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FAQs
Q: Is this hose reinforced for high-temperature operation?
A: Yes, it uses heat-resistant, multi-layer EPDM rubber designed for heavy equipment.Q: Will it fit other Hyundai excavators?
A: It is specifically molded for R520-9, but may fit other models with similar engine configurations. -
Related Products
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R520-9 Lower Radiator Hose
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R520-9 Water Pump Assembly
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Hyundai Excavator Coolant Tank Cap
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Maintenance Tip
Regular replacement of radiator hoses prevents cooling system failure. Check for cracks, softness, and swelling during scheduled service.
















Radiator Hose Upper 11QB-41130 YNF16704 Water Pipe for Hyundai R520-9 Excavator Cooling System
Upper radiator hose 11QB-41130 for Hyundai R520-9; high-temp rubber, OEM-fit, coolant flow reliable.
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OEM reference number 11QB-41130, designed for Hyundai R520-9 excavators
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Constructed from reinforced heat-resistant rubber for long service life
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Precisely molded to match engine and radiator mounting geometry
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Maintains efficient coolant circulation under high engine temperatures
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Easy to install, ideal for aftermarket repair shops and parts stockists
R520-9 Radiator Hose Description
The YNF16704 Radiator Hose Upper (Part No. 11QB-41130) is a critical cooling system component for Hyundai R520-9 excavators. It ensures reliable coolant transfer between the engine and radiator, preventing overheating and maintaining engine efficiency. Manufactured from premium-grade heat-resistant rubber with reinforced layers, this hose can endure thermal cycling, vibration, and chemical exposure. It is shaped according to OEM standards, ensuring a perfect fit without modification. Ideal for construction equipment maintenance providers and distributors requiring dependable cooling system components.
R520-9 Radiator Hose Technical Sheet
Item | Detail |
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Applicable Machine | Hyundai R520-9 Excavator |
Part Number | 11QB-41130 |
YNF Code | YNF16704 |
Product Category | Cooling System Components / Radiator Hoses |
Material | Multi-layer reinforced EPDM rubber |
Application Position | Upper radiator to engine inlet |
Function | Coolant transfer and heat dissipation support |
Temperature Resistance | Up to 150°C |
OEM Compatibility | Hyundai |
Brand | YNF |
Origin | China |
MOQ | 20 pcs |
Shipment Options | Sea, air, express |
Payment Terms | T/T, L/C, PayPal |
R520-9 Radiator Hose Applications
Application System | Description |
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Excavator Cooling | Connects engine to radiator; allows coolant circulation |
Heavy Equipment Engine | Maintains optimal engine temperature during heavy-duty work |
Repair & Maintenance | Replacement part for worn or leaking upper water hoses |
OEM Part Distribution | Stocked by parts distributors for Hyundai excavators |
Workshop Overhaul | Used in complete engine cooling system overhauls |
Hyundai R520-9 Radiator Hose Detail Display
Request Quote for R520-9 Radiator Hose
Need a durable upper radiator hose for your Hyundai R520-9? YNF16704 (OEM ref: 11QB-41130) is precision-built for reliability and heat resistance. Ideal for excavator repair teams and parts wholesalers. Contact YNF Machinery now for competitive pricing and fast shipment options.