What does 4649752 fit?
4649752 is an arm cylinder seal kit for the Hitachi ZX270-3 excavator, listed with OEM reference number 4649752. Cross-reference numbers listed with it: 4628630.
Part number: 4649752
Machine: Hitachi ZX270-3
Application: Arm cylinder
Cross-reference: 4628630
Seal materials: PU, Viton and NBR rubber
The arm cylinder pulls the stick in and pushes it out. That crowd motion is what you dig with, and the seals feel every stroke.
The compounds are polyurethane (PU), Viton and NBR. PU copes with pressure spikes, Viton with heat, and NBR is the usual oil-resistant rubber.
Before buying, compare the model (ZX270-3), the part number of your cylinder and the serial number with what is listed here.
Not sure about the match? Message us the machine model and serial number before ordering.
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