The YNF04399 Radiator Upper Hose is developed for ZX330-3 EFI excavators, functioning as the upper coolant hose in the engine cooling system. It directs heated coolant from the engine to the radiator, supporting efficient heat exchange and helping the engine operate within a safe temperature range during intensive work cycles.

• Replacement reference: 3103667H

• Designed for ZX330-3 EFI excavators

• Manufactured from high-grade rubber for long-term use

• Capable of handling high temperature and internal pressure

• Resistant to coolant exposure, aging, and surface cracking

• Flexible structure allows precise routing and secure connection

• Molded to ensure proper sealing and reduced leakage risk

• Suitable for routine service or cooling system refurbishment

• Machine model: ZX330-3 EFI excavator

• Part type: Radiator Upper Hose

• System: Engine cooling system

• Function: Transfers coolant from engine to radiator for effective temperature control

• Part number and model compatibility confirmation

• Technical assistance for installation and selection

• Stable supply for aftermarket and bulk requirements

• Custom radiator hose solutions upon request

• Individually packed to maintain hose shape

• Export-standard carton packaging

• Neutral or YNF packaging available

• Can be shipped with other cooling system parts

Q1: Is this hose compatible with EFI engines only?
A: Yes, it is designed specifically for ZX330-3 EFI configurations.

Q2: Can it be installed without modification?
A: Yes, it matches OEM dimensions for direct installation.

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

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