The YNF04404 Radiator Lower Hose is designed for EX300-5 excavators, functioning as the lower hose in the engine cooling system. It returns cooled coolant from the radiator back to the engine, ensuring continuous circulation, preventing overheating, and maintaining stable engine temperatures during heavy-duty operation.

• OEM-equivalent replacement for 3079182

• Compatible with EX300-5 excavators

• Made from high-quality rubber for durability and long service life

• Resistant to high temperature, pressure, and coolant corrosion

• Flexible construction for accurate routing and secure installation

• Molded for proper fit and leak-free sealing

• Ensures stable coolant flow and reliable engine performance

• Suitable for maintenance, repair, or complete cooling system replacement

• Machine model: EX300-5 excavator

• Part type: Radiator Lower Hose

• System: Engine cooling system

• Function: Returns coolant from radiator to engine to maintain stable temperature

• Part number and application verification

• Technical guidance for installation and selection

• Stable supply for aftermarket and bulk orders

• Custom radiator hose solutions available upon request

• Individually packed to prevent deformation

• Export-standard carton packaging

• Neutral or YNF-branded packaging available

• Can be shipped together with other cooling system components

Q1: Can this hose be installed directly with YNF04403 upper hose?
A: Yes, it pairs perfectly for a complete EX300-5 radiator hose set.

Q2: Is it suitable for heavy-duty operation?
A: Yes, it is designed to withstand high temperature and continuous operation.

Q3: Are hose clamps included?
A: No, clamps are not included unless requested.

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