The YNF04401 Radiator Upper Hose is designed for EX300-2 and EX300-3 excavators, serving as the upper coolant hose in the engine cooling system. It carries heated coolant from the engine to the radiator, supporting efficient heat dissipation and helping the engine remain within a stable operating temperature range during continuous work.

• Replacement references: 3055801, 3048033

• Compatible with EX300-2 / EX300-3 excavators

• Manufactured from durable rubber material for long service life

• Performs reliably under high temperature and internal pressure

• Resistant to coolant exposure, aging, and cracking

• Designed for correct routing and secure hose connections

• Precision-molded for proper fit and reduced leakage risk

• Suitable for routine maintenance and cooling system repair

• Machine models: EX300-2, EX300-3 excavators

• Part type: Radiator Upper Hose

• System: Engine cooling system

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

• Accurate part number and application verification

• Technical support for installation and selection

• Stable supply for aftermarket and bulk orders

• Custom radiator hose solutions upon request

• Individually packed to protect hose shape

• Export-standard carton packaging

• Neutral or YNF packaging available

• Can be shipped together with other cooling system parts

Q1: Does this hose replace both part numbers?
A: Yes, it is compatible with both 3055801 and 3048033.

Q2: Is modification required during installation?
A: No, it is produced to OEM dimensions for direct installation.

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

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