The YNF04279 Upper Hose is designed for E330B excavators, used as an upper coolant hose in the engine cooling system. This hose ensures stable coolant flow, prevents leakage, and supports reliable engine temperature control during operation and maintenance.

• OEM-equivalent replacement for 123-1701

• Compatible with E330B excavators

• Manufactured from high-quality rubber resistant to heat, pressure, and coolant

• Flexible structure for secure connection and easy installation

• Precision-molded for accurate fit and reliable sealing

• Helps maintain efficient engine cooling performance

• Suitable for maintenance, repair, or replacement

• Long service life under demanding working conditions

• Machine model: E330B excavator

• Component: Upper Hose (Coolant Hose)

• Used for engine cooling system fluid circulation

• Suitable for excavator engine maintenance and repair

• Part number and model compatibility confirmation

• Technical support for installation and application

• Stable supply for dealers, workshops, and service centers

• Custom hose solutions available upon request

• Individually packed to prevent deformation or damage

• Export-standard cartons for safe transportation

• Neutral packing or YNF-branded packaging available

• Supports combined shipment with other engine and hydraulic parts

Q1: Is this hose suitable for the original E330B cooling system?
A: Yes, it is manufactured according to OEM specifications and fits the original system.

Q2: Can this hose withstand high-temperature coolant?
A: Yes, it is designed for high-temperature engine cooling applications.

Q3: Is this hose suitable for routine maintenance replacement?
A: Yes, it is ideal for preventive maintenance or cooling system repair.