Complete radiator hose set for EX300-2 / EX300-3, including upper (3055801) and lower (3063968) hoses.
Complete radiator hose set for EX300-2 and EX300-3 excavators
Includes YNF03012 upper hose (3055801) and lower hose (3063968)
OEM-standard aftermarket replacement
High resistance to heat, pressure, and coolant chemicals
Reinforced rubber prevents cracking and collapse
The YNF03012 Radiator Hose Set is a complete coolant hose solution for Hitachi EX300-2 and EX300-3 excavators. It includes the upper radiator hose (3055801) and lower radiator hose (3063968), ensuring full coolant circulation between the engine and radiator.
Manufactured from premium reinforced rubber, both hoses resist high temperature, internal pressure, coolant chemicals, oil, and engine vibration. The reinforced structure prevents cracking, collapse, and deformation during heavy-duty operation. Produced according to OEM specifications, this radiator hose set provides accurate fitment, secure sealing, and long service life. Perfect for cooling system maintenance, radiator repair, or engine overhaul.
| Parameter | Details |
|---|---|
| YNF Part Numbers | YNF03012 (Upper: 3055801, Lower: 3063968) |
| OEM Reference Numbers | 3055801 / 3063968 |
| Product Name | Radiator Hose Set |
| Machine Model | Hitachi EX300-2, EX300-3 |
| Hose Type | Coolant / Water Hose |
| Position | Upper & Lower radiator hoses |
| Material | Reinforced rubber |
| Function | Engine coolant circulation |
| Installation Type | Direct replacement |
| Condition | New |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Set |
| 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 | Engine cooling system |
| Excavator Cooling Line | Radiator inlet and outlet hoses |
| Construction Machinery | Heavy-duty cooling applications |
| Engine Maintenance | Replacement of worn radiator hoses |
| Cooling System Repair | Prevents coolant leakage and overheating |
FAQs:
What hoses are included in this set?
One upper hose (3055801) and one lower hose (3063968)
Which OEM numbers are replaced?
3055801 and 3063968
Is this hose set a direct replacement?
Yes, OEM-standard fit
Minimum order quantity?
One set
Is modification required for installation?
No, direct installation
The YNF03012 Radiator Hose Set delivers complete and reliable cooling system performance for EX300-2 and EX300-3 excavators. With reinforced rubber construction and OEM-accurate dimensions, the set ensures stable coolant flow under high temperature and pressure. YNF Machinery provides consistent quality, competitive pricing, and fast global delivery. Contact us today for pricing and availability.
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