Radiator lower hose YNF04400 for ZAX330-3 EFI replaces 3104963H, ensuring smooth coolant outlet circulation.
Radiator lower hose for Hitachi ZAX330-3 EFI excavators
YNF04400 OEM-standard aftermarket replacement
Replaces OEM reference number 3104963H
Designed for radiator-to-engine coolant return line
High resistance to heat, pressure, and coolant corrosion
The YNF04400 Radiator Lower Hose is designed for Hitachi ZAX330-3 EFI excavators and functions as the coolant outlet hose from the radiator back to the engine. It plays a key role in maintaining stable coolant circulation and preventing engine overheating under heavy-duty operating conditions.
Manufactured from high-quality reinforced rubber, this hose offers excellent durability against high temperature, internal pressure, coolant chemicals, oil exposure, and vibration. Produced to OEM specifications, YNF04400 ensures precise fitment, reliable sealing, and long service life, making it suitable for cooling system repair, routine maintenance, and engine overhaul.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF04400 |
| OEM Reference Number | 3104963H |
| Product Name | Radiator Lower Hose |
| Machine Model | Hitachi ZAX330-3 EFI |
| Hose Type | Coolant / Water Hose |
| Position | Lower radiator hose |
| Material | Reinforced rubber |
| Function | Coolant outlet 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 ZAX330-3 EFI | Engine cooling system |
| Excavator Cooling Line | Radiator outlet 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 ZAX330-3 EFI
Which OEM number does it replace?
3104963H
Is this a direct replacement hose?
Yes, OEM-standard direct fit
Minimum order quantity?
One piece
Is modification required?
No, direct installation
The YNF04400 Radiator Lower Hose delivers reliable coolant outlet performance for ZAX330-3 EFI excavators. Built with reinforced rubber, it withstands high temperature and pressure while ensuring secure sealing and long-term durability. YNF Machinery provides consistent quality, competitive pricing, and fast global delivery. Contact us today for a quotation.
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