Lower radiator hose YNF13721 for R450LC-7A, replacing OEM 11NB-45100. Durable reinforced rubber hose.
Lower radiator hose for R450LC-7A excavators
Replaces OEM part number 11NB-45100
Returns cooled coolant from radiator to engine
High-quality reinforced rubber construction
Resistant to heat, pressure, and vibration
Maintains flexibility under heavy-duty operation
The YNF13721 Lower Radiator Hose is designed for R450LC-7A excavators. It connects the radiator outlet to the engine inlet, ensuring efficient coolant return and stable engine temperature management.
Made from reinforced rubber, this hose resists high temperatures, pressure, and long-term exposure to coolant. Engineered to OEM specifications, YNF13721 provides precise installation, leak-proof performance, and long service life in heavy-duty construction applications.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF13721 |
| OEM Reference Number | 11NB-45100 |
| Product Name | Lower Radiator Hose |
| Machine Models | R450LC-7A |
| Hose Type | Coolant / Water Hose |
| Position | Radiator Lower |
| Material | Reinforced rubber |
| Function | Coolant return to engine |
| 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 |
|---|---|
| R450LC-7A Excavator | Engine cooling lower hose |
| Excavator Cooling System | Radiator outlet coolant line |
| Construction Machinery | Coolant return circulation |
| Maintenance & Repair | Cooling system replacement |
| Heavy-duty Excavators | Engine temperature control |
FAQs:
Which machine does this hose fit?
R450LC-7A
Which OEM number does it replace?
11NB-45100
Is this an upper or lower hose?
Lower radiator hose
Is installation direct-fit?
Yes, OEM-standard
Minimum order quantity?
One piece
YNF13721 lower radiator hose ensures smooth coolant return from radiator to engine for R450LC-7A excavators. Reinforced rubber construction provides durability, leak-proof sealing, and OEM-standard fitment for reliable cooling system performance.
