The YNF03013 Radiator Upper Hose is designed for EX300-5 excavators, serving as the upper hose in the engine cooling system. It transfers hot coolant from the engine to the radiator, ensuring efficient heat dissipation, maintaining stable engine temperatures, and preventing engine overheating during continuous or heavy-duty operation.

• OEM-equivalent replacement for 3079181

• Compatible with EX300-5 excavators

• Constructed from durable rubber with excellent heat and pressure resistance

• Resistant to coolant corrosion, aging, and cracking

• Reinforced design for long-term durability

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

• Maintains optimal engine temperature for stable performance

• Suitable for maintenance, repair, 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

• Part number and model verification

• Technical guidance for installation

• Stable supply for aftermarket and bulk orders

• Custom rubber hose solutions available

• Individually packed to prevent deformation

• Export-standard carton packaging

• Neutral or YNF-branded packaging optional

• Can be shipped together with other radiator components

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

Q2: Can it handle high-temperature engine coolant?
A: Yes, designed for continuous operation under high-temperature conditions.

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

.