YNF17342 4686942 upper radiator hose for ZAXIS70-3G, reinforced coolant hose ensuring stable cooling performance.
OEM-Compatible：Direct fit for Hitachi ZAXIS70-3G / 4686942
Material：High-temperature, reinforced rubber with strong coolant resistance
Function：Transfers hot coolant from engine to radiator upper inlet
Durability：Resistant to heat cycling, vibration, pressure, and coolant chemicals
B2B Advantage：Stable quality + reliable stock for wholesalers & repair centers
The YNF17342 radiator upper hose (4686942) is engineered for Hitachi ZAXIS70-3G excavators, ensuring a secure and efficient coolant flow from the engine to the radiator upper tank. Constructed with high-temperature reinforced rubber, this hose withstands continuous thermal cycling, coolant chemical exposure, and heavy vibration in construction environments.
Designed according to OEM specifications, the hose provides accurate curvature, stable routing, and excellent sealing performance to prevent leaks. It maintains stable coolant circulation, helping protect the engine from overheating and improving overall operational reliability.
By replacing worn or hardened hoses with YNF17342, distributors, repair shops, and fleet operators can reduce machine downtime and extend engine service life. YNF offers OEM-equivalent performance with stable supply and competitive pricing—ideal for global aftermarket buyers.
| Parameter | Details |
|---|---|
| YNF Part Number | YNF17342 |
| OEM Number | 4686942 |
| Product Type | Radiator Upper Hose / Coolant Hose |
| Machine Model | Hitachi ZAXIS70-3G |
| Material | Heat-resistant reinforced rubber |
| Function | Transfers coolant to radiator upper inlet |
| Resistance | Heat, pressure, coolant corrosion, vibration |
| Application | Excavator cooling system |
| Brand | YNF |
| Origin | China |
| MOQ | 1 Pieces |
| Shipping | Sea, Air, Express |
| Payment Terms | T/T, PayPal, Western Union |
| Application Area | Description |
|---|---|
| Radiator Cooling Circuit | Transfers heated coolant to radiator for cooling |
| Engine Thermal Management | Prevents overheating in heavy-duty excavation |
| Excavator Maintenance | Replacement for cracked or aged coolant hoses |
| Aftermarket Distribution | Suitable for global wholesalers & repair workshops |
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Excavator Radiator & Coolant Hose Series
FAQs:
Q: Is YNF17342 a direct replacement for Hitachi 4686942?
A: Yes, it matches OEM specifications for ZAXIS70-3G.
Q: What material is used?
A: High-temperature reinforced rubber.
Q: Does replacing the upper hose improve cooling efficiency?
A: Yes, stable coolant flow prevents overheating and protects engine components.
The YNF17342 4686942 radiator upper hose provides reliable cooling performance for Hitachi ZAXIS70-3G excavators. Built from reinforced rubber, it offers excellent durability, heat resistance, and leak-free coolant transfer. YNF ensures consistent product quality, long-term supply stability, and competitive wholesale pricing—ideal for excavator parts distributors, service shops, and fleet maintenance operators. Contact us today for pricing and availability.
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