PC58UU-3 20U-03-41190 Upper Radiator Hose Description
The YNF18670 20U-03-41190 Radiator Hose is an upper coolant hose designed for compatible Komatsu PC58UU-3 excavator cooling systems. This hose connects the radiator and engine cooling circuit, helping transfer coolant efficiently and maintain proper engine temperature during continuous machine operation. The part number 20U-03-41190 is used for Komatsu PC58UU-3 hose applications in the radiator and oil cooler system.
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 demanding construction environments.
The 20U-03-41190 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.
PC58UU-3 20U-03-41190 Radiator Hose Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF18670 |
| OEM Part Number |
20U-03-41190 |
| Compatible Model |
PC58UU-3 |
| 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 |
PC58UU-3 20U-03-41190 Upper Radiator Hose Applications
| Application |
Description |
| Komatsu PC58UU-3 Excavator |
Upper radiator hose replacement |
| Engine Cooling System |
Transfers coolant between components |
| Radiator Assembly |
Connects radiator and engine |
| Excavator Maintenance |
Replaces worn coolant hoses |
| Construction Machinery |
Supports stable cooling operation |
| Repair Workshop |
Suitable replacement component |
PC58UU-3 20U-03-41190 Upper Radiator Hose Detail Display
The PC58UU-3 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 machine uses the 20U-03-41190 radiator hose?
A: It is designed for compatible Komatsu PC58UU-3 excavator cooling system applications.
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.
