The YNF17343 lower radiator hose is designed specifically for the Hitachi ZAXIS70-3G excavator, forming the return path that carries cooled coolant back to the engine. Built from reinforced rubber materials, it withstands constant pressure changes and temperature variations common in excavation work.

Its molded shape ensures proper routing within the machine’s cooling system, preventing kinks and ensuring smooth coolant circulation.

• Direct replacement for OEM part number 3114666

• High-strength rubber construction for excellent pressure resistance

• Maintains reliable coolant return flow to the engine

• Formed design ensures secure fitment and stable hose alignment

• Engineered to reduce wear from vibration and continuous operation

Used in the cooling return line of the ZAXIS70-3G to deliver chilled coolant from the radiator back into the engine block.

We provide model confirmation, installation instructions, and ongoing technical support to ensure optimal performance.

Individually protected with durable packaging and shipped via reliable carriers with tracking available.

1. What is the function of the YNF17343 lower radiator hose?
It returns cooled coolant from the radiator back to the engine, completing the cooling cycle.

2. Which machine is this hose compatible with?
It is designed for the Hitachi ZAXIS70-3G excavator and matches OEM part number 3114666.

3. What material is the hose made from?
It is manufactured from reinforced, heat-resistant rubber suitable for heavy-duty cooling systems.

4. Is this hose a direct-fit replacement?
Yes. The molded shape ensures proper alignment and easy installation without modifications.

5. Does it withstand high operating temperatures?
Absolutely. The hose is built to perform reliably under continuous temperature fluctuations typical of excavator operations.

6. Can this hose help prevent overheating issues?
A properly functioning lower hose ensures steady coolant return flow, contributing to stable engine temperatures.

7. How do I know if my original hose needs replacement?
Cracks, swelling, soft spots, or coolant leakage are clear signs that replacement is necessary.

8. Can it be used on other Hitachi models?
This specific hose is designed for ZAXIS70-3G. For other models, please confirm compatibility with us.