4640107 seal kit apply to ZX330 ZX350LC digger boom cylinder

What’s Hitachi 4640107 seal kit?

The 4640107 boom cylinder seal kit usually made of a soft elastic material.It is wrapped around a mechanical shaft or part.
This gasket kit is widely used in industrial and mechanical equipment.
It can effectively protect mechanical parts from dust,moisture and other contaminants.
Popular Hitachi excavator model no.: ZX17U-5,ZX26U-5,ZX33U-5,ZX50U-5,ZX75US-5,ZX135US-6 etc.
Hitachi service kits are applied to the excavator arm,boom,bucket hydraulic cylinder,and swing motor,center joint etc.

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