71470391 Lift Cylinder Seal Kit for Fiat-Hitachi EX330 Excavator

71470391 is an aftermarket hydraulic seal kit for the lift cylinder of the Fiat-Hitachi EX330 excavator. Independent catalogs describe it as a 105 mm rod kit including wiper, U-cup, buffer seal and backup seals (O-ringsandMore; also listed by AztecHydraulics, FASeals and other suppliers).
The lift cylinder carries the main lifting load of the machine; worn seals appear as external leakage, lift drift, and loss of lifting power. Confirm the rod diameter (≈ 105 mm) and the cylinder position before ordering. Exact material grades are confirmed per production batch — request the material data sheet with your order.
Verified Specs
| Parameter | Value / Verification |
| Part Number | 71470391 — O-ringsandMore, AztecHydraulics, FASeals, Amazon |
| Brand / Machine | Fiat-Hitachi EX330 excavator — Multiple suppliers |
| Cylinder Application | Lift cylinder — Multiple suppliers |
| Rod Diameter | 105 mm — O-ringsandMore |
| Typical Contents | Wiper, U-cup, buffer seal, backup seals (confirm full list) — O-ringsandMore |
| Condition | New, aftermarket replacement — Multiple suppliers |
Confirmed / Reference Fitment
•Confirmed: Fiat-Hitachi EX330 — lift cylinder (O-ringsandMore, AztecHydraulics, FASeals, Amazon, eBay).
Fitment Checklist
1.Machine model: Fiat-Hitachi EX330 (confirm the full model designation).
2.Cylinder position: Lift cylinder (not arm or bucket).
3.Measure the rod: ≈ 105 mm.
4.Note the machine S/N and send it with your order for a fitment double-check.
When to Inspect / Replace
•Oil film or drips at the lift cylinder gland.
•Lift drift or slow lifting under load.
•Scored rod surface or contaminated oil.
Check rod straightness and pin bushings during rebuild — worn components will shorten new seal life.
Wholesale & MOQ
Factory-direct supply for distributors, repair shops and fleet operators. Wholesale MOQ: 5 kits. Email [email protected] with your quantity, shipping port and destination for a same-day quote. Custom packaging and private labeling available.
FAQ
Is the EX330 the same as the Hitachi EX330? — The EX330 was built under the Fiat-Hitachi joint line; aftermarket seal kits reference it as Fiat-Hitachi EX330.
Which seals are included? — A typical kit includes wiper, U-cup, buffer seal and backup seals (per O-ringsandMore). Confirm the full contents with our team when ordering.
Is this kit only for the lift cylinder? — Yes, per third-party listings. Other EX330 cylinders use different kits — send your S/N for the correct numbers.
Fiat-Hitachi EX330 seal kit
71470391
EX330 lift cylinder seal kit
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