Radiator upper hose YNF04399 for ZX330-3 EFI replaces 3103667H, ensuring stable coolant inlet flow.
Radiator upper hose for Hitachi ZX330-3 EFI excavators
YNF04399 OEM-standard aftermarket replacement
Replaces OEM reference number 3103667H
Designed for engine-to-radiator coolant inlet line
High resistance to heat, pressure, and coolant chemicals
The YNF04399 Radiator Upper Hose is designed for Hitachi ZX330-3 EFI excavators, serving as the coolant inlet hose from the engine to the radiator. It ensures efficient coolant flow, stabilizes engine temperature, and prevents overheating during continuous operation.
Manufactured from high-quality reinforced rubber, the hose offers excellent resistance to high temperature, internal pressure, coolant corrosion, oil exposure, and engine vibration. Produced according to OEM specifications, YNF04399 provides accurate fitment, reliable sealing, and long service life. It is ideal for cooling system maintenance, radiator repair, and engine overhaul.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF04399 |
| OEM Reference Number | 3103667H |
| Product Name | Radiator Upper Hose |
| Machine Model | Hitachi ZX330-3 EFI |
| 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 ZX330-3 EFI | Engine cooling system |
| Excavator Cooling Line | Radiator inlet coolant hose |
| Construction Machinery | Heavy-duty cooling applications |
| Engine Maintenance | Replacement of worn radiator hoses |
| Cooling System Repair | Prevents coolant leakage and overheating |
FAQs:
Which machine does this hose fit?
Hitachi ZX330-3 EFI
Which OEM number does it replace?
3103667H
Is this a direct replacement hose?
Yes, OEM-standard direct fit
Minimum order quantity?
One piece
Is modification required?
No, direct installation
The YNF04399 Radiator Upper Hose provides reliable coolant inlet performance for ZX330-3 EFI excavators. Its reinforced rubber construction ensures durability under high temperature and pressure while maintaining secure sealing. YNF Machinery offers stable quality, competitive pricing, and fast global delivery. Contact us today for pricing and availability.
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