The YNF04403 Radiator Upper Hose is designed for EX300-5 excavators, serving as the upper hose in the engine cooling system. It transports hot coolant from the engine to the radiator, ensuring effective heat dissipation and helping maintain consistent engine temperatures during prolonged operation.

• OEM-equivalent replacement for 3079181

• Compatible with EX300-5 excavators

• High-quality rubber construction for durability and long service life

• Resistant to heat, pressure, and coolant corrosion

• Flexible design for accurate routing and secure connections

• Molded to ensure proper fit and leak-free operation

• Supports stable cooling system performance and engine reliability

• Ideal for regular maintenance or cooling system replacement

• Machine model: EX300-5 excavator

• Part type: Radiator Upper Hose

• System: Engine cooling system

• Function: Transfers coolant from engine to radiator for efficient heat regulation

• Verification of part number and application

• Technical guidance for installation

• Stable supply for aftermarket and bulk orders

• Custom radiator hose solutions upon request

• Individually packed to prevent deformation

• Export-standard carton packaging

• Neutral or YNF-branded packaging available

• Can be shipped with other cooling system components

Q1: Can this hose be installed directly?
A: Yes, manufactured to OEM specifications for direct replacement.

Q2: Is it compatible with EX300-5 cooling system only?
A: Yes, designed specifically for EX300-5 excavators.

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

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