Radiator lower hose YNF12287 for EX75US-5 4JG1 replaces 4415637, ensuring stable coolant outlet circulation.
Radiator lower hose for Hitachi EX75US-5 4JG1 excavators
YNF12287 OEM-standard aftermarket replacement
Replaces OEM reference number 4415637
Designed for radiator-to-engine coolant outlet line
High resistance to heat, pressure, and coolant chemicals
Reinforced rubber construction for long service life
The YNF12287 Radiator Lower Hose is designed for Hitachi EX75US-5 4JG1 excavators and functions as the coolant outlet hose from the radiator to the engine. It ensures smooth coolant return flow, stable engine temperature, and reliable cooling performance during continuous heavy-duty operation.
Manufactured from high-quality reinforced rubber, this hose offers excellent resistance to high temperature, internal pressure, coolant chemicals, oil exposure, and engine vibration. Produced according to OEM specifications, YNF12287 provides accurate fitment, secure sealing, and extended service life. It is ideal for cooling system repair, preventive maintenance, and engine overhaul.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF12287 |
| OEM Reference Number | 4415637 |
| Product Name | Radiator Lower Hose |
| Machine Model | Hitachi EX75US-5 4JG1 |
| 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 EX75US-5 4JG1 | Engine cooling system |
| Excavator Cooling Line | Radiator coolant outlet 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 EX75US-5 4JG1
Which OEM number does it replace?
4415637
Is this a direct replacement hose?
Yes, OEM-standard direct fit
Minimum order quantity?
One piece
Is modification required?
No, direct installation
The YNF12287 Radiator Lower Hose provides reliable coolant outlet performance for Hitachi EX75US-5 4JG1 excavators. Its reinforced rubber construction withstands high temperature and pressure while maintaining secure sealing and long service life. YNF Machinery supplies dependable excavator cooling components with competitive pricing and fast global delivery.
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