Excavator Engine Parts

6743-81-8310 Engine Wiring Harness for Komatsu PC300-7 PC350-7 PC360-7

Q: What numbers are documented for 6743-81-8310?

Primary Equipment Part Number: 6743-81-8310. Formatted Alias: 6743818310. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 6743-81-8310 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.

6743-81-8310 Engine Wiring Harness for Komatsu PC300-7 PC350-7 PC360-7, OEM/reference 6743-81-8310, Excavator Engine Wiring Harness, product view 1

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OEM / reference6743-81-8310

SpecificationExcavator Engine Wiring Harness

Catalog ID65614411

Wiring harness identified by part number 6743-81-8310. Komatsu's official product page confirms the exact number and product type. Independent exact-number application records support PC300-7, PC350-7 and PC360-7 excavators. Confirm connector keying, branch lengths, engine suffix and machine serial prefix before ordering.

Product Type: Engine Wiring Harness
Product Brand: EexcavaStart
Supply Form: Complete photographed harness assembly

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Part-number relationships

Relationship	Reference family	Number
Primary Equipment Part Number	Komatsu wiring harness	6743-81-8310
Formatted Alias	Unhyphenated search format	6743818310

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

6743-81-8310

Formatting alias

6743818310

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

Product summary

Excavator Engine Wiring Harness

Category: Excavator Engine Parts
Catalog ID: 65614411
Photo views: 7

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

Excavator family: PC300-7 / PC350-7 / PC360-7
Fitment limitation: Confirm 6743-81-8310, engine suffix, connector keying, branch lengths and machine serial prefix

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 6743-81-8310

Which machines use 6743-81-8310?

Recorded compatible model references include Excavator family: PC300-7 / PC350-7 / PC360-7, Fitment limitation: Confirm 6743-81-8310, engine suffix, connector keying, branch lengths and machine serial prefix. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 6743-81-8310?

Formatting aliases for the same number: 6743818310.

How do I confirm 6743-81-8310 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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