The YNF16705 Radiator Lower Hose is designed for the R520-9 excavator and is installed at the lower part of the radiator system. It directs cooled coolant back toward the engine, helping maintain balanced circulation and stable operating temperature during long working hours.

• Aftermarket radiator lower hose matching OEM 11QB-41140

• Suitable for R520-9 excavator cooling system layout

• Manufactured from durable rubber with good resistance to heat and pressure

• Maintains flexibility under vibration and continuous operation

• Molded to fit original connection points for secure installation

• Supports consistent coolant return and reliable engine performance

• Ideal for routine service and cooling system maintenance

• Machine model: R520-9 excavator

• Hose type: Radiator Lower Hose

• Installation position: Lower radiator section

• Function: Returns cooled coolant from radiator to engine

• Part number and machine model confirmation

• Technical support for hose selection and replacement

• Stable production for export and bulk supply

• Custom hose options available based on samples or drawings

• Individually packed to prevent deformation

• Export-grade carton packaging

• Neutral packaging or YNF branding available

• Can be supplied together with upper hose if required

Q1: Is this hose designed specifically for R520-9?
A: Yes, it follows the original R520-9 cooling system configuration.

Q2: Does this hose affect coolant circulation efficiency?
A: Proper coolant return helps maintain stable engine temperature and normal operation.

Q3: Are clamps included with the hose?
A: Hose clamps are not included unless requested in advance.