Excavator Filters

421-60-35170 Hydraulic Tank Breather for Komatsu Machines

Q: What numbers are documented for 421-60-35170?

Primary Komatsu Number: 421-60-35170. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 421-60-35170 before ordering?

Match the complete part number, compare the connector or mounting arrangement with the product photos, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

421-60-35170 Hydraulic Tank Breather for Komatsu Machines, OEM/reference 421-60-35170, Hydraulic Tank Breather Element, product view 1

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OEM / reference421-60-35170

SpecificationHydraulic Tank Breather Element

Catalog ID53474272

421-60-35170 is a compact breather element cataloged under Komatsu hydraulic and power-line filters. The official product page publishes dimensions of 5.5 x 5.5 x 3.5 cm and states that it suits various Komatsu machines. Official service kits identify it as a hydraulic-tank breather on HB335LC-1 and as a breather service item on HB365LC-3. The old PC200-8-only title was not independently supported and has been removed. Confirm the installation location, cap or housing, machine model and serial range before ordering.

Product Type: Hydraulic tank breather element
Published Dimensions: 5.5 x 5.5 x 3.5 cm
System: Hydraulic / power-line breather service

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Part-number relationships

Relationship	Reference family	Number
Primary Komatsu Number	Official breather element	421-60-35170

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

421-60-35170

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

Product summary

Hydraulic Tank Breather Element

Category: Excavator Filters
Catalog ID: 53474272
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

4 model references

Confirmed service application: Komatsu HB335LC-1
Confirmed service application: Komatsu HB365LC-3
Equipment family: Various Komatsu machines
Fitment limitation: Confirm installation location, housing and serial range

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 421-60-35170

Which machines use 421-60-35170?

Recorded compatible model references include Confirmed service application: Komatsu HB335LC-1, Confirmed service application: Komatsu HB365LC-3, Equipment family: Various Komatsu machines, Fitment limitation: Confirm installation location, housing and serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 421-60-35170?

No alternate number is listed for 421-60-35170. Send the original nameplate for an alternate-number check.

How do I confirm 421-60-35170 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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