose - Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2
| Brand | Gates 18475 |
|---|---|
| Position | Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 8.7 |
| Centerline Length | 221 |
| Centerline Length (in) | 8.7 |
| Centerline Length (mm) | 221 |
| End 1 Inside Diameter | .5 |
| End 1 Inside Diameter | 13 |
| End 2 Inside Diameter | .5 |
| End 2 Inside Diameter | 13 |
| Material | EPDM |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
| Product line | Molded Heater Hose |
| Fits | Toyota · 3 vehicles |
Factory-molded OEM style. Fits tight spaces with a molded hose shape.
EPDM construction. Built for coolant, water, and air applications.
Marine approved. Suitable for marine use as well as HVAC service.
Cross-references Davico Mfg 18475, Dixie Electric Ltd 10475 and 14432S for the same application. See all 4.
Gates 18475 Molded Heater Hose Overview
The Gates 18475 molded heater hose is a factory-molded, OE-style coolant hose built for tight engine compartments where a straight hose will not route correctly. It is made from EPDM and measures 8.7 inches (221 mm) centerline length with 0.5-inch (13 mm) inside diameter at both ends.
Compatible With 2004-2006 Toyota Sienna auxiliary heater pipe routing, this molded heater hose supports coolant, water, and air transfer applications. It also carries marine application approval, making the Gates 18475 a practical replacement for demanding thermal and fluid-routing jobs.
Key Features
- Factory-molded shape for OEM-style routing in compact engine bays
- EPDM construction for coolant and heater hose service
- 0.5-inch (13 mm) inside diameter at both ends
- 8.7-inch (221 mm) centerline length
- Suitable for coolant, water, and air applications
- Approved for marine applications
Product Details
Gates Molded Heater Hose part number 18475 is engineered as a small I.D. molded coolant hose for vehicles with tighter packaging around the engine and auxiliary heater plumbing. Its molded profile helps maintain the correct hose path between connection points, which is important for the 2004-2006 Toyota Sienna auxiliary heater pipe-1 to auxiliary heater pipe-2 application. If you are replacing a worn or hardened hose, the Gates 18475 provides the OE-style shape and dimensions needed for a clean service replacement.
This part cross-references Dixie Electric Ltd 10475 for the same application.
What This Hose Helps Address
- Coolant leaks from cracked or aged heater hose material
- Poor hose routing in tight engine compartments
- Heat-related hose hardening or softening
- Restricted flow caused by collapsed or deformed hose sections
- Replacement needs for auxiliary heater pipe connections on Toyota Sienna models
Installation Notes and Tips
Verify the hose path, end diameters, and centerline length before installation. Confirm the routing matches the 2004-2006 Toyota Sienna auxiliary heater pipe-1 to auxiliary heater pipe-2 layout, and inspect adjoining pipes and clamps for wear, corrosion, or residue before reassembly. Proper coolant system service and leak checking after installation help confirm a secure seal.
Quality Assurance
Gates manufactures this molded heater hose as an OE-style replacement built to match factory routing requirements. The EPDM construction and molded design support consistent fitment for the specified Toyota Sienna application and related fluid-transfer service.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2006 | Toyota | Sienna | 3.3L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 2005 | Toyota | Sienna | 3.3L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 | Molded Heater Hose |
| 2004 | Toyota | Sienna | 3.3L | V6 | GAS | Auxiliary Heater Pipe-1 To Auxiliary Heater Pipe-2 | Molded Heater Hose |
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