The YNF17139 Radiator Lower Hose is designed for the R385-9 electronic injection excavator. Installed at the lower section of the radiator system, it guides cooled coolant back to the engine, supporting smooth circulation and stable temperature control during continuous and high-load operation.

• Replacement radiator lower hose corresponding to OEM 11QA-43420

• Suitable for R385-9 electronic injection cooling system

• Manufactured from durable rubber material with good flexibility

• Resistant to heat, pressure, and engine vibration

• Molded to match original routing and connection points

• Helps maintain consistent coolant return and reliable cooling performance

• Ideal for maintenance service and cooling system repair

• Machine model: R385-9 electronic injection excavator

• Hose type: Radiator Lower Hose

• Installation position: Lower radiator section

• Function: Returns cooled coolant from radiator to engine

• Assistance with part number and machine model confirmation

• Technical support for hose selection and replacement

• Stable supply for aftermarket and export orders

• Custom hose production available based on samples or drawings

• Individually packed to prevent deformation during transport

• Export-grade carton packaging

• Neutral packaging or YNF branding available

• Can be supplied together with matching upper hose if required

Q1: Is this hose specifically for the electronic injection version of R385-9?
A: Yes, it is designed to match the cooling system layout of the electronic injection model.

Q2: Can it be used under heavy-duty working conditions?
A: It is suitable for normal and continuous operation within standard cooling system requirements.

Q3: Are hose clamps included?
A: Hose clamps are not included unless requested separately.