WA450-1 Radiator Hose Description
The YNF16344 Radiator Bottom Hose Assembly is an aftermarket cooling system component designed for WA450-1 and WA470-1 wheel loader applications. With OEM reference number 421-03-11931, this lower radiator hose is developed to maintain efficient coolant circulation and support stable engine temperature during heavy-duty operations.
Manufactured from durable heat-resistant rubber, the WA450-1 lower radiator hose provides excellent flexibility, sealing performance, and resistance to continuous exposure from coolant and engine heat. The reinforced hose structure helps withstand vibration, pressure changes, and demanding working environments.
As an essential component of the engine cooling system, the lower radiator hose completes the coolant circulation path between the radiator and engine. When the original hose becomes aged, hardened, or cracked, coolant leakage and overheating risks may increase, affecting machine reliability and maintenance efficiency.
The YNF16344 heavy equipment radiator hose is suitable for wheel loader parts wholesalers, repair companies, and construction machinery suppliers. Stable aftermarket supply and OEM reference matching help B2B buyers improve spare parts inventory management and provide reliable maintenance solutions.
WA470-1 Radiator Hose Technical Data Sheet
| Parameter |
Specification |
| Product Name |
Lower Radiator Hose Assembly |
| YNF Number |
YNF16344 |
| OEM Reference Number |
421-03-11931 |
| Compatible Models |
WA450-1 / WA470-1 Wheel Loader |
| Product Type |
Engine Cooling System Hose |
| Hose Position |
Lower Radiator Hose |
| Alternative Names |
Radiator Bottom Hose / Coolant Hose / Water Hose |
| Compatible Brand |
Not Specified |
| Application System |
Engine Cooling System |
| Function |
Coolant Transfer |
| Material |
Heat Resistant Rubber |
| Manufacturing Process |
Rubber Hose Molding |
| Installation Position |
Lower Radiator Connection |
| Working Medium |
Coolant / Water |
| Condition |
New |
| Quality Type |
Aftermarket Replacement |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Customization |
Available |
| Packing |
Export Standard Packing |
| Shipping Method |
Sea Freight / Air Freight / Express |
| Payment Terms |
T/T, PayPal, Western Union |
WA450-1 Cooling Hose Applications
| Application Field |
Description |
| WA450-1 Wheel Loader Maintenance |
Lower radiator hose replacement |
| WA470-1 Loader Service |
Cooling system hose repair |
| Heavy Equipment Cooling System |
Maintains stable coolant circulation |
| Construction Machinery Repair |
Supports engine cooling maintenance |
| Mining Equipment Service |
Suitable for demanding operating environments |
| Spare Parts Distribution |
Ideal for dealer inventory supply |
YNF16344 Radiator Hose Detail Display
Lower radiator hoses are designed to transfer coolant between radiator and engine cooling passages. Regular inspection helps prevent leakage, overheating, and unexpected equipment downtime.
FAQs
Q: Which machines use YNF16344 radiator hose?
A: It is designed for WA450-1 and WA470-1 wheel loader cooling systems.
Q: What is the OEM reference number?
A: The OEM reference number is 421-03-11931.
Q: Is this an upper or lower hose?
A: This product is a lower radiator hose installed in the bottom section of the cooling system.
