Excavator Engine Parts

421-02-31114 Exhaust Pipe for Komatsu WA380 WA470 WA480 Loaders

Q: What numbers are documented for 421-02-31114?

Primary Equipment Part Number: 421-02-31114. Formatted Alias: 4210231114. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 421-02-31114 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.

421-02-31114 Exhaust Pipe for Komatsu WA380 WA470 WA480 Loaders, OEM/reference 421-02-31114, Cab Exhaust Pipe, product view 1

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OEM / reference421-02-31114

SpecificationCab Exhaust Pipe

Catalog ID85968446

421-02-31114 is a Komatsu exhaust pipe used on WA380, WA400, WA430, WA450, WA470 and WA480 loader families, with additional GD755/GH320 catalog applications. Confirm pipe bends, flange, heat shielding and machine serial before ordering.

Product Type: Exhaust pipe
System: Cab/guard-related exhaust routing
Dimensions and Flange: Confirm original pipe

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

Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Komatsu reference	421-02-31114
Formatted Alias	Same number without separators	4210231114

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

421-02-31114

Formatting alias

4210231114

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

Product summary

Cab Exhaust Pipe

Category: Excavator Engine Parts
Catalog ID: 85968446
Photo views: 6

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

Machines: Komatsu WA380 / WA400 / WA430 / WA450 / WA470 / WA480; GD755 / GH320 catalog family
Owned machine lead: WA470-3
Fitment limitation: Confirm bends, flange, shielding and serial

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 421-02-31114

Which machines use 421-02-31114?

Recorded compatible model references include Machines: Komatsu WA380 / WA400 / WA430 / WA450 / WA470 / WA480; GD755 / GH320 catalog family, Owned machine lead: WA470-3, Fitment limitation: Confirm bends, flange, shielding and serial. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 421-02-31114?

Formatting aliases for the same number: 4210231114.

How do I confirm 421-02-31114 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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