Excavator Engine Parts

6150-42-4210 Exhaust Valve for Komatsu 6D125, S6D125, SA6D125 and SAA6D125 Engines

Q: What numbers are documented for 6150-42-4210?

Primary Komatsu Part Number: 6150-42-4210. Formatted Alias: 6150424210. Paired Intake Valve: 6150-42-4110. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 6150-42-4210 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.

6150-42-4210 Exhaust Valve for Komatsu 6D125, S6D125, SA6D125 and SAA6D125 Engines, OEM/reference 6150-42-4210, Engine Exhaust Valve, product view 1

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OEM / reference6150-42-4210

SpecificationEngine Exhaust Valve

Catalog ID72867271

Product Type: Exhaust valve
Published Valve Head Diameter: 44.0 mm
Published Stem Diameter: 9.0 mm
Published Overall Length: 169.5 mm
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	Official engine-valve record	6150-42-4210
Formatted Alias	Same number without separators	6150424210
Paired Intake Valve	Related cylinder-head valve; not interchangeable	6150-42-4110

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

6150-42-4210

Formatting alias

6150424210

Other documented relationship

6150-42-4110

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

Engine Exhaust Valve

Category: Excavator Engine Parts
Catalog ID: 72867271
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

3 model references

Published Engine Families: Komatsu 6D125, S6D125E, SA6D125E and SAA6D125E variants
Excavator Catalog Coverage: PC400-5, PC400-6 and selected PC400/PC450 family configurations
Additional Equipment Coverage: Selected D53, D65, D70, D85 and HM250 configurations using the specified 6D125-family cylinder head

Fitment / evidence notes

Fitment Limitation: Confirm 6150-42-4210, engine suffix, machine serial range, head diameter, stem diameter and valve length

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 6150-42-4210

Which machines use 6150-42-4210?

Recorded compatible model references include Published Engine Families: Komatsu 6D125, S6D125E, SA6D125E and SAA6D125E variants, Excavator Catalog Coverage: PC400-5, PC400-6 and selected PC400/PC450 family configurations, Additional Equipment Coverage: Selected D53, D65, D70, D85 and HM250 configurations using the specified 6D125-family cylinder head. Recorded fitment/evidence notes: Fitment Limitation: Confirm 6150-42-4210, engine suffix, machine serial range, head diameter, stem diameter and valve length. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 6150-42-4210?

Formatting aliases for the same number: 6150424210.

How do I confirm 6150-42-4210 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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