Radiator upper hose YNF04403 for EX300-5 replaces 3079181, ensuring stable engine coolant inlet flow.
Radiator upper hose for Hitachi EX300-5 excavators
YNF04403 OEM-standard aftermarket replacement
Replaces OEM reference number 3079181
Designed for engine-to-radiator coolant inlet line
High resistance to heat, pressure, and coolant chemicals
The YNF04403 Radiator Upper Hose is designed for Hitachi EX300-5 excavators and functions as the main coolant inlet hose from the engine to the radiator. It ensures consistent coolant flow, efficient heat dissipation, and stable engine temperature under demanding operating conditions.
Manufactured from premium reinforced rubber, this hose offers excellent resistance to high temperature, internal pressure, vibration, coolant corrosion, and oil exposure. Produced according to OEM specifications, YNF04403 provides accurate fitment, reliable sealing, and long service life. It is ideal for cooling system repair, preventive maintenance, and engine overhaul.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF04403 |
| OEM Reference Number | 3079181 |
| Product Name | Radiator Upper Hose |
| Machine Model | Hitachi EX300-5 |
| 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 EX300-5 | Engine cooling system |
| Excavator Cooling Line | Radiator coolant inlet hose |
| Construction Machinery | Heavy-duty cooling applications |
| Engine Maintenance | Replacement of worn radiator hoses |
| Cooling System Repair | Prevents overheating and leakage |
FAQs:
Which machine does this hose fit?
Hitachi EX300-5
Which OEM number does it replace?
3079181
Is this a direct replacement hose?
Yes, OEM-standard direct fit
Minimum order quantity?
One piece
Is modification required?
No, direct installation
The YNF04403 Radiator Upper Hose delivers dependable coolant inlet performance for Hitachi EX300-5 excavators. Built with reinforced rubber, it withstands high temperature and pressure while maintaining secure sealing and extended service life. YNF Machinery supplies reliable excavator cooling components with competitive pricing and fast worldwide delivery.
Part number: 4654858 Product name: the main relief valve Model: ZX240-3, ZX240-3-HCMC, ZX250H-3, ZX250K-3, ZX250LC-3-HCMC, ZX250LC-3-HCME, ZX250LC-5N For Hitachi excavator […]
