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Excavator Filters

523-4987 Fuel-Water Separator Element for Cat 320 323 330

523-4987 Fuel-Water Separator Element for Cat 320 323 330, OEM/reference 523-4987, Fuel-Water Separator Filter Element, product view 1
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OEM / reference523-4987
SpecificationFuel-Water Separator Filter Element
Catalog ID88774127

Fuel-water separator element identified by Cat number 523-4987, formatted 5234987. The Cat 320/320 GC maintenance guide records it as the primary fuel element for defined later serial ranges, paired in the service schedule with secondary element 509-5694. Independent filter catalogs identify SN 40858 and SK 48941 as cross-reference candidates; verify dimensions and sealing details before treating either as interchangeable. Published application records include Cat 320, 323, 325 and 330 excavator families.

Product Type
Fuel-Water Separator Filter Element
Product Brand
EexcavaStart
Published Height
Approximately 258 mm; verify
Published Outer Diameter
Approximately 103 mm; verify
Seal / End-Cap Profile
Confirm against removed element
Supply Condition
Confirm with quotation
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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Part-number relationships

RelationshipReference familyNumber
Primary Manufacturer Part NumberCat fuel-water separator element523-4987
Formatted AliasSame number without separator5234987
Catalog Cross-Reference - Verify DimensionsHIFI FILTER catalog candidateSN 40858
Catalog Cross-Reference - Verify DimensionsSF FILTER catalog candidateSK 48941

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use the original photos and the checklist before ordering.

Part identification

Reference numbers

Primary number
  • 523-4987
Formatting alias
  • 5234987
Other documented relationship
  • SN 40858
  • SK 48941

Formatting aliases are the same number written differently. Related assemblies and remanufactured numbers are not presented as direct interchanges.

Product summary

Fuel-Water Separator Filter Element

Category
Excavator Filters
Catalog ID
88774127
Photo views
5

Before ordering

Confirm these details

  • 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.

Machine fitment

Compatible model references

5 model references

  • Excavator family: Cat 320 / 320 GC
  • Excavator family: Cat 323
  • Excavator family: Cat 325
  • Excavator family: Cat 330 / 330 GC
  • Fitment limitation: Confirm part number, overall dimensions, end caps, seal and machine serial prefix

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

Common questions about 523-4987

Which machines use 523-4987?

Recorded compatible model references include Excavator family: Cat 320 / 320 GC, Excavator family: Cat 323, Excavator family: Cat 325, Excavator family: Cat 330 / 330 GC, Fitment limitation: Confirm part number, overall dimensions, end caps, seal and machine serial prefix. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 523-4987?

Formatting aliases for the same number: 5234987.

How do I confirm 523-4987 before ordering?

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.

Continue comparing verified references from the same system.

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