Radiator upper hose YNF04401 for EX300-2 and EX300-3 replaces 3055801 and 3048033 for efficient coolant flow.
Radiator upper hose for Hitachi EX300-2 and EX300-3 excavators
YNF04401 OEM-standard aftermarket replacement
Replaces OEM reference numbers 3055801 and 3048033
Connects engine outlet to radiator inlet
High resistance to heat, pressure, and coolant corrosion
Reinforced rubber construction for long service life
The YNF04401 Radiator Upper Hose is designed for Hitachi EX300-2 and EX300-3 excavators, serving as the main coolant inlet hose from the engine to the radiator. It ensures stable coolant circulation and efficient heat dissipation during continuous heavy-duty operation.
Manufactured from premium reinforced rubber, this hose offers excellent durability against high temperature, internal pressure, vibration, coolant chemicals, and oil exposure. Produced to OEM specifications, YNF04401 provides precise fitment, secure sealing, and reliable performance, making it ideal for cooling system maintenance and overhaul.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF04401 |
| OEM Reference Number | 3055801, 3048033 |
| Product Name | Radiator Upper Hose |
| Machine Model | Hitachi EX300-2, EX300-3 |
| Hose Type | Coolant / Water Hose |
| Position | Upper radiator hose |
| Material | Reinforced rubber |
| Function | Coolant inlet circulation |
| Installation Type | Direct replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Piece |
| Shipping Method | 1. Air 2. Sea 3. Express |
| Payment Terms | 1. T/T 2. PayPal 3. Western Union |
| Application Area | Description |
|---|---|
| Hitachi EX300-2 | Engine cooling system |
| Hitachi EX300-3 | Radiator coolant inlet hose |
| Excavator Cooling Line | Upper radiator water hose |
| Construction Machinery | Heavy-duty cooling applications |
| Engine Maintenance | Replacement of worn coolant hoses |
FAQs:
Which machines does this hose fit?
Hitachi EX300-2 and EX300-3
Which OEM numbers does it replace?
3055801 and 3048033
Is this a direct replacement hose?
Yes, OEM-standard direct fit
Minimum order quantity?
One piece
Is modification required?
No, direct installation
The YNF04401 Radiator Upper Hose delivers dependable coolant inlet performance for EX300-2 and EX300-3 excavators. Built with reinforced rubber, it withstands high temperature and pressure while ensuring stable sealing and extended service life. YNF Machinery supplies high-quality excavator cooling components with competitive pricing and fast delivery worldwide.
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