PC400-5 Radiator Hose Description
The YNF18890 PC400-5 radiator upper hose is an important cooling system component designed for excavator engine temperature management. It is installed in the upper section of the radiator cooling circuit and is used to transfer coolant between the engine and radiator, ensuring stable heat dissipation during heavy-duty operation.
Manufactured from high-quality rubber material, this excavator radiator hose is built with excellent flexibility, heat resistance, and pressure tolerance. The reinforced hose structure allows it to maintain reliable performance under continuous vibration and demanding construction environments.
For excavator distributors, repair workshops, and machinery parts dealers, the PC400-5 coolant hose replacement provides a practical solution for replacing aged, cracked, or damaged original hoses. A properly maintained cooling hose helps prevent coolant leakage, overheating problems, and unexpected machine downtime.
YNF Machinery supplies aftermarket excavator cooling system parts with stable quality, competitive wholesale pricing, and professional export service to support global B2B buyers.
PC400-5 Radiator Hose Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF18890 |
| OEM Part Number |
Not Provided |
| Product Name |
Radiator Upper Hose |
| Alternative Name |
Upper Water Pipe / Coolant Hose / Radiator Hose |
| Compatible Model |
PC400-5 Excavator |
| Product Category |
Excavator Cooling System Parts |
| Installation Position |
Upper Radiator Connection |
| Function |
Coolant Transfer and Engine Temperature Control |
| Material |
High Quality Rubber |
| Manufacturing Process |
Rubber Molding |
| Application System |
Engine Cooling System |
| Condition |
New Replacement Part |
| Quality Type |
Aftermarket Replacement |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Packaging |
Standard Export Packaging |
| Shipping Method |
Air Freight / Sea Freight / Express |
| Payment Terms |
T/T, PayPal, Western Union |
PC400-5 Cooling Hose Applications
| Application Field |
Description |
| Komatsu PC400-5 Excavator |
Used as radiator upper hose replacement component |
| Engine Cooling System |
Maintains coolant circulation between engine and radiator |
| Excavator Repair Workshop |
Suitable for damaged hose replacement and maintenance |
| Construction Machinery Dealer |
Added to excavator spare parts inventory |
| Heavy Equipment Maintenance |
Helps restore cooling system reliability |
| Excavator Parts Distribution |
Suitable for wholesale aftermarket supply |
PC400-5 Radiator Hose Detail Display
Frequently Asked Questions
Q: Which excavator model is YNF18890 radiator hose used for?
A: YNF18890 radiator upper hose is designed for Komatsu PC400-5 excavator cooling system applications.
Q: What is the function of an excavator radiator hose?
A: The radiator hose transfers coolant between the engine and radiator to support stable engine temperature control.
Q: When should a radiator hose be replaced?
A: Replacement is recommended when cracks, swelling, hardening, leakage, or aging signs are found.
Q: Is YNF18890 suitable for wholesale purchase?
A: Yes. It is supplied as an aftermarket excavator spare part suitable for dealers, workshops, and distributors.
Q: Why choose YNF excavator hoses?
A: YNF hoses are manufactured with durable materials and are supplied for global aftermarket excavator maintenance needs.
