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Gates 23365 Radiator Coolant Hose - Upper
| Brand | Gates 23365 |
|---|---|
| Position | Upper |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 20.4 |
| Centerline Length | 518 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.26 |
| End 1 Inside Diameter | 32 |
| End 2 Inside Diameter | 1.26 |
| End 2 Inside Diameter | 32 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
| Product line | Molded Coolant Hose |
| Fits | Mazda · 13 vehicles |
OEM-quality specifications. Built as a molded coolant hose for dependable replacement fit.
EPDM construction. Resists heat and coolant exposure for long service life.
Molded design. Follows the hose path for a clean, factory-style installation.
Cross-references Bosch 66155, Carlson 16103 and Dayco 72313 for the same application. See all 8.
Upper Radiator Coolant Hose for Mazda 3
Gates 23365 is a molded upper radiator coolant hose built to OEM-quality specifications for direct replacement service. It is shaped for the upper cooling circuit on select Mazda 3 and Mazda 3 Sport models, helping restore proper coolant routing with a precise fit.
The Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant applications, giving technicians a broad OE-style replacement option for radiator hose service. This molded EPDM hose is formed to match the application rather than relying on a universal bend.
Key Features
- Brand: Gates Molded Coolant Hose
- Part number: 23365
- Part type: radiator coolant hose
- Material: EPDM
- Molded construction for application-specific routing
- 1.26 in. inside diameter at both ends
- 20.4 in. centerline length
- No spring and no quick-connect fittings
- Upper position fitment
Product Details
Gates 23365 is engineered for the upper coolant hose location on 2004-2009 Mazda 3 and 2009 Mazda 3 Sport models. The molded shape supports the factory hose path, while the EPDM construction is suited for coolant system service where heat and fluid exposure are routine. This part cross-references Dayco 72313 for the same application.
Common Cooling System Issues It Can Address
- Cracked or hardened upper radiator hose material
- Coolant leaks at the hose body
- Improper hose routing after replacement
- Collapsed or misshaped hose sections
- Service replacement for aging Mazda 3 cooling hoses
Installation Notes and Tips
Confirm the vehicle year, model, and upper hose position before installation. Compare the original hose length, end diameters, and molded shape to Gates 23365 before removal. Inspect hose clamps, necks, and adjacent cooling components for wear or corrosion during service.
Quality Assurance
Gates manufactures this molded coolant hose to OEM-quality specifications for direct-fit cooling system replacement. The Gates Molded Coolant Hose line is built to cover a wide range of radiator, heater, bypass, and other coolant hose applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2009 | Mazda | 3 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2009 | Mazda | 3 | 2.3L | L4 | GAS | Upper | Molded Coolant Hose |
| 2009 | Mazda | 3 Sport | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2008 | Mazda | 3 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2008 | Mazda | 3 | 2.3L | L4 | GAS | Upper | Molded Coolant Hose |
| 2007 | Mazda | 3 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2007 | Mazda | 3 | 2.3L | L4 | GAS | Upper | Molded Coolant Hose |
| 2006 | Mazda | 3 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2006 | Mazda | 3 | 2.3L | L4 | GAS | Upper | Molded Coolant Hose |
| 2005 | Mazda | 3 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2005 | Mazda | 3 | 2.3L | L4 | GAS | Upper | Molded Coolant Hose |
| 2004 | Mazda | 3 | 2.0L | L4 | GAS | Upper | Molded Coolant Hose |
| 2004 | Mazda | 3 | 2.3L | L4 | GAS | Upper | Molded Coolant Hose |
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