Excavator Engine Parts

6207-21-2120 95mm Cylinder Liner for Komatsu 4D95 6D95

Q: What numbers are documented for 6207-21-2120?

Primary Komatsu Part Number: 6207-21-2120. Published Liner Family Variant: 6207-21-2110. Published Liner Family Variant: 6207-21-2121. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 6207-21-2120 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.

6207-21-2120 95mm Cylinder Liner for Komatsu 4D95 6D95, OEM/reference 6207-21-2120, 95mm Fully Finished Flanged Cylinder Liner, product view 1

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OEM / reference6207-21-2120

Specification95mm Fully Finished Flanged Cylinder Liner

Catalog ID51051573

Product Type: Flanged Cylinder Liner
Product Brand: EexcavaStart
Nominal Bore: 95 mm
Outside Diameter: 98 mm
Overall Length: 180 mm
Flange Diameter: 104 mm
Flange Thickness: 4 mm
Finish: Fully finished and phosphated
Electrical Rating: Not applicable
Condition: New replacement part

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Komatsu Part Number	Fully finished flanged cylinder liner	6207-21-2120
Published Liner Family Variant	Different finish/revision; interchange not asserted	6207-21-2110
Published Liner Family Variant	Different finish/revision; interchange not asserted	6207-21-2121

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

6207-21-2120

Other documented relationship

6207-21-2110
6207-21-2121

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

95mm Fully Finished Flanged Cylinder Liner

Category: Excavator Engine Parts
Catalog ID: 51051573
Photo views: 2

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

2 model references

Published engine families: Komatsu 4D95 / 6D95 / S6D95
Published excavator examples: Komatsu PC60-6 / PC120-3

Fitment / evidence notes

Fitment limitation: Confirm engine suffix, liner finish 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 6207-21-2120

Which machines use 6207-21-2120?

Recorded compatible model references include Published engine families: Komatsu 4D95 / 6D95 / S6D95, Published excavator examples: Komatsu PC60-6 / PC120-3. Recorded fitment/evidence notes: Fitment limitation: Confirm engine suffix, liner finish and serial range. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 6207-21-2120?

No alternate number is listed for 6207-21-2120. Send the original nameplate for an alternate-number check.

How do I confirm 6207-21-2120 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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