The 4653040 seal kit is made for the boom cylinder on the Hitachi ZX500LC-3 excavator. Cross-reference numbers listed with it: 4637751 and 4637752.
What the seals are made of
- PU copes with pressure spikes and wear
- Viton tolerates heat
- NBR resists oil
The boom cylinder raises and lowers the boom, so its seals work against the weight of the whole front end.
How do I check that kit 4653040 fits my machine?
Compare the model (ZX500LC-3), the part number of your cylinder and the machine serial number with this listing. If one of them is off, ask before you order.
What are the seals made from?
The compounds are polyurethane (PU), Viton and NBR. PU copes with pressure spikes, Viton with heat, and NBR is the usual oil-resistant rubber.
Which models is it listed for?
The Hitachi ZX500LC-3.
Before buying, compare the model (ZX500LC-3), the part number of your cylinder and the serial number with what is listed here.
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