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FAQs
Q: Is this lower hose compatible with any other Hyundai models?
A: It’s specifically designed for R520-9 but may fit similar frame engines—contact us to confirm specs.Q: Does it require clamps or comes pre-fitted?
A: Hose only; clamps available upon request or as part of a full cooling kit. -
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YNF16704 Radiator Hose Upper (11QB-41130)
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Service Tip
Radiator hoses should be checked every 500 working hours. Replace if soft, cracked, or swollen to prevent engine overheating and unplanned downtime.
Radiator Hose Lower 11QB-41140 YNF16705 Coolant Outlet Pipe for Hyundai R520-9 Excavator
Lower radiator hose 11QB-41140 for R520-9; heat-resistant coolant discharge pipe for Hyundai excavators.
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OEM part number 11QB-41140, designed for Hyundai R520-9 cooling systems
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Made from multi-layer EPDM rubber for enhanced temperature and fluid resistance
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Connects radiator bottom outlet to engine block for coolant return flow
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Resistant to cracking, swelling, and coolant erosion
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Designed for seamless installation in service and repair centers
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R520-9 Lower Radiator Hose Description
The YNF16705 Radiator Hose Lower (OEM reference 11QB-41140) is a key component in the Hyundai R520-9 excavator cooling circuit. It channels coolant from the radiator back into the engine, enabling efficient thermal regulation during high-load operation. Built using heat-tolerant and pressure-resistant EPDM rubber, this hose ensures dependable sealing and fluid transfer even in rugged job site conditions. Its exact curvature and diameter match OEM specifications, making it a preferred option for after-sales parts distributors and heavy machinery repair services.
R520-9 Radiator Hose Technical Sheet
| Item | Detail |
|---|---|
| Applicable Machine | Hyundai R520-9 Excavator |
| Part Number | 11QB-41140 |
| YNF Code | YNF16705 |
| Product Category | Cooling System Parts / Radiator Hoses |
| Material | High-strength EPDM rubber |
| Application Position | Radiator bottom outlet to engine inlet |
| Function | Coolant return flow and heat regulation |
| Temperature Resistance | Up to 150°C |
| Brand | YNF |
| Origin | China |
| MOQ | 20 pcs |
| Shipment Options | Sea, air, courier |
| Payment Terms | T/T, L/C, PayPal |
Hyundai R520-9 Lower Hose Applications
| Application Field | Description |
|---|---|
| Excavator Cooling Systems | Enables coolant recirculation for engine temperature control |
| Engine Maintenance | Replaces worn or damaged radiator return hoses |
| Heavy Equipment Repairs | Used in workshop overhauls and preventative servicing |
| Parts Distribution | In-demand replacement part in OEM and aftermarket supply |
| Hydraulic Cooling Support | Assists in maintaining stable hydraulic fluid temperatures |
Hyundai R520-9 Lower Hose Detail Display
FAQs
Get Quote for R520-9 Lower Hose
Need a reliable lower water hose for Hyundai R520-9 cooling system? YNF16705 (11QB-41140) offers OEM precision, long lifespan, and resistance to thermal stress. Stocked for wholesalers and service networks. Contact us today for availability and best B2B pricing.
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