Excavator Engine Parts

3288757 / 3911588 8-Rib V-Belt for Cummins 4B3.9 6B5.9 ISB

Q: What numbers are documented for 3288757?

Primary Cummins Part Number: 3288757. Published Prior / Replacement Number: 3911588. Published Cross-Reference: 3908037. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 3288757 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.

3288757 / 3911588 8-Rib V-Belt for Cummins 4B3.9 6B5.9 ISB, OEM/reference 3288757, 8-Rib V-Belt, product view 1

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OEM / reference3288757

Specification8-Rib V-Belt

Catalog ID51049508

Product Type: V-Ribbed Engine Belt
Product Brand: EexcavaStart
Rib Count: 8
Dimensional Verification: Confirm printed code; published nominal lengths vary
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 Cummins Part Number	Eight-rib accessory-drive belt	3288757
Published Prior / Replacement Number	Same B-series belt family	3911588
Cross-reference (fitment check required)	Same B-series belt family	3908037

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

3288757

Cross-reference (fitment check required)

3908037

Other documented relationship

3911588

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

8-Rib V-Belt

Category: Excavator Engine Parts
Catalog ID: 51049508
Photo views: 2

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

1 model reference

Published engine families: Cummins 4B3.9 / 6B5.9 / ISB / ISB3.9

Fitment / evidence notes

Fitment limitation: Confirm engine serial, accessory drive and printed code

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 3288757

Which machines use 3288757?

Recorded compatible model references include Published engine families: Cummins 4B3.9 / 6B5.9 / ISB / ISB3.9. Recorded fitment/evidence notes: Fitment limitation: Confirm engine serial, accessory drive and printed code. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3288757?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm 3288757 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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