WA450-3 Radiator Hose Description
YNF16345 WA450-3 Radiator Upper Hose is supplied as a reliable aftermarket cooling system component for heavy equipment maintenance. Designed for WA450-3 machinery applications, this excavator radiator hose is installed at the upper connection of the radiator system and is responsible for transferring coolant between the engine and radiator during operation.
Manufactured from high-quality rubber material, the hose is built to withstand high-temperature environments, continuous vibration, and coolant pressure changes. A durable cooling hose is essential for maintaining efficient coolant circulation and supporting stable engine temperature control during heavy-duty working conditions.
For construction machinery parts wholesalers and equipment distributors, the WA450-3 coolant hose replacement is a practical inventory item because radiator hoses are regularly required during machine servicing. Replacing aged or damaged hoses can help prevent coolant leakage, overheating problems, and unexpected equipment downtime.
YNF Machinery provides professional aftermarket construction equipment parts with stable supply, competitive wholesale pricing, and reliable export support for global B2B buyers.
WA450-3 Radiator Hose Technical Data Sheet
| Parameter |
Specification |
| YNF Part Number |
YNF16345 |
| OEM Part Number |
421-03-22111 |
| Product Name |
Radiator Upper Hose |
| Alternative Name |
Upper Water Pipe / Coolant Hose / Radiator Water Hose |
| Compatible Model |
WA450-3 |
| Machine Type |
Construction Equipment / Wheel Loader |
| Product Category |
Engine Cooling System Parts |
| Installation Position |
Upper Radiator Connection |
| Function |
Coolant Circulation and Engine Cooling |
| Material |
High Quality Rubber |
| Manufacturing Process |
Rubber Molding |
| Application System |
Engine Cooling System |
| Product Type |
Aftermarket Replacement Part |
| Condition |
New |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Packaging |
Standard Export Package |
| Shipping Method |
Air Freight / Sea Freight / Express |
| Payment Terms |
T/T, PayPal, Western Union |
WA450-3 Cooling Hose Applications
| Application Field |
Description |
| WA450-3 Equipment |
Used as upper radiator hose replacement component |
| Engine Cooling System |
Supports coolant circulation and temperature control |
| Construction Machinery Maintenance |
Applied for regular cooling system repair |
| Heavy Equipment Workshop |
Suitable for replacement of worn rubber hoses |
| Spare Parts Distribution |
Suitable for distributor inventory and wholesale supply |
| Mining and Construction Operations |
Helps maintain reliable machine cooling performance |
WA450-3 Radiator Hose Detail Display
Q: What machine does YNF16345 radiator hose fit?
A: YNF16345 radiator upper hose is designed for WA450-3 construction equipment cooling system applications.
Q: What is the OEM number of YNF16345?
A: The reference OEM number is 421-03-22111.
Q: What does an upper radiator hose do?
A: The upper radiator hose transfers coolant from the engine to the radiator and supports proper heat dissipation.
Q: Why should radiator hoses be replaced?
A: Aging hoses may develop cracks or leaks, which can affect coolant circulation and increase overheating risks.
Q: Is YNF16345 suitable for wholesale buyers?
A: Yes. It is suitable for construction machinery parts wholesalers, repair shops, and equipment distributors.