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Excavator Engine Parts

5-12371207-3 Crankshaft Damper Pulley for Isuzu 6BG1 6BG1T

Name: 5-12371207-3 Crankshaft Damper Pulley for Isuzu 6BG1 6BG1T
Brand: EexcavaStart
SKU: 5-12371207-3

OEM / reference5-12371207-3

SpecificationCrankshaft Vibration-Damper Pulley

Catalog ID87368630

Crankshaft vibration-damper pulley identified by Isuzu part number 5-12371207-3, numeric form 5123712073, for 6BG1 and 6BG1T diesel-engine applications. Exact-number records also place this pulley in selected 6BD1 and Hitachi EX200-family parts catalogs. Confirm pulley diameter, belt-groove count and width, hub bore, keyway and engine/crankshaft suffix before ordering.

Fitment status: Verified · Checked 2026-07-28

Product Type: Crankshaft Vibration-Damper Pulley
Product Brand: EexcavaStart
Compatible Engine Family: Isuzu 6BG1 / 6BG1T
Recorded Engine Family: Isuzu 6BD1
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Part Number	Isuzu crankshaft damper pulley	5-12371207-3
Normalized Numeric Alias	Same Isuzu number without separators	5123712073
Formatted Catalog Alias	Same numeric reference in catalog grouping	512371-2073

Evidence record

Source: Exact-reference evidence retained for internal audit
Evidence grade: multi-source-supported
Checked: 2026-07-28

Source URLs, catalog files and local evidence paths are stored in the protected product audit record and are not public outbound links.

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

5-12371207-3

Formatting alias

5123712073
512371-2073

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

Product summary

Crankshaft Vibration-Damper Pulley

Category: Excavator Engine Parts
Catalog ID: 87368630
Photo views: 5

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

4 model references

Engine family: Isuzu 6BG1 / 6BG1T
Recorded engine family: Isuzu 6BD1
Recorded equipment family: Hitachi EX200 series
Fitment limitation: Confirm diameter, belt-groove count and width, hub bore, keyway and engine/crankshaft suffix

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 5-12371207-3

Which machines use 5-12371207-3?

Recorded compatible model references include Engine family: Isuzu 6BG1 / 6BG1T, Recorded engine family: Isuzu 6BD1, Recorded equipment family: Hitachi EX200 series, Fitment limitation: Confirm diameter, belt-groove count and width, hub bore, keyway and engine/crankshaft suffix. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 5-12371207-3?

Formatting aliases for the same number: 5123712073, 512371-2073.

How do I confirm 5-12371207-3 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 recovered references from the same system.

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