CAT 326-1643 Fuel Water Separator Filter for Excavators

OEM / reference326-1643 · CAT

SpecificationFuel Water Separator Filter

Catalog ID53450656

CAT 326-1643 Fuel Water Separator Filter for Excavators. Reference numbers: 326-1643, CA1R1809, 1R-1809, 1R1809, CA3383540, 338-3540, 3383540, CA3283655. Documented equipment or engine fitment includes CAT, Caterpillar CAT Dozer: D6R XL III, Caterpillar CAT Dozer: 1X Oil Filter, Caterpillar CAT Dozer. Compare the complete part number, electrical rating, connector or mounting configuration, and machine serial range before ordering.

OEM: 326-1643
Feature: Fuel Water Separator Filter
Model Number: 326-1643
Engine Model: CAT

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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

326-1643
CA1R1809
1R-1809
1R1809
CA3383540
338-3540
3383540
CA3283655
328-3655
3283655
CA3261644
326-1644
3261644
CA3261643
3261643
CA1R1808
1R-1808
1R1808
CA6i2501
6i-2501
6i2501
CA6I2502
6I-2502
6I2502

Search with or without hyphens. Match the complete number on the original part.

Product summary

Fuel Water Separator Filter

Category: Excavator Filters
Catalog ID: 53450656
Photo views: 4

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

4 model references

CAT
Caterpillar CAT Dozer: D6R XL III
Caterpillar CAT Dozer: 1X Oil Filter
Caterpillar CAT Dozer

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 326-1643

Which machines use 326-1643?

Recorded compatible model references include CAT, Caterpillar CAT Dozer: D6R XL III, Caterpillar CAT Dozer: 1X Oil Filter, Caterpillar CAT Dozer. Confirm the complete part number and machine serial range before ordering.

What part numbers cross-reference with 326-1643?

The recorded reference family includes 326-1643, CA1R1809, 1R-1809, 1R1809, CA3383540, 338-3540, 3383540, CA3283655, 328-3655, 3283655, CA3261644, 326-1644 and additional numbers listed above.

How do I confirm 326-1643 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.

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