The YNF04364 Radiator Hose Set is designed for ZAX330-3 EFI (electronic fuel injection) excavators, including both the upper radiator hose (3103667H) and lower radiator hose (3104963H). This complete set ensures smooth coolant circulation between the engine and radiator, maintaining stable operating temperatures, improving cooling efficiency, and preventing engine overheating during heavy-duty operation.

• OEM-equivalent replacements: 3103667H (Upper Hose), 3104963H (Lower Hose)

• Compatible with ZAX330-3 EFI excavators

• Made from high-quality rubber with excellent heat and pressure resistance

• Resistant to coolant corrosion, aging, and cracking

• Reinforced structure for long service life

• Precision-molded for accurate fit and leak-free sealing

• Ensures stable coolant flow and reliable engine cooling

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

• Machine model: ZAX330-3 EFI excavator

• Part type: Radiator Upper & Lower Hose Set

• System: Engine cooling system

• Function: Transfers coolant from engine to radiator and returns it to maintain stable operating temperature

• Part number and application verification

• Technical guidance for installation

• Stable supply for aftermarket and bulk orders

• Custom radiator hose solutions available upon request

• Upper and lower hoses packed separately to prevent deformation

• Export-standard carton packaging

• Neutral or YNF-branded packaging optional

• Can be shipped together with other cooling system components

Q1: Is this a complete radiator hose set?
A: Yes, it includes both upper and lower radiator hoses.

Q2: Can the hoses be installed directly?
A: Yes, manufactured according to OEM specifications for direct replacement.

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

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