What is 4612271?
4612271 is a hydraulic cylinder seal kit for the Hitachi ZX270 excavator, listed with OEM reference number 4612271. Cross-reference numbers listed with it: 4610802.
OEM reference 4612271
Fits Hitachi ZX270
Used on Hydraulic cylinder
Also listed as 4610802
Made from PU, Viton and NBR rubber
Match the part number of your cylinder with 4612271 before ordering, and use the machine serial number if the part number is unreadable. The listing does not say whether this is the boom, arm or bucket cylinder, so check 4610802 against your cylinder first.
Rod seals, piston seals and wipers are what let a hydraulic cylinder hold pressure and keep dirt out of the oil.
The compounds are polyurethane (PU), Viton and NBR. PU copes with pressure spikes, Viton with heat, and NBR is the usual oil-resistant rubber.
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