Excavator Engine Parts

3913433 Fan Support for Cummins ISB, ISC, ISL, QSB, QSC and QSL Engines

Name: 3913433 Fan Support for Cummins ISB, ISC, ISL, QSB, QSC and QSL Engines
Brand: EexcavaStart
SKU: 3913433

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6 product photos · Swipe on mobile, or hover and select a thumbnail.

OEM / reference3913433

SpecificationEngine Fan Support

Catalog ID68805492

3913433 is listed in Cummins Technical Service Bulletin TSB130052 as a standard-duty fan support used in covered ISB/C/L and QSB/C/L MidRange engine applications. The bulletin specifies 5260996 as the corresponding heavy-duty tapered-bearing bolt-on replacement when the standard support has failed. The owned gallery contains six consistent views of one fan-support assembly, with 3913433 visible on the casting and product label. Confirm the engine family, control-module platform, fan drive geometry, mounting pattern, pulley interface and engine serial number before ordering.

Product Type: Engine fan support
Published Duty Class: Standard duty
Published Upgrade: 5260996 heavy-duty tapered-bearing fan support
Visible Mounting: Four-hole base and four-threaded-hole front flange
Condition: New replacement part

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Part-number relationships

Relationship	Reference family	Number
Primary Cummins Part Number	Standard-duty fan support listed in TSB130052	3913433
Direct Heavy-Duty Service Replacement	Bolt-on tapered-bearing replacement specified by TSB130052	5260996

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

3913433

Direct interchange

5260996

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

Product summary

Engine Fan Support

Category: Excavator Engine Parts
Catalog ID: 68805492
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

Published Engine Scope: Cummins ISB/C/L and QSB/C/L MidRange applications covered by TSB130052
Engine Families: ISB, ISC, ISL, QSB, QSC and QSL; verify CM platform and serial range
Fitment Limitation: Confirm 3913433, engine family, CM platform, fan-drive geometry, mounting pattern and serial number

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 3913433

Which machines use 3913433?

Recorded compatible model references include Published Engine Scope: Cummins ISB/C/L and QSB/C/L MidRange applications covered by TSB130052, Engine Families: ISB, ISC, ISL, QSB, QSC and QSL; verify CM platform and serial range, Fitment Limitation: Confirm 3913433, engine family, CM platform, fan-drive geometry, mounting pattern and serial number. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 3913433?

Documented direct interchanges: 5260996.

How do I confirm 3913433 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.

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