The YNF14166 Radiator Lower Hose is designed for the PC40-6 excavator. Positioned at the radiator outlet, it returns cooled coolant to the engine, completing the circulation loop necessary for stable engine operation.

A high-quality lower hose ensures efficient temperature control, prevents overheating, and supports long-term heavy-duty performance. This hose is manufactured according to OEM standards for precise fit and secure sealing.

• OEM replacement for part number 20T-03-31171

• Compatible with PC40-6 excavator

• High-quality rubber material resistant to heat, pressure, and coolant chemicals

• Reinforced design to withstand vibration and heavy-duty use

• Precisely molded for proper installation and secure sealing

• Ideal for maintenance, repair, or complete cooling system replacement

• Machine model: PC40-6 excavator

• Hose type: Radiator Lower Hose

• Installation position: Radiator outlet to engine inlet

• Function: Returns cooled coolant from radiator to engine to maintain stable temperature

• Assistance with part number and machine model verification

• Technical guidance for cooling system maintenance and replacement

• Stable supply for export and aftermarket distribution

• OEM and customized production available

• Individually packed to prevent deformation and damage

• Export-standard carton packaging

• Neutral or YNF branded packaging optional

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

Q1: Is this hose compatible with PC40-6?
A: Yes, it meets OEM specifications for direct replacement.

Q2: Can it handle continuous heavy-duty operation?
A: Yes, the material is designed to withstand hot coolant under demanding conditions.

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