The YNF04778 Radiator Lower Hose is designed for PC100-5 and PC120-5 excavators. Installed at the lower section of the radiator, it channels cooled coolant back into the engine to complete the circulation cycle. Stable coolant return is essential for maintaining consistent engine temperature and preventing overheating during long operating hours.

This hose is manufactured to match OEM specifications, ensuring proper fitment and dependable sealing performance.

• Direct replacement for OEM part number 203-978-5340

• Suitable for PC100-5 and PC120-5 models

• Made from high-strength rubber compound

• Excellent resistance to heat, pressure, and coolant corrosion

• Reinforced structure for durability under vibration

• Precisely formed design for correct installation alignment

• Reliable component for cooling system maintenance

• Machine models: PC100-5, PC120-5

• Hose type: Radiator Lower Hose

• Installation position: Radiator outlet (lower section)

• Function: Returns cooled coolant from radiator to engine

• Assistance with machine model and part number confirmation

• Professional support for cooling system component matching

• Stable production and export supply

• OEM and customized manufacturing available

• Individually packed to protect hose integrity

• Export-standard carton packaging

• Neutral or YNF branded packing options

• Can be supplied together with matching upper hose as a complete set

Q1: Is this hose compatible with both PC100-5 and PC120-5?
A: Yes, it is manufactured according to OEM dimensions for these models.

Q2: Can it withstand high operating temperatures?
A: Yes, the rubber material is engineered for continuous exposure to high-temperature coolant.

Q3: Are clamps included?
A: Clamps are not included unless specifically requested.