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Excavator Filters
Fuel-water separator cartridge identified by Donaldson number P502422. The manufacturer product record confirms the water-separator cartridge type; its published specification sheet lists 94.5 mm outside diameter, 26 mm inside diameter, 141.5 mm length, cellulose media, 4-micron Beta-75 efficiency and Hitachi 4642641 as the primary OEM application number. Model-level records support ZX200-3 with 4HK1 and ZX330-3 with 6HK1, subject to serial-prefix and housing verification.
Fitment status: Verified · Checked 2026-07-28Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Donaldson fuel-water separator cartridge | P502422 |
| Primary OEM Application Number | Hitachi fuel-filter reference | 4642641 |
| Manufacturer Cross-Reference | Isuzu reference published for the same application | 8-98008-840-0 |
| Catalog Cross-Reference - Verify Dimensions | Fleetguard catalog candidate | FF5795 |
Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.
Product fitment guide
Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.
Part identification
Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.
Product summary
Before ordering
Machine fitment
5 model references
Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.
Quick fitment answers
Recorded compatible model references include Excavator family: Hitachi ZX110-3 / ZX120-3 / ZX200-3, Excavator family: Hitachi ZX210-3 / ZX240-3 / ZX250-3, Excavator family: Hitachi ZX330-3 / ZX350-3, Engine family: Isuzu 4HK1 / 6HK1, Fitment limitation: Confirm P502422 or 4642641, dimensions, O-rings, housing and machine serial prefix. Confirm the complete part number and machine serial range before ordering.
Manufacturer number: 8-98008-840-0.
Match the complete part number on the original component. Compare connectors, mounting points and visible dimensions with the product photos. Confirm the exact machine or engine model and serial range before ordering. Send clear photos of the original unit and connector layout when requesting a quote.
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