PC40-7 PC40-8 20T-03-71210 Upper Radiator Hose Description
The YNF18669 20T-03-71210 Radiator Hose is an upper coolant hose designed for compatible Komatsu PC40-7 and PC40-8 excavator cooling systems. This hose connects the radiator and engine cooling circuit, allowing coolant to circulate efficiently and helping maintain proper engine operating temperature during machine operation.
Manufactured from high-quality rubber material, this upper radiator hose provides excellent flexibility, heat resistance, and pressure durability. The reinforced structure helps withstand engine vibration, temperature changes, and continuous working conditions in construction environments.
The 20T-03-71210 upper radiator hose is suitable for excavator repair, maintenance, and replacement applications. Replacing aged, cracked, or damaged coolant hoses helps reduce leakage risks, maintain stable cooling performance, and support reliable engine operation.
PC40-7 PC40-8 20T-03-71210 Radiator Hose Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF18669 |
| OEM Part Number |
20T-03-71210 |
| Compatible Models |
PC40-7 / PC40-8 |
| Brand |
Komatsu |
| Product Name |
Radiator Hose |
| Alternative Name |
Upper Radiator Hose / Coolant Hose |
| Product Type |
Engine Cooling System Component |
| Position |
Upper Radiator Hose |
| Function |
Coolant Circulation |
| Material |
High-Quality Rubber |
| Manufacturing Process |
Rubber Molding |
| Application |
Komatsu Excavator Cooling System |
| Quality Type |
Aftermarket Replacement |
| Condition |
New |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Shipping Method |
Air, Sea, Express |
| Payment Terms |
T/T, PayPal, Western Union |
PC40-7 PC40-8 Upper Radiator Hose Applications
| Application |
Description |
| Komatsu PC40-7 Excavator |
Upper radiator hose replacement |
| Komatsu PC40-8 Excavator |
Cooling hose replacement |
| Engine Cooling System |
Transfers coolant between components |
| Radiator Assembly |
Connects radiator and engine |
| Excavator Maintenance |
Replaces worn coolant hoses |
| Repair Workshop |
Suitable replacement component |
PC40-7 PC40-8 20T-03-71210 Upper Radiator Hose Detail Display
The PC40-7 Radiator Hose is an upper coolant hose designed to maintain stable coolant circulation and support reliable excavator engine cooling performance.
A damaged radiator hose may cause coolant leakage, overheating risks, or reduced machine efficiency. Replacing the hose helps maintain proper cooling system operation.
FAQ
Q: Which machines use the 20T-03-71210 radiator hose?
A: It is designed for compatible Komatsu PC40-7 and PC40-8 excavator cooling systems.
Q: Is this an upper or lower radiator hose?
A: This is an upper radiator hose installed in the upper cooling circuit.
Q: Is this a new replacement hose?
A: Yes. It is a new aftermarket radiator hose replacement.
