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Gates 23804 Radiator Coolant Hose - Lower
| Brand | Gates 23804 |
|---|---|
| Position | Lower |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 19.6 |
| Centerline Length | 498 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.31 |
| End 1 Inside Diameter | 33 |
| End 2 Inside Diameter | 1.31 |
| End 2 Inside Diameter | 33 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
| Product line | Molded Coolant Hose |
| Fits | Toyota · 6 vehicles |
OEM-quality specifications. Built for coolant applications with a molded EPDM construction.
Molded design. Delivers a precise hose shape for cleaner routing and easier installation.
Radiator coolant hose. A replacement hose for coolant system service and repair.
Cross-references Bosch 16488, Continental 66599 and Gates 23804 for the same application. See all 5.
Gates 23804 Molded Coolant Hose for Toyota Sienna
The Gates 23804 molded coolant hose is built for radiator cooling system service on select Toyota Sienna models. It follows OEM-quality specifications and is shaped for the lower coolant hose position, helping restore proper coolant routing on 2011-2016 Toyota Sienna applications.
Key Features
- Brand: Gates Molded Coolant Hose
- Part number: 23804
- Material: EPDM for coolant-system durability
- Molded hose design for a precise routing shape
- End inside diameter: 1.31 in. (33 mm) at both ends
- Centerline length: 19.6 in. (498 mm)
- Lower radiator coolant hose application
- Fits 2011-2016 Toyota Sienna, lower
Product Details
Gates Molded Coolant Hose products are engineered for upper, lower, bypass, heater, and other coolant-system applications with OE-style dimensions and formed bends. This Gates 23804 hose is part of that molded hose line and is shaped to match the routing required for the lower radiator hose on Toyota Sienna models from 2011 through 2016. If you are replacing a worn or leaking Toyota Sienna lower radiator hose, this part number 23804 provides a direct replacement option with the correct molded profile.
This part cross-references Bosch 16488 and Continental 66599 for the same application.
Common Problems This Hose Can Address
- Coolant leaks from a cracked or aged lower radiator hose
- Softening, swelling, or collapse of the original EPDM hose
- Improper hose routing after a previous repair
- Cooling system service on a 2011-2016 Toyota Sienna
- Replacement of a damaged molded coolant hose with the correct formed shape
Installation Notes and Tips
Verify the hose routing, end diameters, and centerline length before installation. Inspect adjoining clamps, necks, and coolant passages for wear or corrosion, and confirm the cooling system is fully drained and refilled according to factory service procedures. This hose is molded and does not include a spring or quick-connect fittings.
Quality Assurance
Gates manufactures molded coolant hoses to OEM-quality specifications for consistent fit and dependable cooling-system service. The Gates 23804 is part of a broad replacement hose line used for radiator and heater hose applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2016 | Toyota | Sienna | 3.5L | V6 | GAS | Lower | Molded Coolant Hose |
| 2015 | Toyota | Sienna | 3.5L | V6 | GAS | Lower | Molded Coolant Hose |
| 2014 | Toyota | Sienna | 3.5L | V6 | GAS | Lower | Molded Coolant Hose |
| 2013 | Toyota | Sienna | 3.5L | V6 | GAS | Lower | Molded Coolant Hose |
| 2012 | Toyota | Sienna | 3.5L | V6 | GAS | Lower | Molded Coolant Hose |
| 2011 | Toyota | Sienna | 3.5L | V6 | GAS | Lower | Molded Coolant Hose |
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