4631062 Arm Cylinder Seal Kit for Hitachi ZX230LC (4613898 4630579)

The 4631062 seal kit is made for the arm cylinder on the Hitachi ZX230LC excavator. Cross-reference numbers listed with it: 4613898 and 4630579.

Seal compounds

• PU copes with pressure spikes and wear
• Viton tolerates heat
• NBR resists oil

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.

Three checks before ordering:

1. Your machine is a Hitachi ZX230LC.
2. The part number of your cylinder lines up with 4631062.
3. The serial number agrees, if the part number is unclear.

• Item no.: 4631062
• Model: Hitachi ZX230LC
• Position: Arm cylinder
• Related numbers: 4613898 and 4630579
• Compounds: PU, Viton and NBR rubber