Excavator Engine Parts

6150-31-6220 Idler Gear Bushing for Komatsu 6D125 S6D125 SAA6D125E

Q: What numbers are documented for 6150-31-6220?

Primary Equipment Part Number: 6150-31-6220. Normalized Search Alias: 6150316220. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 6150-31-6220 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.

6150-31-6220 Idler Gear Bushing for Komatsu 6D125 S6D125 SAA6D125E, OEM/reference 6150-31-6220, Idler Gear Bushing, product view 1

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OEM / reference6150-31-6220

SpecificationIdler Gear Bushing

Catalog ID81641673

Product Type: Idler Gear Bushing
Product Brand: EexcavaStart
Installation Area: Engine idler-gear assembly
Compatible Engine Family: Komatsu 6D125 / S6D125 / SAA6D125E
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 Equipment Part Number	Komatsu idler-gear bushing	6150-31-6220
Normalized Search Alias	Formatting-only alias; not a separate interchange	6150316220

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

6150-31-6220

Formatting alias

6150316220

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

Idler Gear Bushing

Category: Excavator Engine Parts
Catalog ID: 81641673
Photo views: 3

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

3 model references

Engine family: Komatsu 6D125 / S6D125
Engine family: Komatsu SAA6D125E
Recorded engine family: Komatsu SA6D170E / SAA6D170E

Fitment / evidence notes

Fitment limitation: Confirm OD, ID, width, oil-hole/groove arrangement and the exact mating idler-gear assembly

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 6150-31-6220

Which machines use 6150-31-6220?

Recorded compatible model references include Engine family: Komatsu 6D125 / S6D125, Engine family: Komatsu SAA6D125E, Recorded engine family: Komatsu SA6D170E / SAA6D170E. Recorded fitment/evidence notes: Fitment limitation: Confirm OD, ID, width, oil-hole/groove arrangement and the exact mating idler-gear assembly. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 6150-31-6220?

Formatting aliases for the same number: 6150316220.

How do I confirm 6150-31-6220 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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