Excavator Filters
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423-8524 is documented by Cat as an advanced-efficiency fuel/water separator. The official application guide assigns this radial-seal separator to medium-engine arrangements including C15, C16 and 3408, and official equipment catalogs list excavator and heavy-equipment applications. Confirm the complete number, base, seal type, bowl/drain arrangement, engine arrangement and machine serial range.
Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.
| Relationship | Reference family | Number |
|---|---|---|
| Primary Manufacturer Part Number | Official Cat separator reference | 423-8524 |
| Same-number Formatting Alias | Search alias only | 4238524 |
| Official Advanced-Efficiency Family | Same base family; grade-specific selection required | 326-1643 |
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
3 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 Official medium-engine context: Cat C15 / C16 / 3408, Representative equipment families: 320/325/330 excavators and related Cat heavy equipment; verify serial range, Fitment limitation: Confirm number, base, seal, bowl/drain, engine arrangement and serial range. Confirm the complete part number and machine serial range before ordering.
Formatting aliases for the same number: 4238524.
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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